page_title: Methylaspartate ammonia-lyase
hierarchical_section_title: Methylaspartate ammonia-lyase
caption_attribution_description: English: X-ray structure of methylaspartate ammonia lyase.
context_page_description: In enzymology, a methylaspartate ammonia-lyase is an enzyme that catalyzes the chemical reaction
  L-threo-3-methylaspartate mesaconate + NH₃
  Hence, this enzyme has one substrate, L-threo-3-methylaspartate, and two products, mesaconate and NH₃.
  This enzyme belongs to the family of lyases, specifically ammonia lyases, which cleave carbon-nitrogen bonds. The systematic name of this enzyme class is L-threo-3-methylaspartate ammonia-lyase. Other names in common use include beta-methylaspartase, 3-methylaspartase, and L-threo-3-methylaspartate ammonia-lyase. This enzyme participates in c5-branched dibasic acid metabolism and nitrogen metabolism. It employs one cofactor, cobamide.
context_section_description: In enzymology, a methylaspartate ammonia-lyase (EC 4.3.1.2) is an enzyme that catalyzes the chemical reaction
  L-threo-3-methylaspartate  mesaconate + NH₃
  Hence, this enzyme has one substrate, L-threo-3-methylaspartate, and two products, mesaconate and NH₃.
  This enzyme belongs to the family of lyases, specifically ammonia lyases, which cleave carbon-nitrogen bonds.  The systematic name of this enzyme class is L-threo-3-methylaspartate ammonia-lyase (mesaconate-forming). Other names in common use include beta-methylaspartase, 3-methylaspartase, and L-threo-3-methylaspartate ammonia-lyase.  This enzyme participates in c5-branched dibasic acid metabolism and nitrogen metabolism.  It employs one cofactor, cobamide.
caption: X-ray structure of methylaspartate ammonia lyase. PDB entry 1kko​[1]
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