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EC 2.7.7.65 Details
EC number
2.7.7.65
Accepted name
diguanylate cyclase
Reaction
2 GTP = 2 diphosphate + cyclic di-3′,5′-guanylate
Other name(s)
DGC, PleD
Systematic name
GTP:GTP guanylyltransferase (cyclizing)
CAS registry number
146316-82-7
Comment
A GGDEF-domain-containing protein that requires Mg2+ or Mn2+ for activity. The enzyme can be activated by BeF3, a phosphoryl mimic, which results in dimerization [3]. Dimerization is required but is not sufficient for diguanylate-cyclase activity [3]. Cyclic di-3′,5′-guanylate is an intracellular signalling molecule that controls motility and adhesion in bacterial cells. It was first identified as having a positive allosteric effect on EC 2.4.1.12, cellulose synthase (UDP-forming) [1].
History
created 2008
EC Tree
1.12.7.1 created 1972, deleted 1978
2.7.7.16 created 1961, deleted 1972, [transferred to EC 3.1.4.22, deleted 1980]
2.7.7.17 created 1965, deleted 1972, [transferred to EC 3.1.4.23, deleted 1980]
2.7.7.20 created 1965, deleted 1972
2.7.7.26 created 1961 as EC 3.1.4.8, transferred 1965 to EC 2.7.7.26, deleted 1972
2.7.7.29 created 1972, deleted 2004