JPH06107686A - Movel peptide or its salt - Google Patents

Movel peptide or its salt

Info

Publication number
JPH06107686A
JPH06107686A JP4283981A JP28398192A JPH06107686A JP H06107686 A JPH06107686 A JP H06107686A JP 4283981 A JP4283981 A JP 4283981A JP 28398192 A JP28398192 A JP 28398192A JP H06107686 A JPH06107686 A JP H06107686A
Authority
JP
Japan
Prior art keywords
leu
boc
val
arg
peptide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4283981A
Other languages
Japanese (ja)
Inventor
Masaaki Yoshikawa
正明 吉川
Kazuhisa Kashimoto
和久 樫本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ito Ham KK
Itoham Foods Inc
Original Assignee
Ito Ham KK
Itoham Foods Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ito Ham KK, Itoham Foods Inc filed Critical Ito Ham KK
Priority to JP4283981A priority Critical patent/JPH06107686A/en
Publication of JPH06107686A publication Critical patent/JPH06107686A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

PURPOSE:To provide a peptide having various physiological activities such as the release of an ileal contraction action and the contraction action of canine mesenteric arteria with prostaglandin F2alpha, an angiotensin transferase-inhibiting action, and a vasodepressor activity. CONSTITUTION:The peptide of formula: H-(A)-Tyr-(B)-Val-(C)-(D)-Leu-Leu-Arg- OH [(A) is Arg-His-Pro-Glu, His-Pro-Glu, Arg-His-Pro-Asp, His-Pro-Asp, or single bond; (B) is Ala or Ser; (C) is Val or Ser; (D) is Val or Leu] or its salt, which are used as medicines.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はモルモット回腸収縮作用
はイヌ腸間膜動脈のプロスタグランジンF2αによる収
縮を解除し、更にアンジオテンシン転換酵素阻害活性及
び血圧降下作用を有する新規なペプチドに関する。本発
明のペプチドは血圧降下剤等の医薬として有用である。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel peptide having a guinea pig ileal contractile action that cancels the contraction of canine mesenteric artery by prostaglandin F 2 α, and further has angiotensin converting enzyme inhibitory activity and hypotensive action. The peptide of the present invention is useful as a medicine such as an antihypertensive agent.

【0002】[0002]

【従来の技術】食品中に含まれる蛋白質は栄養効果のみ
ならず種々の生理活性を有することが知られている。例
えば牛乳蛋白質であるガゼインを酵素分解に付すること
により、血圧効果作用を有するペプチドが得られること
が特公昭60−23085号公報,特公昭60−230
86号公報及び特公昭60−23087号公報等に開示
されている。最近種々の蛋白質を酵素分解して得られる
ペプチドが種々の生理活性を有することが確認されてお
り、食品由来の蛋白質のアミノ酸配列には、潜在的に生
理機能を持つことが推定されている。本発明者らは、牛
血清アルブミン由来のペプチドを研究する過程におい
て、血清アルブミンのアミノ酸配列に注目し、このアミ
ノ酸配列の中から生理活性を持つ新規なペプチドを見出
し、本発明を完成するに至った。
2. Description of the Related Art It is known that proteins contained in foods have various physiological activities as well as a nutritional effect. For example, by subjecting casein, which is a milk protein, to enzymatic degradation, a peptide having a blood pressure effect can be obtained, which is disclosed in JP-B-60-23085 and JP-B-60-230.
No. 86 and Japanese Patent Publication No. 60-23087. It has recently been confirmed that peptides obtained by enzymatically decomposing various proteins have various physiological activities, and it is presumed that the amino acid sequences of food-derived proteins have potentially physiological functions. In the process of studying a peptide derived from bovine serum albumin, the present inventors focused on the amino acid sequence of serum albumin, found a novel peptide having physiological activity from this amino acid sequence, and completed the present invention. It was

【0003】[0003]

【発明が解決しようとする課題】本発明は、血清アルブ
ミのアミノ酸配列に由来する新規なペプチドであり、回
腸収縮作用やイヌ腸間膜動脈のプロスタグランジンF2
αによる収縮を解除し、アンジオテンシン転換酵素阻害
活性,血圧降下作用等の生理活性を有する物質の提供を
目的としたものである。
DISCLOSURE OF THE INVENTION The present invention is a novel peptide derived from the amino acid sequence of serum albumin, which has ileal contractile action and canine mesenteric prostaglandin F 2
The purpose of the present invention is to provide a substance which releases contraction by α and has physiological activity such as angiotensin converting enzyme inhibitory activity and blood pressure lowering effect.

【0004】[0004]

【課題を解決するための手段】本発明の新規なペプチド
は、牛血清アルブミンの一次構造中に存在し、第337〜3
48 残基及び341 〜348 残基に相当するペプチドであ
り、又、ヒト血清アルブミンの第337 〜348 残基及び34
1 〜348 残基に相当するペプチドであり、更にブタ及び
ラット血清アルブミンの第337 〜348 残基及び341 〜34
8 残基に相当するペプチドに相当する。牛血清アルブミ
ン由来のペプチドはH-Arg-His-Pro-Glu-Tyr-Ala-Val-Se
r-Val-Leu-Leu-Arg-OH及びH-Tyr-Ala-Val-Ser-Val-Leu-
Leu-Arg-OHの配列を有し、ヒト血清由来のペプチドはH-
Arg-His-Pro-Asp-Tyr-Ser-Val-Val-Leu-Leu-Leu-Arg-OH
及びH-Tyr-Ser-Val-Ser-Leu-Leu-Leu-Arg-OHブタ及びラ
ット由来のペプチドはH-Arg-His-Pro-Asp-Tyr-Ser-Val-
Ser-Leu-Leu-Leu-Arg-OH及びH-Tyr-Ser-Val-Ser-Leu-Le
u-Leu-Arg-OHの配列を有する。本明細書において、アミ
ノ酸,ペプチド,保護基,その他に関して略号で表示す
る場合は、IUB ,IUPAC の規定もしくは当該分野におけ
る慣用記号に従うものとし、その例を次に挙げる。又、
アミノ酸等に関して光学異性体がある場合は、特に明記
しない限りL−体を示すものとする。 Bzl……………ベンジル基, Boc……………tert- ブトキシカルボニル基, TFA……………トリフルオロ酢酸, DMF……………ジメチルホルムアミド, DCM……………ジクロロメタン, C12−Bzl…2,6−ジクロロベンジル基, OeHex………シクロヘキシルオキシ基, BOM……………ベンジルオキシメチル基, TOS……………p−トルエンスルホニル基。
The novel peptide of the present invention is present in the primary structure of bovine serum albumin,
It is a peptide corresponding to residues 48 and 341 to 348, and also residues 337 to 348 and 34 of human serum albumin.
A peptide corresponding to residues 1 to 348, and residues 337 to 348 and 341 to 34 of porcine and rat serum albumin.
Corresponds to a peptide corresponding to 8 residues. Peptides derived from bovine serum albumin are H-Arg-His-Pro-Glu-Tyr-Ala-Val-Se
r-Val-Leu-Leu-Arg-OH and H-Tyr-Ala-Val-Ser-Val-Leu-
It has the sequence of Leu-Arg-OH and the peptide derived from human serum is H-
Arg-His-Pro-Asp-Tyr-Ser-Val-Val-Leu-Leu-Leu-Arg-OH
And H-Tyr-Ser-Val-Ser-Leu-Leu-Leu-Arg-OH pig- and rat-derived peptides are H-Arg-His-Pro-Asp-Tyr-Ser-Val-
Ser-Leu-Leu-Leu-Arg-OH and H-Tyr-Ser-Val-Ser-Leu-Le
It has the sequence of u-Leu-Arg-OH. In the present specification, when abbreviations for amino acids, peptides, protecting groups, etc. are used, they shall be in accordance with the provisions of IUB, IUPAC or the common symbols in the field, and examples thereof are given below. or,
When amino acids and the like have optical isomers, the L-form is shown unless otherwise specified. Bzl ……………… Benzyl group, Boc ……………… tert-Butoxycarbonyl group, TFA ……………… Trifluoroacetic acid, DMF ……………… Dimethylformamide, DCM ……………… Dichloromethane, C12- Bzl ... 2,6-dichlorobenzyl group, OeHex .... Cyclohexyloxy group, BOM .......... benzyloxymethyl group, TOS ......... p-toluenesulfonyl group.

【0005】本発明のペプチドを得る方法としては、血
清アルブミンをトリプシン様酵素で分解することにより
得る方法のほか、化学合成によって得ることが可能であ
る。これらペプチドは逆相ODSによるクロマト,疎水
クロマト,イオン交換クロマト等により精製し、目的と
するペプチドが得られる。化学合成を行なう場合にはペ
プチドの合成の常法手段によって合成できる。例えば
「ザ.ペプチド(The Peptide )」第1巻(1966
年)[Schreder and Luhke著、Academic Press,New Yo
rk,U.S.A. ]、あるいは「ペプチド合成」[泉屋ら著、
丸善株式会社(1975年)]に記載されるごとき方法
に従い、例えば、アジド法,酸クロライド法,酸無水物
法,混合酸無水物法,DCC法,活性エステル法,カル
ボイミダゾール法,酸化還元法,DCC−アディディブ
(HONB,HOBt,HOSu)法等を例示できる。
上記においては、固相合成法及び液相合成法のいずれも
適用できる。
The peptide of the present invention can be obtained by decomposing serum albumin with a trypsin-like enzyme, or by chemical synthesis. These peptides are purified by reverse phase ODS chromatography, hydrophobic chromatography, ion exchange chromatography, etc. to obtain the desired peptide. In the case of chemical synthesis, it can be synthesized by a conventional means for peptide synthesis. For example, “The Peptide”, Volume 1 (1966)
) [Schreder and Luhke, Academic Press, New Yo
rk, USA], or "peptide synthesis" [Izumiya et al.,
Maruzen Co., Ltd. (1975)], for example, azide method, acid chloride method, acid anhydride method, mixed acid anhydride method, DCC method, active ester method, carbimidazole method, redox method. , DCC-additive (HONB, HOBt, HOSu) method and the like.
In the above, both the solid phase synthesis method and the liquid phase synthesis method can be applied.

【0006】上記各種方法において側鎖官能基を有する
アミノ酸、例えばHis,Arg,Asp,Glu,T
yr及びSerは、その側鎖官能基は保護しておくのが
望ましく、これは通常の保護基により保護され、反応終
了後該保護基は脱離される。又、血清アルブミンを酵素
加水分解により調製する場合は以下の方法で入手するこ
とができる。血清アルブミンをトリプシン様酵素により
分解し、加熱等の方法で酵素を失活させ、遠心分離を行
なった後、この上清を逆相ODSによるクロマト,疎水
クロマト,イオン交換クロマト等により精製し、目的と
するペプチドが得られる。このようにして得られたペプ
チドをアミノ酸シーケンサによる配列分析及びアミノ酸
組成により特定することができる。又、本発明のペプチ
ドは、酢酸,塩酸等と塩を血清する。本発明では、これ
らの塩も包含する。このようにして得られた新規ペプチ
ソはモルモット回腸収縮作用,イヌ腸間動脈弛緩作用及
び高血圧ラット血圧降下作用を有する。
In the above various methods, amino acids having a side chain functional group such as His, Arg, Asp, Glu, T
It is desirable to protect the side chain functional groups of yr and Ser, which are protected by ordinary protecting groups, and the protecting groups are eliminated after completion of the reaction. When serum albumin is prepared by enzymatic hydrolysis, it can be obtained by the following method. Serum albumin is decomposed with a trypsin-like enzyme, the enzyme is inactivated by a method such as heating, centrifugation is performed, and the supernatant is purified by reverse phase ODS chromatography, hydrophobic chromatography, ion exchange chromatography, etc. To obtain a peptide. The peptide thus obtained can be specified by sequence analysis by an amino acid sequencer and amino acid composition. The peptide of the present invention sera salts with acetic acid, hydrochloric acid and the like. The present invention also includes these salts. The novel peptiso thus obtained has a guinea pig ileal contractile action, a dog mesenteric artery relaxing action, and a hypertensive rat hypotensive action.

【0007】[0007]

【実施例】以下に実施例を示し、更に本発明を詳しく説
明するためのポリペプチド誘導体の製造例を挙げるが、
これらは本発明を限定するものではない。なお、物性値
として6N塩酸110 ℃、24時間加水分解後のアミノ酸分
析及び高速液体クロマトグラフ(M600型、日本ウォ
ータース社製)を用いた高速液体クロマトグラフィーに
よる分析を行なった。
[Examples] Examples are shown below, and production examples of polypeptide derivatives for further explaining the present invention are given below.
These do not limit the invention. As the physical properties, 6N hydrochloric acid at 110 ° C., amino acid analysis after hydrolysis for 24 hours, and analysis by high performance liquid chromatography using a high performance liquid chromatograph (M600 type, manufactured by Nippon Waters Co., Ltd.) were performed.

【0008】実施例1(牛血清アルブミンよりH-Arg-Hi
s-Pro-Glu-Tyr-Ala-Val-Ser-Val-Leu-Leu-Arg-OHの調
製) 牛血清アルブミン10mg/mlの濃度に溶解した水溶液に20
0 μg/mlになるようトリプシンを加え、溶解させ、N
aOHによりpHを7.8 に調製した。この水溶液を37℃で
5時間保持し、次いで100 ℃で10分間保持して酵素を失
活させた。その後、遠心分離(12000 rpm 5分)によ
り上清を得て、この上清をHPLCに付した。HPLC
はCosmosil 5C18 カラム(250 ×20mm、ナカライテ
スク社製)を用い、0〜60%アセトニトリル濃度勾配
(0.1 %TFAを含有)で1%/分の直線濃度勾配条件
下、10ml/分の流速で溶出した。目的とするペプチド画
分を集め、次いでCosmosil 5Ph(150 ×4.6mm カラ
ム)を装置したHPLCに付し、同一濃度勾配条件、1
ml/分の流速で溶出させた。目的画分を集め、更にCosm
osil 5CN カラム(250 ×4.6mm )によるHPLCに
付し、上記と同一条件にて溶出し、本発明ペプチド20μ
gを得た。得られたペプチドをペプチドシーケンサによ
り分析したところH-Arg-His-Pro-Glu-Tyr-Ala-Val-Ser-
Val-Leu-Leu-Arg-OHの配列を有していた。 アミノ酸分析 Ser(1) 0.87 ,Glu(1) 1.02 ,Pro(1) 1.00 ,Ala(1)
1.00 ,Val(2) 2.04,Leu(2) 2.04 ,Tyr(1) 0.98 ,Hi
s(1) 0.98 ,Arg(2) 2.06
Example 1 (H-Arg-Hi from bovine serum albumin)
Preparation of s-Pro-Glu-Tyr-Ala-Val-Ser-Val-Leu-Leu-Arg-OH) 20 in aqueous solution dissolved in bovine serum albumin 10 mg / ml
Trypsin was added to 0 μg / ml to dissolve, and N was added.
The pH was adjusted to 7.8 with aOH. This aqueous solution was kept at 37 ° C for 5 hours and then at 100 ° C for 10 minutes to inactivate the enzyme. After that, a supernatant was obtained by centrifugation (12000 rpm, 5 minutes), and this supernatant was subjected to HPLC. HPLC
Is a Cosmosil 5C 18 column (250 × 20 mm, manufactured by Nacalai Tesque, Inc.) with a gradient of 0-60% acetonitrile (containing 0.1% TFA) and a linear gradient of 1% / min at a flow rate of 10 ml / min. It eluted. The peptide fractions of interest were collected, and then subjected to HPLC equipped with Cosmosil 5Ph (150 x 4.6 mm column) under the same concentration gradient conditions, 1
Elution was performed at a flow rate of ml / min. Collect the target fractions and then Cosm
HPLC on an osil 5CN column (250 x 4.6 mm), eluting under the same conditions as above, and the peptide of the present invention 20μ
g was obtained. When the obtained peptide was analyzed by a peptide sequencer, H-Arg-His-Pro-Glu-Tyr-Ala-Val-Ser-
It had a sequence of Val-Leu-Leu-Arg-OH. Amino acid analysis Ser (1) 0.87, Glu (1) 1.02, Pro (1) 1.00, Ala (1)
1.00, Val (2) 2.04, Leu (2) 2.04, Tyr (1) 0.98, Hi
s (1) 0.98, Arg (2) 2.06

【0009】実施例2(化学合成によるH-Arg-His-Pro-
Glu-Tyr-Ala-Val-Ser-Val-Leu-Leu-Arg-OHの調製) SAM2ペプチド合成装置(Bioserch社製)により、同
装置のプロトコルに従って合成した。即ち、1g当たり
0.3 mol の12番目の保護アミノ酸Bos-Arg(Tos)-OH を結
合したアシルオキシメチル樹脂2gをペプチド合成装置
の反応容器にセットし、45%(v/v)TFA,2.5 %
(v/v)アニソール,52.5%(v/v)DCMを含む
デブロック液と20分間接触させBoc 基を除いた。DCM
による洗浄の後、10%(v/v)ジイソプロピルエチレ
ンアミンを含むDCMにて樹脂を中和し、DCMにより
洗浄した。その後4.0 mmole の11番目の保護アミノ酸Bo
c-Leu-OH及び4.0 mmole のジイソプロピルカルボジイミ
ド(夫々論理当量の6.7 倍)を含む20 ml のDCM,D
MF混合液中で2時間室温にて反応せしめた。DMF及
びDCMにて順次洗浄してBoc-Leu-Arg(Tos)-PAM樹脂を
得た。以下、次に示す保護アミノ酸を用いて順次10番
目から1番目までのアミノ酸をカップリングした。 アミノ酸順序 保護アミノ酸 10 Boc−Leu−OH 9 Boc−Val−OH 8 Boc−Ser(Bzl)−OH 7 Boc−Val−OH 6 Boc−Ala−OH 5 Boc−Tyr(C12Bzl)−OH 4 Boc−Glu(OcHex)−OH 3 Boc−Pro−OH 2 Boc−His(Bom)−OH 1 Boc−Arg(Tos)−OH
Example 2 (H-Arg-His-Pro- by chemical synthesis)
Preparation of Glu-Tyr-Ala-Val-Ser-Val-Leu-Leu-Arg-OH) A SAM2 peptide synthesizer (manufactured by Bioserch) was used for synthesis according to the same protocol. That is, per gram
2g of acyloxymethyl resin with 0.3 mol of the 12th protected amino acid, Bos-Arg (Tos) -OH, was set in the reaction vessel of the peptide synthesizer, and 45% (v / v) TFA, 2.5%
The Boc group was removed by contacting with a deblocking solution containing (v / v) anisole and 52.5% (v / v) DCM for 20 minutes. DCM
After washing with, the resin was neutralized with DCM containing 10% (v / v) diisopropylethyleneamine and washed with DCM. Then 4.0 mmole of the 11th protected amino acid Bo
20 ml of DCM, D containing c-Leu-OH and 4.0 mmole of diisopropylcarbodiimide (6.7 logical equivalents each)
The reaction was carried out in the MF mixture for 2 hours at room temperature. Boc-Leu-Arg (Tos) -PAM resin was obtained by sequentially washing with DMF and DCM. Hereinafter, the following protected amino acids were used to sequentially couple the 10th to 1st amino acids. Amino acid sequence Protected amino acids 10 Boc-Leu-OH 9 Boc-Val-OH 8 Boc-Ser (Bzl) -OH 7 Boc-Val-OH 6 Boc-Ala-OH 5 Boc-Tyr (C12Bzl) -OH 4 Boc-Glu. (OcHex) -OH3Boc-Pro-OH2Boc-His (Bom) -OH1Boc-Arg (Tos) -OH

【0010】上記のようにカップリングした保護ペプチ
ド樹脂10%アニソールを含む無水フッ化水素中で1時間
0℃にて反応させた後、フッ化水素留去及びエーテルに
よる洗浄を行なった。得られたペプチド及び樹脂の混合
物から10%酢酸にてペプチドを抽出し、凍結乾燥によっ
て約350 mgの粗ペプチドを得た。粗ペプチドを0.1 %T
FAに溶解した後、オクタデシルシリカ(ODS)カラ
ム(Cosmosil 5C18,250 ×20 mm ナカライテスク社
製)を接続した高速液体クロマトグラフ(M600 型、日
本ウォータース社製)により、0.1 %のTFAを含むア
セトニトリルの直線的濃度勾配(0〜50%/50分、10 m
l /分)にて展開した。目的とするペプチドはアセトニ
トリルの濃度約30%にて溶出された。 アミノ酸分析 Ser(1) 0.87 ,Glu(1) 1.02 ,Pro(1) 1.00 ,Ala(1)
1.00 ,Val(2) 2.04,Leu(2) 2.04 ,Tyr(1) 0.98 ,Hi
s(1) 0.98 ,Arg(2) 2.06
The protected peptide resin coupled as described above was reacted in anhydrous hydrogen fluoride containing 10% anisole for 1 hour at 0 ° C., followed by distilling off hydrogen fluoride and washing with ether. The peptide was extracted from the obtained mixture of peptide and resin with 10% acetic acid and freeze-dried to obtain about 350 mg of a crude peptide. 0.1% T of crude peptide
After being dissolved in FA, 0.1% TFA was obtained by a high performance liquid chromatograph (M600 type, manufactured by Nippon Waters Co., Ltd.) connected to an octadecyl silica (ODS) column (Cosmosil 5C 18 , 250 × 20 mm manufactured by Nacalai Tesque). Linear gradient of acetonitrile containing (0-50% / 50 min, 10 m
l / min). The target peptide was eluted at a concentration of acetonitrile of about 30%. Amino acid analysis Ser (1) 0.87, Glu (1) 1.02, Pro (1) 1.00, Ala (1)
1.00, Val (2) 2.04, Leu (2) 2.04, Tyr (1) 0.98, Hi
s (1) 0.98, Arg (2) 2.06

【0011】実施例3(化学合成によるH-His-Pro-Glu-
Tyr-Ala-Val-Ser-Val-Leu-Leu-Arg-OHの調製) SAM2ペプチド合成装置(Bioserch社製)により、実
施例2に準じて合成した。以下、次に示す保護アミノ酸
を用いて順次9番目から1番目までのアミノ酸をカップ
リングした。 アミノ酸順序 保護アミノ酸 9 Boc−Leu−OH 8 Boc−Val−OH 7 Boc−Ser(Bzl)−OH 6 Boc−Val−OH 5 Boc−Ala−OH 4 Boc−Tyr(C12Bzl)−OH 3 Boc−Glu(OcHex)−OH 2 Boc−Pro−OH 1 Boc−His(Bom)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(1) 0.87 ,Glu(1) 1.02 ,Pro(1) 1.00 ,Ala(1)
1.00 ,Val(2) 2.04,Leu(2) 2.04 ,Tyr(1) 0.98 ,Hi
s(1) 0.98 ,Arg(1) 1.03
Example 3 (H-His-Pro-Glu- by chemical synthesis)
Preparation of Tyr-Ala-Val-Ser-Val-Leu-Leu-Arg-OH) It was synthesized according to Example 2 using a SAM2 peptide synthesizer (manufactured by Bioserch). Hereinafter, the 9th to 1st amino acids were sequentially coupled using the protected amino acids shown below. Amino acid order Protected amino acids 9 Boc-Leu-OH 8 Boc-Val-OH 7 Boc-Ser (Bzl) -OH 6 Boc-Val-OH 5 Boc-Ala-OH 4 Boc-Tyr (C12Bzl) -OH 3 Boc-Glu. (OcHex) -OH2Boc-Pro-OH1Boc-His (Bom) -OH The target compound was obtained by the same procedure as in Example 2 using the protected peptide resin coupled as described above. Amino acid analysis Ser (1) 0.87, Glu (1) 1.02, Pro (1) 1.00, Ala (1)
1.00, Val (2) 2.04, Leu (2) 2.04, Tyr (1) 0.98, Hi
s (1) 0.98, Arg (1) 1.03

【0012】実施例4(化学合成によるH-Tyr-Ala-Val-
Ser-Val-Leu-Leu-Arg-OHの調製) SAM2ペプチド合成装置(Bioserch社製)により、実
施例2に準じて合成した。以下、次に示す保護アミノ酸
を用いて順次7番目から1番目までのアミノ酸をカップ
リングした。 アミノ酸順序 保護アミノ酸 7 Boc−Leu−OH 6 Boc−Leu−OH 5 Boc−Val−OH 4 Boc−Ser(Bzl)−OH 3 Boc−Val−OH 2 Boc−Ala−OH 1 Boc−Tyr(C12Bzl)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(1) 0.85 ,Ala(1) 0.99 ,Val(2) 2.05 ,Leu(2)
2.12 ,Tyr(1) 1.01,Arg(1) 0.98 高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 23%CH3 CN−0.01NHCl 保持時間 9.7 分
Example 4 (H-Tyr-Ala-Val- by chemical synthesis)
Preparation of Ser-Val-Leu-Leu-Arg-OH) It was synthesized according to Example 2 using a SAM2 peptide synthesizer (manufactured by Bioserch). Hereinafter, the 7th to 1st amino acids were sequentially coupled using the protected amino acids shown below. Amino acid sequence Protected amino acid 7 Boc-Leu-OH 6 Boc-Leu-OH 5 Boc-Val-OH 4 Boc-Ser (Bzl) -OH 3 Boc-Val-OH 2 Boc-Ala-OH 1 Boc-Tyr (C12Bzl). -OH The protected peptide resin coupled as described above was obtained in the same manner as in Example 2 to obtain the desired product. Amino acid analysis Ser (1) 0.85, Ala (1) 0.99, Val (2) 2.05, Leu (2)
2.12, Tyr (1) 1.01, Arg (1) 0.98 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 23% CH 3 CN-0.01NHCl retention time 9.7 minutes

【0013】実施例5(化学合成によるH-Arg-His-Pro-
Asp-Tyr-Ser-Val-Val-Leu-Leu-Leu-Arg-OHの調製) ペプチド合成装置9600(Bioserch社製)により、1
2番目の保護アミノ酸の結合したBoc-Arg(Tos)-PAM樹脂
(0.5 mmole /g渡辺化学工業株式会社製)0.6 gを用
い、実施例2に準じて合成した。以下、次に示す保護ア
ミノ酸を用いて順次11番目から1番目までのアミノ酸
をカップリングした。各保護アミノ酸の使用量として1.
5 mmole を用いた。 アミノ酸順序 保護アミノ酸 11 Boc−Leu−OH 10 Boc−Leu−OH 9 Boc−Leu−OH 8 Boc−Val−OH 7 Boc−Val−OH 6 Boc−Ser(Bzl)−OH 5 Boc−Tyr(C12Bzl)−OH 4 Boc−Asp(OcHex)−OH 3 Boc−Pro−OH 2 Boc−His(Bom)−OH 1 Boc−Arg(Tos)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(1) 0.87 ,Asp(1) 1.02 ,Pro(1) 0.95 ,Val(2)
1.78 ,Leu(3) 3.24,Tyr(1) 1.03 ,His(1) 1.01 ,Ar
g(2) 2.09 高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 25%CH3 CN−0.01NHCl 保持時間 8.8 分
Example 5 (H-Arg-His-Pro- by chemical synthesis)
Preparation of Asp-Tyr-Ser-Val-Val-Leu-Leu-Leu-Arg-OH) 1 with a peptide synthesizer 9600 (manufactured by Bioserch)
Synthesis was carried out according to Example 2 using 0.6 g of Boc-Arg (Tos) -PAM resin (0.5 mmole / g, manufactured by Watanabe Chemical Industry Co., Ltd.) to which the second protected amino acid was bound. Hereinafter, the 11th to 1st amino acids were sequentially coupled using the protected amino acids shown below. The amount of each protected amino acid used is 1.
5 mmole was used. Amino acid sequence Protected amino acids 11 Boc-Leu-OH 10 Boc-Leu-OH 9 Boc-Leu-OH 8 Boc-Val-OH 7 Boc-Val-OH 6 Boc-Ser (Bzl) -OH 5 Boc-Tyr (C12Bzl). -OH4Boc-Asp (OcHex) -OH3Boc-Pro-OH2Boc-His (Bom) -OH1Boc-Arg (Tos) -OH The protected peptide resin coupled as described above in Example 2 and. The target product was obtained by the same operation. Amino acid analysis Ser (1) 0.87, Asp (1) 1.02, Pro (1) 0.95, Val (2)
1.78, Leu (3) 3.24, Tyr (1) 1.03, His (1) 1.01, Ar
g (2) 2.09 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 25% CH 3 CN-0.01NHCl retention time 8.8 minutes

【0014】実施例6(化学合成によるH-His-Pro-Asp-
Tyr-Ser-Val-Val-Leu-Leu-Leu-Arg-OHの調製) ペプチド合成装置9600(Bioserch社製)により、1
2番目の保護アミノ酸の結合したBos-Arg(Tos)-PAM樹脂
(0.5 mmole /g渡辺化学工業株式会社製)0.6 gを用
い、実施例2に準じて合成した。以下、次に示す保護ア
ミノ酸を用いて順次10番目から1番目までのアミノ酸
をカップリングした。各保護アミノ酸の使用量として1.
5 mmole を用いた。 アミノ酸順序 保護アミノ酸 10 Boc−Leu−OH 9 Boc−Leu−OH 8 Boc−Leu−OH 7 Boc−Val−OH 6 Boc−Val−OH 5 Boc−Ser(Bzl)−OH 4 Boc−Tyr(C12Bzl)−OH 3 Boc−Asp(OcHex)−OH 2 Boc−Pro−OH 1 Boc−His(Bom)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(1) 0.88 ,Asp(1) 1.03 ,Pro(1) 1.96 ,Val(2)
1.81 ,Leu(3) 3.27,Tyr(1) 1.02 ,His(1) 1.01 ,Ar
g(1) 1.03 高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 25%CH3 CN−0.01NHCl 保持時間 13.6分
Example 6 (H-His-Pro-Asp- by chemical synthesis
Preparation of Tyr-Ser-Val-Val-Leu-Leu-Leu-Arg-OH) 1 with a peptide synthesizer 9600 (manufactured by Bioserch)
The second protected amino acid-bonded Bos-Arg (Tos) -PAM resin (0.5 mmole / g, manufactured by Watanabe Chemical Industry Co., Ltd.) (0.6 g) was used and synthesized according to Example 2. Hereinafter, the following protected amino acids were used to sequentially couple the 10th to 1st amino acids. The amount of each protected amino acid used is 1.
5 mmole was used. Amino acid order Protected amino acids 10 Boc-Leu-OH 9 Boc-Leu-OH 8 Boc-Leu-OH 7 Boc-Val-OH 6 Boc-Val-OH 5 Boc-Ser (Bzl) -OH 4 Boc-Tyr (C12Bzl). -OH3Boc-Asp (OcHex) -OH2Boc-Pro-OH1Boc-His (Bom) -OH The protected peptide resin coupled as described above was obtained by the same procedure as in Example 2. . Amino acid analysis Ser (1) 0.88, Asp (1) 1.03, Pro (1) 1.96, Val (2)
1.81, Leu (3) 3.27, Tyr (1) 1.02, His (1) 1.01, Ar
g (1) 1.03 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 25% CH 3 CN-0.01NHCl retention time 13.6 minutes

【0015】実施例7(化学合成によるH-Tyr-Ser-Val-
Val-Leu-Leu-Leu-Arg-OHの調製) ペプチド合成装置9600(Bioserch社製)により、8
番目の保護アミノ酸の結合したBoc-Arg(Tos)-PAM樹脂
(0.5 mmole /g渡辺化学工業株式会社製)0.6gを用
い、実施例2に準じて合成した。以下、次に示す保護ア
ミノ酸を用いて順次7番目から1番目までのアミノ酸を
カップリングした。各保護アミノ酸の使用量として1.5
mmole を用いた。 アミノ酸順序 保護アミノ酸 7 Boc−Leu−OH 6 Boc−Leu−OH 5 Boc−Leu−OH 4 Boc−Val−OH 3 Boc−Val−OH 2 Boc−Ser(Bzl)−OH 1 Boc−Tyr(C12Bzl)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(1) 0.89 ,Val(2) 1.78 ,Leu(3) 3.29 ,Tyr(1)
1.02 ,Arg(1) 1.03 高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 28%CH3 CN−0.01NHCl 保持時間 8.8 分
Example 7 (H-Tyr-Ser-Val- by chemical synthesis)
Preparation of Val-Leu-Leu-Leu-Arg-OH) 8 using a peptide synthesizer 9600 (manufactured by Bioserch)
The second protected amino acid-bonded Boc-Arg (Tos) -PAM resin (0.5 mmole / g, manufactured by Watanabe Chemical Industry Co., Ltd.) (0.6 g) was used and synthesized according to Example 2. Hereinafter, the 7th to 1st amino acids were sequentially coupled using the protected amino acids shown below. 1.5 as the amount of each protected amino acid used
mmole was used. Amino acid order Protected amino acids 7 Boc-Leu-OH 6 Boc-Leu-OH 5 Boc-Leu-OH 4 Boc-Val-OH 3 Boc-Val-OH 2 Boc-Ser (Bzl) -OH 1 Boc-Tyr (C12Bzl). -OH The protected peptide resin coupled as described above was obtained in the same manner as in Example 2 to obtain the desired product. Amino acid analysis Ser (1) 0.89, Val (2) 1.78, Leu (3) 3.29, Tyr (1)
1.02, Arg (1) 1.03 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 28% CH 3 CN-0.01NHCl retention time 8.8 minutes

【0016】実施例8(化学合成によるH-Arg-His-Pro-
Asp-Tyr-Ser-Val-Ser-Leu-Leu-Leu-Arg-OHの調製) ペプチド合成装置9600(Bioserch社製)により、1
2番目の保護アミノ酸の結合したBoc-Arg(Tos)-PAM樹脂
(0.5 mmole /g渡辺化学工業株式会社製)0.6 gを用
い、実施例2に準じて合成した。以下、次に示す保護ア
ミノ酸を用いて順次11番目から1番目までのアミノ酸
をカップリングした。各保護アミノ酸の使用量として1.
5 mmole を用いた。 アミノ酸順序 保護アミノ酸 11 Boc−Leu−OH 10 Boc−Leu−OH 9 Boc−Leu−OH 8 Boc−Ser(Bzl)−OH 7 Boc−Val−OH 6 Boc−Ser(Bzl)−OH 5 Boc−Tyr(C12Bzl)−OH 4 Boc−Asp(OcHex)−OH 3 Boc−Pro−OH 2 Boc−His(Bom)−OH 1 Boc−Arg(Tos)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(2) 1.75 ,Asp(1) 1.02 ,Pro(1) 0.92 ,Val(1)
1.00 ,Leu(3) 3.22,Tyr(1) 1.02 ,His(1) 1.01 ,Ar
g(2) 2.05 高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 22%CH3 CN−0.01NHCl 保持時間 10.6分
Example 8 (H-Arg-His-Pro- by chemical synthesis
Preparation of Asp-Tyr-Ser-Val-Ser-Leu-Leu-Leu-Arg-OH) 1 with a peptide synthesizer 9600 (manufactured by Bioserch)
Synthesis was carried out according to Example 2 using 0.6 g of Boc-Arg (Tos) -PAM resin (0.5 mmole / g, manufactured by Watanabe Chemical Industry Co., Ltd.) to which the second protected amino acid was bound. Hereinafter, the 11th to 1st amino acids were sequentially coupled using the protected amino acids shown below. The amount of each protected amino acid used is 1.
5 mmole was used. Amino acid order Protected amino acids 11 Boc-Leu-OH 10 Boc-Leu-OH 9 Boc-Leu-OH 8 Boc-Ser (Bzl) -OH 7 Boc-Val-OH 6 Boc-Ser (Bzl) -OH 5 Boc-Tyr. (C12Bzl) -OH4Boc-Asp (OcHex) -OH3Boc-Pro-OH2Boc-His (Bom) -OH1Boc-Arg (Tos) -OH The protected peptide resin coupled as described above was carried out. The target product was obtained by the same operation as in Example 2. Amino acid analysis Ser (2) 1.75, Asp (1) 1.02, Pro (1) 0.92, Val (1)
1.00, Leu (3) 3.22, Tyr (1) 1.02, His (1) 1.01, Ar
g (2) 2.05 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 22% CH 3 CN-0.01NHCl retention time 10.6 minutes

【0017】実施例9(化学合成によるH-His-Pro-Asp-
Tyr-Ser-Val-Ser-Leu-Leu-Leu-Arg-OHの調製) ペプチド合成装置9600(Bioserch社製)により、1
2番目の保護アミノ酸の結合したBoc-Arg(Tos)-PAM樹脂
(0.5 mmole /g渡辺化学工業株式会社製)0.6 gを用
い、実施例2に準じて合成した。以下、次に示す保護ア
ミノ酸を用いて順次10番目から1番目までのアミノ酸
をカップリングした。各保護アミノ酸の使用量として1.
5 mmole を用いた。 アミノ酸順序 保護アミノ酸 10 Boc−Leu−OH 9 Boc−Leu−OH 8 Boc−Leu−OH 7 Boc−Ser(Bzl)−OH 6 Boc−Val−OH 5 Boc−Ser(Bzl)−OH 4 Boc−Tyr(C12Bzl)−OH 3 Boc−Asp(OcHex)−OH 2 Boc−Pro−OH 1 Boc−His(Bom)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(2) 1.77 ,Asp(1) 1.02 ,Pro(1) 1.01 ,Val(1)
1.01 ,Leu(3) 3.23,Tyr(1) 1.01 ,His(1) 0.94 ,Ar
g(1) 1.03 高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 25%CH3 CN−0.01NHCl 保持時間 7.4 分
Example 9 (H-His-Pro-Asp- by chemical synthesis
Preparation of Tyr-Ser-Val-Ser-Leu-Leu-Leu-Arg-OH) 1 with a peptide synthesizer 9600 (manufactured by Bioserch)
Synthesis was carried out according to Example 2 using 0.6 g of Boc-Arg (Tos) -PAM resin (0.5 mmole / g, manufactured by Watanabe Chemical Industry Co., Ltd.) to which the second protected amino acid was bound. Hereinafter, the following protected amino acids were used to sequentially couple the 10th to 1st amino acids. The amount of each protected amino acid used is 1.
5 mmole was used. Amino acid order Protected amino acids 10 Boc-Leu-OH 9 Boc-Leu-OH 8 Boc-Leu-OH 7 Boc-Ser (Bzl) -OH 6 Boc-Val-OH 5 Boc-Ser (Bzl) -OH 4 Boc-Tyr. (C12Bzl) -OH3Boc-Asp (OcHex) -OH2Boc-Pro-OH1Boc-His (Bom) -OH The protected peptide resin coupled as described above was prepared in the same manner as in Example 2 to give the desired product. Got Amino acid analysis Ser (2) 1.77, Asp (1) 1.02, Pro (1) 1.01, Val (1)
1.01, Leu (3) 3.23, Tyr (1) 1.01, His (1) 0.94, Ar
g (1) 1.03 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 25% CH 3 CN-0.01NHCl retention time 7.4 minutes

【0018】実施例10(化学合成によるH-Tyr-Ser-Va
l-Ser-Leu-Leu-Leu-Arg-OHの調製) ペプチド合成装置9600(Bioserch社製)により、1
2番目の保護アミノ酸の結合したBoc-Arg(Tos)-PAM樹脂
(0.5 mmole /g渡辺化学工業株式会社製)0.6 gを用
い、実施例2に準じて合成した。以下、次に示す保護ア
ミノ酸を用いて順次7番目から1番目までのアミノ酸を
カップリングした。各保護アミノ酸の使用量として1.5
mmole を用いた。 アミノ酸順序 保護アミノ酸 7 Boc−Leu−OH 6 Boc−Leu−OH 5 Boc−Leu−OH 4 Boc−Ser(Bzl)−OH 3 Boc−Val−OH 2 Boc−Ser(Bzl)−OH 1 Boc−Tyr(C12Bzl)−OH 上記のようにカップリングした保護ペプチド樹脂を実施
例2と同様の操作によって目的物を得た。 アミノ酸分析 Ser(2) 1.73 ,Val(1) 0.99 ,Leu(3) 3.21 ,Tyr(1)
1.04 ,Arg(1) 1.03高速液体クロマトグラフィー カラム TSKgelODS−120T(4.6 ×25
0 mm) 流速 1.0 ml/min 溶出液 25%CH3 CN−0.01NHCl 保持時間 9.8 分
Example 10 (H-Tyr-Ser-Va by chemical synthesis)
Preparation of l-Ser-Leu-Leu-Leu-Arg-OH) 1 with a peptide synthesizer 9600 (manufactured by Bioserch)
Synthesis was carried out according to Example 2 using 0.6 g of Boc-Arg (Tos) -PAM resin (0.5 mmole / g, manufactured by Watanabe Chemical Industry Co., Ltd.) to which the second protected amino acid was bound. Hereinafter, the 7th to 1st amino acids were sequentially coupled using the protected amino acids shown below. 1.5 as the amount of each protected amino acid used
mmole was used. Amino acid sequence Protected amino acids 7 Boc-Leu-OH 6 Boc-Leu-OH 5 Boc-Leu-OH 4 Boc-Ser (Bzl) -OH 3 Boc-Val-OH 2 Boc-Ser (Bzl) -OH 1 Boc-Tyr. (C12Bzl) -OH The protected peptide resin coupled as described above was obtained by the same procedure as in Example 2. Amino acid analysis Ser (2) 1.73, Val (1) 0.99, Leu (3) 3.21, Tyr (1)
1.04, Arg (1) 1.03 High Performance Liquid Chromatography Column TSKgel ODS-120T (4.6 x 25
0 mm) a flow rate of 1.0 ml / min eluent 25% CH 3 CN-0.01NHCl retention time 9.8 minutes

【0019】[薬理活性]このようにして得られた新規
ペプチドはモルモット回腸収縮作用,イヌ腸間動脈弛緩
作用及び高血圧ラット血圧降下作用を有する。これらの
生理活性は以下のように確認される。 回腸収縮作用 体重300 〜400 gのモルモットより摘出した回腸縦走筋
切片を高木らの著書による方法(高木他編薬物学実験、
94〜99P .1972年 南山堂)に従って処理をし、測
定に供した。標本の一端を糸を介して等長性トランスジ
ューサに接続し、他端を内容積2mlのマヌグス管内に固
定し、筋収縮の張力を電気的に記録した。前記各実施例
について記録した張力は表1に示す。
[Pharmacological activity] The novel peptide thus obtained has a guinea pig ileal contractile action, a dog mesenteric artery relaxing action and a hypertensive rat hypotensive action. These physiological activities are confirmed as follows. Ileal contractile action A method of the ileal longitudinal muscle section isolated from a guinea pig of 300 to 400 g in weight by the method of Takagi et al.
94-99P. (Nanzandou, 1972) and processed. One end of the specimen was connected to an isometric transducer via a thread, the other end was fixed in a Manugus tube with an internal volume of 2 ml, and the tension of muscle contraction was recorded electrically. The tensions recorded for each of the above examples are shown in Table 1.

【表1】 イヌ腸間膜動脈弛緩作用 イヌ腸間膜動脈のらせん状切片をモルモット回腸収縮試
験の場合と同様に、マグヌス管内で等長性トランスジュ
ーサに接続した。0.5 μM のプロスタグランジンF2 α
によって収縮させた腸間膜動脈に対しての弛緩作用を観
た。実施例2,3及び4で製造した本発明のペプチドを
投与し、上記の作用を観察したところいずれも弛緩作用
を認めた。 アンジオテンシン転換酵素阻害作用 ウサギ肺アセトンパウダーから抽出したアンジオテンシ
ン転換酵素を用い、Cushman とCheungの方法[Biochem
,Pharm.,20,1637−1648(1971)]に
従って測定した。各実施例毎の測定結果は表2に示す。
[Table 1] Canine Mesenteric Artery Relaxing Action Helical sections of canine mesenteric arteries were connected to isometric transducers in the Magnus tube as in the guinea pig ileal contraction test. 0.5 μM prostaglandin F 2 α
We observed the relaxation effect on the mesenteric artery contracted by. When the peptides of the present invention produced in Examples 2, 3 and 4 were administered and the above-mentioned effects were observed, a relaxing effect was observed in all of them. Angiotensin-converting enzyme inhibitory activity Using the angiotensin-converting enzyme extracted from rabbit lung acetone powder, the method of Cushman and Cheung [Biochem
, Pharm., 20, 1637-1648 (1971)]. The measurement results for each example are shown in Table 2.

【表2】 血圧降下作用 400 gの雄自然発症性高血圧ラットを用い、クロラロー
ス麻酔下に頸動脈にカニューレを挿入し、このカニュー
レを圧トランスジューサに接続してポリグラフに記録す
るようにした。大腿静脈より実施例2で製造した本発明
の血圧降下剤を投与し、血圧の降下を観察した。10 mg
/kgの投与で200 mmHgの血圧が180 mmHgに降下すること
が観察された。
[Table 2] Hypotensive effect Using 400 g male spontaneously hypertensive rats, a carotid artery was cannulated under anesthesia with chloralose, and this cannula was connected to a pressure transducer for recording on a polygraph. The antihypertensive agent of the present invention produced in Example 2 was administered through the femoral vein, and the decrease in blood pressure was observed. 10 mg
It was observed that the blood pressure of 200 mmHg dropped to 180 mmHg by administration of / kg.

【0020】[0020]

【発明の効果】以上説明したように、本発明によれば回
腸収縮,イヌ腸間膜動脈のプロスタグランジンF2 αに
よる収縮作用を解除し、アンジオテンシン転換酵素阻害
作用及び血圧降下作用など種々の生理活性を有する新規
ペプチドは、血圧降下剤等医薬として有用であることが
確認できた。
INDUSTRIAL APPLICABILITY As described above, according to the present invention, the ileal contraction and the contractive action of canine mesenteric artery by prostaglandin F 2 α are released, and various effects such as angiotensin converting enzyme inhibitory action and blood pressure lowering action are exerted. It was confirmed that the novel peptide having physiological activity is useful as a medicine such as an antihypertensive agent.

フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 FI 技術表示箇所 C12P 21/06 8214−4B C07K 99:00 Front page continuation (51) Int.Cl. 5 Identification code Office reference number FI technical display location C12P 21/06 8214-4B C07K 99:00

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 下記式 H-(A)-Tyr-(B)-Val-(C)-(D)-Leu-Leu-Arg-OH (但し、(A) はArg-His-Pro-Glu 、His-Pro-Glu 、Arg-
His-Pro-Asp 、His-Pro-Asp 、又は単に結合部を表し、
(B) はAla 又はSer を表し、(C) はVal 又はSerを表
し、(D) はVal 又はLeu を表す。)で表されるペプチド
又はその塩。
1. The following formula H- (A) -Tyr- (B) -Val- (C)-(D) -Leu-Leu-Arg-OH (where (A) is Arg-His-Pro-Glu. , His-Pro-Glu, Arg-
His-Pro-Asp, His-Pro-Asp, or simply a binding moiety,
(B) represents Ala or Ser, (C) represents Val or Ser, and (D) represents Val or Leu. ] The peptide or its salt represented by these.
JP4283981A 1992-09-29 1992-09-29 Movel peptide or its salt Pending JPH06107686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4283981A JPH06107686A (en) 1992-09-29 1992-09-29 Movel peptide or its salt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4283981A JPH06107686A (en) 1992-09-29 1992-09-29 Movel peptide or its salt

Publications (1)

Publication Number Publication Date
JPH06107686A true JPH06107686A (en) 1994-04-19

Family

ID=17672743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4283981A Pending JPH06107686A (en) 1992-09-29 1992-09-29 Movel peptide or its salt

Country Status (1)

Country Link
JP (1) JPH06107686A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130059785A1 (en) * 2002-07-23 2013-03-07 Novozymes Biopharma Dk A/S Gene and Polypeptide Sequences

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130059785A1 (en) * 2002-07-23 2013-03-07 Novozymes Biopharma Dk A/S Gene and Polypeptide Sequences
US9133265B2 (en) * 2002-07-23 2015-09-15 Novozymes Biopharma Dk A/S Gene and polypeptide sequences

Similar Documents

Publication Publication Date Title
EP0561412B1 (en) Parathyroid hormone derivatives
EP0477885B1 (en) Parathyroid hormone derivatives
Gregory et al. The primary structure of human urogastrone
EP0212432B1 (en) Calcitonin gene related peptide derivatives
US4732890A (en) Retro-inverso hexapeptide neurotensin analogs, process for their preparation and pharmaceutical compositions containing them
KR20010103772A (en) Covalently bridged insulin dimers
EP0270376B1 (en) Calcitonin gene-related peptide derivatives
JPS6118799A (en) Effective thymopentin analogue
US4866039A (en) Peptides containing the 18 to 23 residues of vasoactive intestinal peptide, and analogues
FI79117B (en) FOERFARANDE FOER FRAMSTAELLNING AV BOVINE-, SVIN- ELLER HUMANINSULIN.
US5786335A (en) Sulfhydryl containing peptides for treating vascular disease
EP0185320B1 (en) Partially modified, retro-inverso neurotensin analogs
JPH06107686A (en) Movel peptide or its salt
EP0300737B1 (en) Calcitonin gene related peptide derivatives
US4732972A (en) Polypeptides having growth hormone releasing activity
JPH0692991A (en) New active peptide
US4820804A (en) Analogs of [1,7-di-alanine, des-19-leucine]calcitonin
FUJII et al. Studies on Peptides. CLVI. Synthesis of Second Human Calcitonin Gene-Related Peptide (β-hCGRP) by Application of a New Disulfide-Bonding Reaction with Thallium (III) Trifluoroacetate
JP3129523B2 (en) Novel peptide and method for producing the same
Diaz et al. A large-scale synthesis of somatostatin for clinical use by a novel alternating solution/solid-phase procedure
JP3109835B2 (en) Peptides for inhibiting pepsin release
JPH08269090A (en) New peptide
JP2619268B2 (en) New peptide sulfate derivatives
JP2920886B2 (en) Novel peptide and its salt
JPS62187489A (en) Lysozyme occurring peptide