D-lysine 5,6-aminomutase

D-lysine 5,6-aminomutase
Identifiers
EC number	5.4.3.4
CAS number	9075-70-1
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 / EGO
Search PMC articles PubMed articles

In enzymology, a D-lysine 5,6-aminomutase (EC 5.4.3.4) is an enzyme that catalyzes the chemical reaction

D-lysine $\rightleftharpoons$ 2,5-diaminohexanoate

Hence, this enzyme has one substrate, D-lysine, and one product, 2,5-diaminohexanoate.

This enzyme belongs to the family of isomerases, specifically those intramolecular transferases transferring amino groups. The systematic name of this enzyme class is D-2,6-diaminohexanoate 5,6-aminomutase. Other names in common use include D-alpha-lysine mutase, and adenosylcobalamin-dependent D-lysine 5,6-aminomutase. This enzyme participates in lysine degradation. It employs one cofactor, cobamide.

References

• Morley CG, Stadtman TC (1970). "Studies on the fermentation of D-alpha-lysine. Purification and properties of an adenosine triphosphate regulated B 12-coenzyme-dependent D-alpha-lysine mutase complex from Clostridium sticklandii". Biochemistry. 9 (25): 4890–900. doi:10.1021/bi00827a010. PMID 5480154. 
• Stadtman TC, Tsai L (1967). "A cobamide coenzyme dependent migration of the epsilon-amino group of D-lysine". Biochem. Biophys. Res. Commun. 28 (6): 920–6. doi:10.1016/0006-291X(67)90067-8. PMID 4229021. 

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