Biology:D-ornithine 4,5-aminomutase
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| D-ornithine 4,5-aminomutase | |||||||||
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| Identifiers | |||||||||
| EC number | 5.4.3.5 | ||||||||
| CAS number | 62213-30-3 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, a D-ornithine 4,5-aminomutase (EC 5.4.3.5) is an enzyme that catalyzes the chemical reaction
- D-ornithine [math]\displaystyle{ \rightleftharpoons }[/math] (2R,4S)-2,4-diaminopentanoate
Hence, this enzyme has one substrate, D-ornithine, and one product, (2R,4S)-2,4-diaminopentanoate.
This enzyme belongs to the family of isomerases, specifically those intramolecular transferases transferring amino groups. The systematic name of this enzyme class is D-ornithine 4,5-aminomutase. Other names in common use include D-alpha-ornithine 5,4-aminomutase, and D-ornithine aminomutase. This enzyme participates in d-arginine and d-ornithine metabolism. It has 3 cofactors: pyridoxal phosphate, Cobamide coenzyme, and Dithiothreitol.
References
- "Purification and properties of a pyridoxal phosphate and coenzyme B 12 dependent D- -ornithine 5,4-aminomutase". Biochemistry 12 (14): 2597–604. 1973. doi:10.1021/bi00738a008. PMID 4711468.
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