JP2013147639A - 糖ペプチドの製造方法、糖アミノ酸の製造方法および糖タンパク質の製造方法 - Google Patents
糖ペプチドの製造方法、糖アミノ酸の製造方法および糖タンパク質の製造方法 Download PDFInfo
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- JP2013147639A JP2013147639A JP2012277181A JP2012277181A JP2013147639A JP 2013147639 A JP2013147639 A JP 2013147639A JP 2012277181 A JP2012277181 A JP 2012277181A JP 2012277181 A JP2012277181 A JP 2012277181A JP 2013147639 A JP2013147639 A JP 2013147639A
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Abstract
【解決手段】本発明の糖ペプチドの製造方法は、前記糖ペプチドの糖が、シアル酸が結合した糖鎖であり、エミュー(Dromaius novaehollandiae)の卵から、前記糖ペプチドを分離する糖ペプチド分離工程を有することを特徴とする。本発明の糖アミノ酸の製造方法は、前記糖ペプチドから前記糖アミノ酸を分離する糖アミノ酸分離工程を含み、前記糖アミノ酸分離工程において、前記糖ペプチドが、本発明の糖ペプチドの製造方法によって得られた糖ペプチドであることを特徴とする。本発明の糖タンパク質の製造方法は、タンパク質に糖鎖を結合させる糖鎖結合工程を含み、前記糖鎖として、本発明の糖ペプチドの製造方法により製造された前記糖ペプチドの糖鎖および本発明の糖アミノ酸の製造方法により製造された糖アミノ酸の糖鎖の少なくとも一方の糖鎖を用いることを特徴とする。
【選択図】なし
Description
本発明の糖ペプチドの製造方法は、前述のように、前記糖ペプチドの糖が、シアル酸が結合した糖鎖であり、エミュー(Dromaius novaehollandiae)の卵から、前記糖ペプチドを分離する糖ペプチド分離工程を有することを特徴とする。本発明の糖ペプチドの製造方法は、前記糖ペプチド分離工程において、前記エミューの卵から、前記糖ペプチドを分離することが特徴であって、その他工程は、何ら制限されない。
次に、本発明の糖アミノ酸の製造方法は、例えば、前述のようにして得られた、糖ペプチドを酵素分解し、糖アミノ酸を分離することにより、実施できる。
次に本発明の糖タンパク質の製造方法は、例えば、前述のようにして得られた、前記糖ペプチドおよび前記糖アミノ酸の少なくとも一方の糖鎖をタンパク質に付加することにより、実施できる。
(1)検出機器:分光光度計(島津製作所社製)
(2)カラム: ガラス管(内径2.6mm×40cm)
(3)ゲルろ過樹脂:バイオゲルP−4(バイオ・ラッド ラボラトリーズ社製)
(4)カラム平衡用緩衝液:水
(5)移動相: 溶媒 水
流速 50mL/h
(6)分取量: 3.8mL/分画
(1)分析機器:吸光度測定器付きHPLCシステム(島津製作所社製)
(2)カラム: 商品名:Cosmosil 5C18−P
(内径4mm×25cm、ナカライテスク社製)
(3)カラム平衡用緩衝液 A:0.01%TFA水溶液
B:アセトニトリル
+0.01%TFA水溶液
(4)溶離条件: 時間(溶媒比(A:B))
0分:(A:B=100:0)
60分:(A:B=0:100)
となるよう、0分から60分にかけて直線的に溶媒Aの割合
を減少、溶媒Bの割合を増加させ、溶離した。
流速 1mL/min
(1)CDFCNVVESNGTRTLGHFG(配列番号1)
(2)YPNTTNEDGK(配列番号2)
(3)YANATNEEGK(配列番号3)
(4)ILNPICGSDGVTYSNDCLLCAYNIEYGANVSK(配列番号4)
(1)分析機器:蛍光検出器付HPLCシステム(島津製作所社製)
(2)カラム:商品名 Mono Q
(GE Healthcare社製)
(3)カラム平衡用緩衝液:アンモニア水(pH9.0)
(4)移動相:溶媒 A:アンモニア水
B:0.5mol/L酢酸−アンモニア緩衝液(pH9.0)
グラジエント条件:時間(溶媒比(A:B))
0分(A:B=100:0)
10分(A:B=100:0)
40分(A:B=60:40)
流速 1mL/min
(1)分析機器:蛍光検出器付HPLC(島津製作所社製)
(2)カラム:商品名 TSK gel Amido80
(内径2.0mm×25cm、東ソー社製)
(3)カラム平衡用緩衝液:AおよびBの混合溶媒(溶媒比(A:B)=8:2)
A:アセトニトリル
B:50mmol/L蟻酸−アンモニア緩衝液(pH4.4)
(4)移動相:溶媒 A:アセトニトリル
B:50mmol/L蟻酸−アンモニア緩衝液(pH4.4)
グラジエント条件:時間(溶媒比(A:B))
0分:(A:B=80:20)
10分:(A:B=70:30)
35分:(A:B=30:70)
流速 0.18mL/min
前記実施例1で分画した前記糖ペプチドから、前記糖アミノ酸を分離し、精製した。
プロナーゼ(商品名、ベーリンガーマンハイム社製、メルク社製、カルビオケム社製)
リシルエンドペプチダーゼ(登録商標、和光純薬社製)
サーモリシン(商品名、ナカライテスク社製)
V8プロテアーゼ(商品名、ロッシュ社製)
プロテアーゼM「アマノ」(商品名、天野エンザエム社製)
サモアーゼ(商品名、天野エンザエム社製)
(1)検出機器:分光光度計(アマシャム社製)
(2)カラム: ガラス管
(3)ゲルろ過樹脂:
バイオゲルP−4(バイオ・ラッド ラボラトリーズ社製)
(4)カラム平衡用緩衝液:
水
(5)移動相: 溶媒 水
流速 10mL/h
(6)分取量: 1mL/分画
カルボキシペプチダーゼY(商品名、オリエンタル酵母工業社製)
アミノペプチダーゼI(商品名、タカラバイオ社製)
ペプチダーゼR(商品名、天野エンザエム社製)
(1)分析機器:2475マルチ波長蛍光検出器(Waters社製)
321ポンプ(Giloson社製)
(2)カラム: 商品名:Cosmosil 5C18−P
(内径4.6mm×150mm、ナカライテスク社製)
(3)カラム平衡用緩衝液:AおよびBの混合溶媒(溶媒比(A:B)=95:5)
A:50mmol/L酢酸−アンモニア緩衝液(pH4.0)
B:50mmol/L酢酸−アンモニア緩衝液(pH4.0)
+0.5%1−ブタノール
(4)移動相: 溶媒 A:50mmol/L酢酸−アンモニア緩衝液(pH4.0)
B:50mmol/L酢酸−アンモニア緩衝液(pH4.0)
+0.5%1−ブタノール
グラジエント条件:時間(溶媒比(A:B))
0分:(A:B=95:5)
55分:(A:B=0:100)
となるよう、0分から55分にかけて直線的に溶媒Aの割合
を減少、溶媒Bの割合を増加させた。
流速 1.5mL/min
(5)励起波長:320nm
蛍光波長:400nm
(6)カラム温度:25℃
(1)分析機器: 2475マルチ波長蛍光検出器(Waters社製)
321ポンプ(Giloson社製)
(2)カラム: 商品名 TSK gel Amido80
(内径4.6mm×100mm、東ソー社製)
(3)カラム平衡用緩衝液:AおよびBの混合溶媒(溶媒比(A:B)=8:2)
A:アセトニトリル
B:50mmol/L蟻酸−アンモニア緩衝液(pH4.4)
(4)移動相:溶媒 A:アセトニトリル
B:50mmol/L蟻酸−アンモニア緩衝液(pH4.4)
グラジエント条件:時間(溶媒比(A:B))
0分:(A:B=80:20)
3分:(A:B=70:30)
35分:(A:B=35:65)
となるよう、0分から35分にかけて直線的に溶媒Aの割合
を減少、溶媒Bの割合を増加させた。
流速 0.6mL/min
(5)励起波長: 320nm
蛍光波長: 400nm
(6)カラム温度:25℃
前記糖アミノ酸画分1μLとエタノール溶液1μLとを混合し、AnchorChip(Bruker社製)に前記混合液を乗せ、乾燥させた。前記エタノール溶液は、30%エタノールに1mg/mLとなるよう2,5−dihydroxybenzoic acidを溶解したものを用いた。前記乾燥後、前記チップ上の糖アミノ酸画分の質量分析を、MALDI−TOF MS ultraflextremeTM(Bruker社製)を用いて行った。
Claims (9)
- 糖ペプチドの製造方法であって、
前記糖ペプチドの糖が、シアル酸が結合した糖鎖であり、
エミュー(Dromaius novaehollandiae)の卵から、前記糖ペプチドを分離する糖ペプチド分離工程を有することを特徴とする製造方法。 - 前記糖ペプチド分離工程が、前記卵の卵白の水溶性画分から糖ペプチドを分離する工程であることを特徴とする請求項1記載の製造方法。
- 前記糖ペプチドの糖鎖が、3本または4本の分岐鎖を有し、前記3本または4本の分岐鎖全てにシアル酸が結合していることを特徴とする請求項1または2記載の製造方法。
- 前記糖ペプチドの糖鎖が、下記化学式(1)または(2)で表わされるものであることを特徴とする請求項1から3のいずれか一項に記載の製造方法。
- 糖鎖にアミノ酸が結合している糖アミノ酸の製造方法であって、
前記糖ペプチドから前記糖アミノ酸を分離する糖アミノ酸分離工程を含み、
前記糖アミノ酸分離工程において、前記糖ペプチドが、請求項1から4のいずれか一項に記載の製造方法によって得られた糖ペプチドであることを特徴とする製造方法。 - 前記糖アミノ酸が、糖鎖にアスパラギンが結合した糖アミノ酸であり、前記糖ペプチドが、請求項4記載の製造方法によって得られた糖ペプチドであることを特徴とする請求項5記載の製造方法。
- 糖タンパク質の製造方法であって、
タンパク質に糖鎖を結合させる糖鎖結合工程を含み、
前記糖鎖として、請求項1から4のいずれか一項に記載の製造方法により製造された糖ペプチドの糖鎖および請求項5または6に記載の製造方法により製造された糖アミノ酸の糖鎖の少なくとも一方の糖鎖を用いることを特徴とする製造方法。 - 前記糖タンパク質が、糖タンパク質製剤であることを特徴とする請求項7記載の製造方法。
- 前記糖タンパク質製剤が、エリスロポエチン(EPO)、血液凝固因子、成長因子、IgG、インターロイキンまたはインターフェロンであることを特徴とする請求項8記載の製造方法。
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