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CAIC_ECO45
ID   CAIC_ECO45              Reviewed;         517 AA.
AC   B7MAG0;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-SEP-2009, sequence version 2.
DT   25-MAY-2022, entry version 67.
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=ECS88_0040;
OS   Escherichia coli O45:K1 (strain S88 / ExPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585035;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=S88 / ExPEC;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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=CAR01406.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CU928161; CAR01406.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_001514435.1; NC_011742.1.
DR   AlphaFoldDB; B7MAG0; -.
DR   SMR; B7MAG0; -.
DR   EnsemblBacteria; CAR01406; CAR01406; ECS88_0040.
DR   KEGG; ecz:ECS88_0040; -.
DR   HOGENOM; CLU_000022_59_0_6; -.
DR   UniPathway; UPA00117; -.
DR   Proteomes; UP000000747; 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_0000383399"
SQ   SEQUENCE   517 AA;  58522 MW;  5F3E21CEC7AB5B12 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 FGVSLLTSYG MTETIVGIIG DRPGDKRRWP SIGRAGFCYE AEIRDDHNRP
     LPAGELGEIC IKGVPGKTIF KEYFLNPKAT AKVLEADGWL HTGDTGYRDE EGFFYFVDRR
     CNMIKRGGEN VSCVELENII ATHPKIQDIV VVGIKDSIRD EAIKAFVVLN EGETLSEEEF
     FCFCEQNMAK FKVPSYLEIR KDLPRNCSGK IIRKNLK
 
 
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