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Histidine Ammonia-Lyase MeSH Descriptor Data 2025


MeSH Heading
Histidine Ammonia-Lyase
Tree Number(s)
D08.811.520.232.400.500
Unique ID
D006638
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006638
Annotation
/defic: consider also histidinemia (AMINO ACID METABOLISM, INBORN ERRORS)
Scope Note
An enzyme that catalyzes the first step of histidine catabolism, forming UROCANIC ACID and AMMONIA from HISTIDINE. Deficiency of this enzyme is associated with elevated levels of serum histidine and is called histidinemia (AMINO ACID METABOLISM, INBORN ERRORS).
Entry Term(s)
Histidase
Histidinase
Histidine Deaminase
Histidine alpha-Deaminase
Registry Numbers
EC 4.3.1.3
Related Numbers
9013-75-6
CAS Type 1 Name
L-Histidine ammonia-lyase
Public MeSH Note
98; see HISTIDASE 1991-97, see AMMONIA-LYASES 1973-90
History Note
98(73)
Date Established
1991/01/01
Date of Entry
1999/01/01
Revision Date
2006/07/05
Histidine Ammonia-Lyase Preferred
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