|Superclasses:||Reactions Classified By Conversion Type → Simple Reactions → Chemical Reactions|
|Reactions Classified By Substrate → Small-Molecule Reactions|
EC Number: 188.8.131.52
Enzymes and Genes:
|Aplysia californica :||γ-glutamylhistamine synthetase
The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the direction in which it was curated.
Most BioCyc compounds have been protonated to a reference pH value of 7.3, and some reactions have been computationally balanced for hydrogen by adding free protons. Please see the PGDB Concepts Guide for more information.
Mass balance status: Balanced.
Enzyme Commission Primary Name: γ-glutamylhistamine synthase
Enzyme Commission Synonyms: γ-glutaminylhistamine synθse, γ-GHA synθse
Standard Gibbs Free Energy (ΔrG'° in kcal/mol): -6.51178 [Latendresse13]
Unification Links: KEGG:R07643
Stein82: Stein C, Weinreich D (1982). "An in vitro characterization of gamma-glutamylhistamine synthetase: a novel enzyme catalyzing histamine metabolism in the central nervous system of the marine mollusk, Aplysia californica." J Neurochem 38(1);204-14. PMID: 6125565
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