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Merck
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주요 문서

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T7927

Sigma-Aldrich

L-Tyrosine Decarboxylase Apoenzyme from Streptococcus faecalis

<0.005 unit/mg solid (without pyridoxal 5-phosphate), ≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate)

동의어(들):

L-(−)-Tyrosine Apodecarboxylase, L-Tyrosine Carboxy-lase apoenzyme, TAD

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About This Item

CAS Number:
9002-09-9
효소 위원회 번호:
4.1.1.25 (BRENDA, IUBMB)
EC Number:
232-652-9
MDL number:
MFCD00131472
UNSPSC 코드:
12352204
NACRES:
NA.54

생물학적 소스

Streptococcus faecalis

Quality Level

200

양식

powder

특이 활성도

≥0.05 unit/mg solid (with excess pyridoxal 5-phosphate)
<0.005 unit/mg solid (without pyridoxal 5-phosphate)

저장 온도

−20°C

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애플리케이션

L-Tyrosine decarboxylase apoenzyme from Streptococcus faecalis has been used:
  • in a study to purify and characterize tyrosine decarboxylase and aromatic-L-amino-acid decarboxylase
  • in a study to investigate the stereospecificity of sodium borohydride reduction of tyrosine decarboxylase
  • in protein synthesis studies

생화학적/생리학적 작용

L-Tyrosine Decarboxylase Apoenzyme is an aromatic L-amino acid decarboxylase. The enzyme activity of tyrosine decarboxylase (TDC) is dependent on the cofactor pyridoxal 5-phosphate (PLP). It catalyzes the decarboxylation of dihydroxyphenylalanine.

기타 정보

Dried cells grown on vitamin B6-deficient medium.

단위 정의

One unit will liberate 1.0 μmole of CO2 from L-tyrosine per min at pH 5.5 at 37 °C.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)

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시험 성적서(COA)

Lot/Batch Number
121H00682
121H00681
091H06381
091H06382

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문서 라이브러리 방문

Gunsalus, I.C., and Smith, R.A.
Methods in Enzymology, 3, 963-963 (1957)
Haixia Zhu et al.
Scientific reports, 6, 27779-27779 (2016-06-14)
Tyrosine decarboxylase (TDC) is a pyridoxal 5-phosphate (PLP)-dependent enzyme and is mainly responsible for the synthesis of tyramine, an important biogenic amine. In this study, the crystal structures of the apo and holo forms of Lactobacillus brevis TDC (LbTDC) were
E E Smissman et al.
Journal of medicinal chemistry, 19(1), 161-163 (1976-01-01)
2,2-Dimethyl-4-imidazolidinone derivatives of the alpha-amino acids DL-phenylglycine (1), DL-phenylalanine (2), L-tyrosine (3), L-histidine (4), and L-tryptophan (5) were prepared in order to assess their specificity in inhibiting amino acid decarboxylases. Treatment of th alpha-aminonitriles with acetone in the presence of
J C Vederas et al.
The Journal of biological chemistry, 254(12), 5053-5057 (1979-06-25)
Sodium boro[3H]hydride reduction of tyrosine decarboxylase from Streptococcus faecalis followed by complete hydrolysis of the enzyme produces epsilon-[3H]pyridoxyllysine. Degradation of this material to [4'-3H]pyridoxamine and stereochemical analysis with apoaspartate aminotransferase shows that the re side at C-4' of the cofactor
T Miura et al.
International journal of cancer, 46(5), 931-934 (1990-11-15)
Phenolic melanin precursors can be utilized for the development of anti-melanoma agents. The sulphur homologue of tyrosine, 4-S-cysteinylphenol (CP) and its decarboxylation product, 4-S-cysteaminylphenol (CAP) were shown to be substrates of melanoma tyrosinase, forming melanin-like pigment. Both, but in particular
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