CAIC_ECOK1
ID CAIC_ECOK1 Reviewed; 517 AA.
AC A1A787;
DT 21-AUG-2007, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 2.
DT 25-MAY-2022, entry version 74.
DE RecName: Full=Crotonobetaine/carnitine--CoA ligase {ECO:0000255|HAMAP-Rule:MF_01524};
DE EC=6.2.1.48 {ECO:0000255|HAMAP-Rule:MF_01524};
GN Name=caiC {ECO:0000255|HAMAP-Rule:MF_01524}; OrderedLocusNames=Ecok1_00330;
GN ORFNames=APECO1_1944;
OS Escherichia coli O1:K1 / APEC.
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=405955;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=17293413; DOI=10.1128/jb.01726-06;
RA Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT shares strong similarities with human extraintestinal pathogenic E. coli
RT genomes.";
RL J. Bacteriol. 189:3228-3236(2007).
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 {ECO:0000255|HAMAP-Rule:MF_01524}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-(trimethylamino)butanoate + ATP + CoA = AMP + diphosphate +
CC gamma-butyrobetainyl-CoA; Xref=Rhea:RHEA:55960, ChEBI:CHEBI:16244,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57287,
CC ChEBI:CHEBI:61513, ChEBI:CHEBI:456215; EC=6.2.1.48;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01524};
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; EC=6.2.1.48;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01524};
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 Evidence={ECO:0000255|HAMAP-Rule:MF_01524};
CC -!- PATHWAY: Amine and polyamine metabolism; carnitine metabolism.
CC {ECO:0000255|HAMAP-Rule:MF_01524}.
CC -!- SIMILARITY: Belongs to the ATP-dependent AMP-binding enzyme family.
CC {ECO:0000255|HAMAP-Rule:MF_01524}.
CC -!- SEQUENCE CAUTION:
CC Sequence=ABI99526.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000468; ABI99526.1; ALT_INIT; Genomic_DNA.
DR RefSeq; WP_001350362.1; NC_008563.1.
DR AlphaFoldDB; A1A787; -.
DR SMR; A1A787; -.
DR EnsemblBacteria; ABI99526; ABI99526; APECO1_1944.
DR KEGG; ecv:APECO1_1944; -.
DR HOGENOM; CLU_000022_59_0_6; -.
DR UniPathway; UPA00117; -.
DR Proteomes; UP000008216; Chromosome.
DR GO; GO:0016878; F:acid-thiol ligase activity; IEA:InterPro.
DR GO; GO:0051108; F:carnitine-CoA ligase activity; IEA:InterPro.
DR GO; GO:0051109; F:crotonobetaine-CoA ligase activity; IEA:InterPro.
DR GO; GO:0009437; P:carnitine metabolic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.30.300.30; -; 1.
DR Gene3D; 3.40.50.12780; -; 1.
DR HAMAP; MF_01524; CaiC; 1.
DR InterPro; IPR025110; AMP-bd_C.
DR InterPro; IPR045851; AMP-bd_C_sf.
DR InterPro; IPR020845; AMP-binding_CS.
DR InterPro; IPR000873; AMP-dep_Synth/Lig.
DR InterPro; IPR042099; ANL_N_sf.
DR InterPro; IPR023456; CaiC.
DR Pfam; PF00501; AMP-binding; 1.
DR Pfam; PF13193; AMP-binding_C; 1.
DR PROSITE; PS00455; AMP_BINDING; 1.
PE 3: Inferred from homology;
KW Ligase.
FT CHAIN 1..517
FT /note="Crotonobetaine/carnitine--CoA ligase"
FT /id="PRO_0000298680"
SQ SEQUENCE 517 AA; 58591 MW; D4845015289EC4B9 CRC64;
MDIIGGQHLR QMWDDLADVY GHKTALICES SGGVVNRYSY LELNQEINRT ANLFYTLGIR
KGDKVALHLD NCPEFIFCWF GLAKIGAIMV PINARLLREE STWILQNSQA CLLVTSAQFY
PMYQQIQQED ASQLRHICLI DMALPADDGV SSFTQLKNQQ PATLCYAPPL STDDTAEILF
TSGTTSRPKG VVITHYNLRF AGYYSAWQCA LRDDDVYLTV MPAFHIDCQC TAAMAAFSAG
ATFVLVEKYS ARAFWGQVQK YRATITECIP MMIRTLMVQP PSANDRQHRL REVMFYLNLS
EQEKDAFCER FGVRLLTSYG MTETIVGIIG DRPGDKRRWP SIGRAGFCYE AEIRDDHNRP
LPAGELGEIC IKGVPGKTIF KEYFLNPKAT AKVLEADGWL HTGDTGYRDE EGFFYFVDRR
CNMIKRGGEN VSCVELENII ATHPKIQDIV VVGIKDSIRD EAIKAFVVLN EGETLSEEEF
FCFCEQNMAK FKVPSYLEIR KDLPRNCSGK IIRKNLK