Structured Summary
Abstract
A multifunctional pyridoxal phosphate enzyme. In the final step in the biosynthesis of cysteine it catalyzes the cleavage of cystathionine to yield cysteine, ammonia, and 2-ketobutyrate. EC 4.4.1.1.
MeSH Record
Classification
Broader headings
Related Concepts
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MeSH Record
Synonyms
15 entry terms
- Cystathionase
- Cysteine Desulfhydrase
- Cystine Desulfhydrase
- Cystine Desulfohydrolase
- Homoserine Deaminase
- Homoserine Dehydratase
- gamma-Cystathionase
- Cystathionine gamma Lyase
- Deaminase, Homoserine
- Dehydratase, Homoserine
- Desulfhydrase, Cysteine
- Desulfhydrase, Cystine
- Desulfohydrolase, Cystine
- gamma Cystathionase
- gamma-Lyase, Cystathionine
MeSH Record
Aspects Covered
29 allowable subheadings
Indexed with the subheadings administration & dosage, adverse effects, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, ultrastructure, urine.
MeSH Record
Indexing Annotation
/defic: consider also CYSTATHIONINE /urine (IM) + AMINO ACID METABOLISM, INBORN ERRORS (IM)
MeSH Record
History Note
91(75); was see under LYASES 1975-90
MeSH Record
Previous Indexing
- Cysteine (1973-1974)
- Homoserine (1973-1974)
- Lyases (1973-1974)
MeSH Hierarchy
Tree Number
AMA Style
References
- National Library of Medicine. Cystathionine gamma-Lyase. Medical Subject Headings (MeSH). 2026. Unique ID D003542. http://id.nlm.nih.gov/mesh/2026/D003542
- Cystathionine gamma-Lyase. In: Wikidata. https://www.wikidata.org/wiki/Q21157860