AC MF_01524; DC Protein; auto TR HAMAP; MF_01524; -; 1; level=0 XX Names: CaiC XX ID CAIC DE RecName: Full=Crotonobetaine/carnitine--CoA ligase; DE EC=6.2.1.48; GN Name=caiC; XX CC -!- FUNCTION: Catalyzes the transfer of CoA to carnitine, generating the CC initial carnitinyl-CoA needed for the CaiB reaction cycle. Also has CC activity toward crotonobetaine and gamma-butyrobetaine. CC -!- CATALYTIC ACTIVITY: CC Reaction=(R)-carnitine + ATP + CoA = (R)-carnitinyl-CoA + AMP + CC diphosphate; Xref=Rhea:RHEA:28514, ChEBI:CHEBI:16347, CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57287, CC ChEBI:CHEBI:60932, ChEBI:CHEBI:456215; EC=6.2.1.48; CC -!- CATALYTIC ACTIVITY: CC Reaction=ATP + CoA + crotonobetaine = AMP + crotonobetainyl-CoA + CC diphosphate; Xref=Rhea:RHEA:30079, ChEBI:CHEBI:17237, CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57287, CC ChEBI:CHEBI:60933, ChEBI:CHEBI:456215; CC -!- CATALYTIC ACTIVITY: CC Reaction=4-(trimethylamino)butanoate + ATP + CoA = 4- CC (trimethylamino)butanoyl-CoA + AMP + diphosphate; CC Xref=Rhea:RHEA:55960, ChEBI:CHEBI:16244, ChEBI:CHEBI:30616, CC ChEBI:CHEBI:33019, ChEBI:CHEBI:57287, ChEBI:CHEBI:61513, CC ChEBI:CHEBI:456215; CC -!- PATHWAY: Amine and polyamine metabolism; carnitine metabolism. CC -!- SIMILARITY: Belongs to the ATP-dependent AMP-binding enzyme family. XX DR Pfam; PF00501; AMP-binding; 1; trigger=no DR PRINTS; PR00154; AMPBINDING; 1; trigger=no DR PROSITE; PS00455; AMP_BINDING; 1; trigger=no XX KW Ligase XX GO GO:0016405; F:CoA-ligase activity XX FT None XX Size: 510-518; Related: None; Template: P31552; Scope: Bacteria; Enterobacterales Fusion: Nter: None Cter: None Duplicate: None Plasmid: None Comments: None XX # Revision 1.16 2022/12/15 //