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 enzymoploesningInfo
- 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
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)
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 (ko) |
| KR (1) | KR900005773B1 (ko) |
| AU (1) | AU613057B2 (ko) |
| BR (1) | BR8803497A (ko) |
| DK (1) | DK388888A (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE109833T1 (de) * | 1987-10-12 | 1994-08-15 | Mitsui Toatsu Chemicals | Verfahren zur herstellung von l-tryptophan. |
| 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)
| 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 |
| AU566747B2 (en) * | 1984-01-10 | 1987-10-29 | Mitsui Chemicals, Inc. | Method of separating l-tryptophan |
-
1988
- 1988-07-12 EP EP88306349A patent/EP0299715A3/en not_active Ceased
- 1988-07-12 BR BR888803497A patent/BR8803497A/pt not_active Application Discontinuation
- 1988-07-12 DK DK388888A patent/DK388888A/da not_active Application Discontinuation
- 1988-07-12 AU AU18985/88A patent/AU613057B2/en not_active Ceased
- 1988-07-12 KR KR1019880008652A patent/KR900005773B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK388888D0 (da) | 1988-07-12 |
| BR8803497A (pt) | 1989-01-31 |
| AU1898588A (en) | 1989-02-09 |
| EP0299715A3 (en) | 1990-07-04 |
| AU613057B2 (en) | 1991-07-25 |
| EP0299715A2 (en) | 1989-01-18 |
| KR890002414A (ko) | 1989-04-10 |
| KR900005773B1 (ko) | 1990-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |