histidine ammonia-lyase

histidine ammonia-lyase
his·ti·dine am·mo·nia-ly·ase (hisґtĭ-dēn ə-moґne-ə liґās) [EC 4.3.1.3] an enzyme of the lyase class that catalyzes the deamination of histidine to urocanate, the initial step of histidine catabolism. Deficiency of the enzyme, an autosomal recessive trait, causes histidinemia. Called also histidase.

Medical dictionary. 2011.

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  • Histidine ammonia-lyase — protein Name=histidine ammonia lyase caption= width= HGNCid=4806 Symbol=HAL AltSymbols=HIS EntrezGene=3034 OMIM=609457 RefSeq=NM 002108 UniProt=P42357 PDB= ECnumber=4.3.1.3 Chromosome=12 Arm=q Band=22 LocusSupplementaryData= q24.1Histidine… …   Wikipedia

  • ammonia-lyase — am·mo·nia ly·ase (ə mōnґyə liґās) [EC 4.3.1] a sub subclass of enzymes of the lyase class that catalyze the formation of a C C bond in a molecule by liberation of ammonia, e.g., histidine ammonia lyase …   Medical dictionary

  • Histidine — NatOrganicBox name=2 amino 3 (3H imidazol 4 yl)propanoic acid synonyms=Imidazole alanine PubChem = 773 CAS = 71 00 1 SMILES = N [C@@H] (Cc1 [nH] cnc1)C(O)=O C=6 | H=9 | N=3 | O=2 mass=155.16 g/molHistidine (abbreviated as His or H) [cite web |… …   Wikipedia

  • histidine — α Amino β (4 imidazolyl)propionic acid; the l isomer is a basic amino acid found in most proteins. It is a nutritionally essential amino acid in mammals. h. ammonia lyase an enzyme catalyzing deamination of l h. to urocanate and ammonia; this… …   Medical dictionary

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  • List of EC numbers (EC 4) — This list contains a list of EC numbers for the fourth group, EC 4, lyases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology.EC 4.1: Carbon Carbon LyasesEC… …   Wikipedia

  • Amino acid — This article is about the class of chemicals. For the structures and properties of the standard proteinogenic amino acids, see Proteinogenic amino acid. The generic structure of an alpha amino acid in its unionized form …   Wikipedia

  • Metabolism — Cell metabolism redirects here. For the journal, see Cell Metabolism. Structure of adenosine triphosphate, a central intermediate in energy metabolism Metabolism (from Greek: μεταβολή metabolē , change or Greek: μεταβολισμός metabolismos,… …   Wikipedia

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