Cytidylate cyclase

cytidylate cyclase
Identifiers
EC number	4.6.1.6
CAS number	65357-82-6
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 cytidylate cyclase (EC 4.6.1.6) is an enzyme that catalyzes the chemical reaction

CTP $\rightleftharpoons$ 3',5'-cyclic CMP + diphosphate

Hence, this enzyme has one substrate, CTP, and two products, 3',5'-cyclic CMP and diphosphate.

This enzyme belongs to the family of lyases, specifically the class of phosphorus-oxygen lyases. The systematic name of this enzyme class is CTP diphosphate-lyase (cyclizing; 3',5'-cyclic-CMP-forming). Other names in common use include 3',5'-cyclic-CMP synthase, cytidylyl cyclase, cytidyl cyclase, and CTP diphosphate-lyase (cyclizing).

References

• Cech SY, Ignarro LJ (1978). "Cytidine 3',5'-monophosphate (cyclic CMP) formation by homogenates of mouse liver". Biochem. Biophys. Res. Commun. 80 (1): 119–25. doi:10.1016/0006-291X(78)91112-9. PMID 23778. 
• JH (1985). "3',5'-Cyclic UMP, -cyclic IMP, -cyclic TMP and related enzymes in mammalian-tissues". Biochem. Soc. Trans. 13: 1134–1135. 

B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6