Term Name: cyclase activity
Synonyms:
Definition: Catalysis of a ring closure reaction.
Ontology: GO: Molecular Function [GO:0009975]    QuickGO    AmiGO

Relationships
is a type of: catalytic activity
has subtype: (-)-E-beta-caryophyllene synthase activity adenylate cyclase activity allene-oxide cyclase activity alpha-humulene synthase activity carboxy-cis,cis-muconate cyclase activity cyclic 2,3-diphosphoglycerate synthetase activity cytidylate cyclase activity D-glutamate cyclase activity FAD-AMP lyase (cyclizing) activity geranyl-diphosphate cyclase activity guanylate cyclase activity halimadienyl-diphosphate synthase activity lycopene beta cyclase activity lycopene epsilon cyclase activity purine imidazole-ring cyclase activity RNA-3'-phosphate cyclase activity sabinene synthase activity solanapyrone synthase activity squalene cyclase activity tocopherol cyclase activity
negatively regulated by: cyclase inhibitor activity
positively regulated by: cyclase activator activity positive regulation of cyclase activity
regulated by: cyclase regulator activity