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Descriptor English: Tyrosine Phenol-Lyase
Descriptor Spanish: Tirosina Fenol-Liasa
Descriptor tirosina fenol liasa
Entry term(s) beta-tirosinasa
Scope note: Enzima que cataliza la escisión de tirosina a fenol, piruvato y amoníaco. Es una proteína con fosfato de piridoxal. La enzima también forma piruvato a partir de D-tirosina, L-cisteína, S-metil-L-cisteína, L-serina y D-serina, aunque a menor velocidad. EC 4.1.99.2.
Descriptor Portuguese: Tirosina Fenol-Liase
Descriptor French: Tyrosine phenol-lyase
Entry term(s): Phenol-Lyase, Tyrosine
Tyrosine Phenol Lyase
beta Tyrosinase
beta-Tyrosinase
Tree number(s): D08.811.520.224.900
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D014447
Scope note: An enzyme that catalyzes the cleavage of tyrosine to phenol, pyruvate, and ammonia. It is a pyridoxal phosphate protein. The enzyme also forms pyruvate from D-tyrosine, L-cysteine, S-methyl-L-cysteine, L-serine, and D-serine, although at a slower rate. EC 4.1.99.2.
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AI antagonists & inhibitors
AN analysis
BI biosynthesis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
DE drug effects
DF deficiency
EC economics
GE genetics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UL ultrastructure
UR urine
Registry Number: EC 4.1.99.2
CAS Type 1 Name: L-Tyrosine phenol-lyase (deaminating)
Previous Indexing: Lyases (1972-1974)
Phenols (1974)
Tyrosine (1972-1974)
Public MeSH Note: 91; was see under LYASES 1975-90
History Note: 91(75); was see under LYASES 1975-90
DeCS ID: 14846
Unique ID: D014447
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1991/01/01
Date of Entry: 1974/11/19
Revision Date: 2003/07/09
Tyrosine Phenol-Lyase - Preferred
Concept UI M0022207
Scope note An enzyme that catalyzes the cleavage of tyrosine to phenol, pyruvate, and ammonia. It is a pyridoxal phosphate protein. The enzyme also forms pyruvate from D-tyrosine, L-cysteine, S-methyl-L-cysteine, L-serine, and D-serine, although at a slower rate. EC 4.1.99.2.
Preferred term Tyrosine Phenol-Lyase
Entry term(s) Phenol-Lyase, Tyrosine
Tyrosine Phenol Lyase
beta Tyrosinase
beta-Tyrosinase



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