Search on: 5-AMINOLEVULINATE SYNTHETASE 
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Descriptor English:   5-Aminolevulinate Synthetase 
Descriptor Spanish:   5-Aminolevulinato Sintetasa 
Descriptor Portuguese:   5-Aminolevulinato Sintetase 
Synonyms English:   Aminolevulinic Acid Synthetase
delta-Aminolevulinate Synthase  
Tree Number:   D08.811.913.050.276
Definition English:   An enzyme of the transferase class that catalyzes condensation of the succinyl group from succinyl coenzyme A with glycine to form delta-aminolevulinate. It is a pyridoxyal phosphate protein and the reaction occurs in mitochondria as the first step of the heme biosynthetic pathway. The enzyme is a key regulatory enzyme in heme biosynthesis. In liver feedback is inhibited by heme. EC 2.3.1.37. 
History Note English:   98(72) 
Allowable Qualifiers English:  
administration & dosage adverse effects
antagonists & inhibitors analysis
biosynthesis blood
cerebrospinal fluid chemistry
classification chemical synthesis
contraindications drug effects
deficiency diagnostic use
economics genetics
history immunology
isolation & purification metabolism
pharmacology physiology
pharmacokinetics poisoning
radiation effects supply & distribution
secretion standards
toxicity therapeutic use
ultrastructure urine
Record Number:   634 
Unique Identifier:   D000624 

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