DK388888A - Fremgangsmaade til fremstilling af l-tryptophan og fremgangsmaade til fremstilling af en stabil vandig enzymoploesning - Google Patents

Fremgangsmaade til fremstilling af l-tryptophan og fremgangsmaade til fremstilling af en stabil vandig enzymoploesning

Info

Publication number
DK388888A
DK388888A DK388888A DK388888A DK388888A DK 388888 A DK388888 A DK 388888A DK 388888 A DK388888 A DK 388888A DK 388888 A DK388888 A DK 388888A DK 388888 A DK388888 A DK 388888A
Authority
DK
Denmark
Prior art keywords
preparing
procedure
tryptophan
enzyme solution
stable aqueous
Prior art date
Application number
DK388888A
Other languages
English (en)
Other versions
DK388888D0 (da
Inventor
Shoichiro Miyahara
Toshio Matsumoto
Makoto Yanaka
Tooru Miyahara
Kazunari Nitta
Akio Sakaguchi
Original Assignee
Mitsui Toatsu Chemicals
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
Priority claimed from JP62172863A external-priority patent/JPS6416584A/ja
Priority claimed from JP21135587A external-priority patent/JP2575403B2/ja
Application filed by Mitsui Toatsu Chemicals filed Critical Mitsui Toatsu Chemicals
Publication of DK388888D0 publication Critical patent/DK388888D0/da
Publication of DK388888A publication Critical patent/DK388888A/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/88—Lyases (4.)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/96—Stabilising an enzyme by forming an adduct or a composition; Forming enzyme conjugates
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00—Preparation of nitrogen-containing organic compounds
    • C12P13/04—Alpha- or beta- amino acids
    • C12P13/22—Tryptophan; Tyrosine; Phenylalanine; 3,4-Dihydroxyphenylalanine
    • C12P13/227—Tryptophan

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Enzymes And Modification Thereof (AREA)
DK388888A 1987-07-13 1988-07-12 Fremgangsmaade til fremstilling af l-tryptophan og fremgangsmaade til fremstilling af en stabil vandig enzymoploesning DK388888A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62172863A JPS6416584A (en) 1987-07-13 1987-07-13 Preparation of aqueous solution of tryptophan synthase
JP21135587A JP2575403B2 (ja) 1987-08-27 1987-08-27 Ｌ−トリプトファンの製造方法

Publications (2)

Publication Number Publication Date
DK388888D0 DK388888D0 (da) 1988-07-12
DK388888A true DK388888A (da) 1989-01-14

Family

ID=26495068

Family Applications (1)

Application Number Title Priority Date Filing Date
DK388888A DK388888A (da) 1987-07-13 1988-07-12 Fremgangsmaade til fremstilling af l-tryptophan og fremgangsmaade til fremstilling af en stabil vandig enzymoploesning

Country Status (5)

Country Link
EP (1) EP0299715A3 (da)
KR (1) KR900005773B1 (da)
AU (1) AU613057B2 (da)
BR (1) BR8803497A (da)
DK (1) DK388888A (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU611501B2 (en) * 1987-10-12 1991-06-13 Mitsui Toatsu Chemicals Inc. Process for producing l-tryptophane
JPH0722510B2 (ja) * 1988-05-09 1995-03-15 三井東圧化学株式会社 耐熱性トリプトファンシンターゼをコードする遺伝子とその利用
KR100792095B1 (ko) 2006-12-29 2008-01-04 씨제이 주식회사 Ｌ-페닐알라닌 생산능을 갖는 대장균 변이주로부터유전자조작된 ｌ-트립토판 생산능을 갖는 재조합 대장균균주 및 이를 이용한 트립토판 제조방법
US10975031B2 (en) 2014-01-07 2021-04-13 Novasep Process Method for purifying aromatic amino acids
KR102577334B1 (ko) * 2021-05-21 2023-09-08 씨제이제일제당 (주) 암모니아의 지속 가능한 순환이 가능한 방향족 아미노산의 결정화 방법

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111204B (de) * 1960-04-26 1961-07-20 Berlin Chemie Veb Verfahren zur Reinigung von in waessrigen Medien schwerloeslichen Aminosaeuren
DE2855698A1 (de) * 1978-12-22 1980-07-03 Green Cross Corp Verfahren zur herstellung eines urokinase mit einem molekulargewicht von 54 000 + 10 000 enthaltenden praeparats und seine verwendung als fibrinolytikum und thrombolytikum
GB2048266B (en) * 1979-05-09 1983-11-30 Mitsui Toatsu Chemicals Enzymatic preparation of l-tryptophan
GB2152031B (en) * 1984-01-10 1987-07-22 Mitsui Toatsu Chemicals Separating l-tryptophan from fermentation broth

Also Published As

Publication number Publication date
BR8803497A (pt) 1989-01-31
EP0299715A3 (en) 1990-07-04
KR900005773B1 (ko) 1990-08-11
AU1898588A (en) 1989-02-09
KR890002414A (ko) 1989-04-10
EP0299715A2 (en) 1989-01-18
DK388888D0 (da) 1988-07-12
AU613057B2 (en) 1991-07-25

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Legal Events

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