ID B1LH21_ECOSM Unreviewed; 196 AA.
AC B1LH21;
DT 29-APR-2008, integrated into UniProtKB/TrEMBL.
DT 29-APR-2008, sequence version 1.
DT 27-MAR-2024, entry version 80.
DE RecName: Full=Corrinoid adenosyltransferase {ECO:0000256|ARBA:ARBA00012454, ECO:0000256|PIRNR:PIRNR015617};
DE EC=2.5.1.17 {ECO:0000256|ARBA:ARBA00012454, ECO:0000256|PIRNR:PIRNR015617};
DE AltName: Full=Cob(II)alamin adenosyltransferase {ECO:0000256|PIRNR:PIRNR015617};
DE AltName: Full=Cob(II)yrinic acid a,c-diamide adenosyltransferase {ECO:0000256|PIRNR:PIRNR015617};
GN Name=btuR {ECO:0000313|EMBL:ACB16856.1};
GN OrderedLocusNames=EcSMS35_1861 {ECO:0000313|EMBL:ACB16856.1};
OS Escherichia coli (strain SMS-3-5 / SECEC).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=439855 {ECO:0000313|EMBL:ACB16856.1, ECO:0000313|Proteomes:UP000007011};
RN [1] {ECO:0000313|EMBL:ACB16856.1, ECO:0000313|Proteomes:UP000007011}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SMS-3-5 / SECEC {ECO:0000313|Proteomes:UP000007011};
RX PubMed=18708504; DOI=10.1128/JB.00661-08;
RA Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C.,
RA Ravel J., Stepanauskas R.;
RT "Insights into the environmental resistance gene pool from the genome
RT sequence of the multidrug-resistant environmental isolate Escherichia coli
RT SMS-3-5.";
RL J. Bacteriol. 190:6779-6794(2008).
CC -!- FUNCTION: Required for both de novo synthesis of the corrin ring for
CC the assimilation of exogenous corrinoids. Participates in the
CC adenosylation of a variety of incomplete and complete corrinoids.
CC {ECO:0000256|ARBA:ARBA00024929, ECO:0000256|PIRNR:PIRNR015617}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 ATP + 2 cob(II)alamin + reduced [electron-transfer
CC flavoprotein] = 2 adenosylcob(III)alamin + 3 H(+) + oxidized
CC [electron-transfer flavoprotein] + 2 triphosphate;
CC Xref=Rhea:RHEA:28671, Rhea:RHEA-COMP:10685, Rhea:RHEA-COMP:10686,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16304, ChEBI:CHEBI:18036,
CC ChEBI:CHEBI:18408, ChEBI:CHEBI:30616, ChEBI:CHEBI:57692,
CC ChEBI:CHEBI:58307; EC=2.5.1.17;
CC Evidence={ECO:0000256|ARBA:ARBA00001328,
CC ECO:0000256|PIRNR:PIRNR015617};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 ATP + 2 cob(II)yrinate a,c diamide + reduced [electron-
CC transfer flavoprotein] = 2 adenosylcob(III)yrinate a,c-diamide + 3
CC H(+) + oxidized [electron-transfer flavoprotein] + 2 triphosphate;
CC Xref=Rhea:RHEA:11528, Rhea:RHEA-COMP:10685, Rhea:RHEA-COMP:10686,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:18036, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:57692, ChEBI:CHEBI:58307, ChEBI:CHEBI:58503,
CC ChEBI:CHEBI:58537; EC=2.5.1.17;
CC Evidence={ECO:0000256|ARBA:ARBA00000143,
CC ECO:0000256|PIRNR:PIRNR015617};
CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC adenosylcobalamin from cob(II)yrinate a,c-diamide: step 2/7.
CC {ECO:0000256|ARBA:ARBA00005121, ECO:0000256|PIRNR:PIRNR015617}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|PIRNR:PIRNR015617}.
CC -!- SIMILARITY: Belongs to the Cob(I)alamin adenosyltransferase family.
CC {ECO:0000256|ARBA:ARBA00007487, ECO:0000256|PIRNR:PIRNR015617}.
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DR EMBL; CP000970; ACB16856.1; -; Genomic_DNA.
DR RefSeq; WP_001278893.1; NC_010498.1.
DR AlphaFoldDB; B1LH21; -.
DR KEGG; ecm:EcSMS35_1861; -.
DR HOGENOM; CLU_088595_0_0_6; -.
DR UniPathway; UPA00148; UER00233.
DR Proteomes; UP000007011; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008817; F:corrinoid adenosyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006779; P:porphyrin-containing compound biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd00561; CobA_ACA; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR InterPro; IPR003724; CblAdoTrfase_CobA.
DR InterPro; IPR025826; Co_AT_N_dom.
DR InterPro; IPR027417; P-loop_NTPase.
DR NCBIfam; TIGR00708; cobA; 1.
DR PANTHER; PTHR46638; CORRINOID ADENOSYLTRANSFERASE; 1.
DR PANTHER; PTHR46638:SF1; CORRINOID ADENOSYLTRANSFERASE; 1.
DR Pfam; PF12557; Co_AT_N; 1.
DR Pfam; PF02572; CobA_CobO_BtuR; 1.
DR PIRSF; PIRSF015617; Adensltrnsf_CobA; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|PIRNR:PIRNR015617};
KW Cobalamin biosynthesis {ECO:0000256|PIRNR:PIRNR015617};
KW Cytoplasm {ECO:0000256|PIRNR:PIRNR015617};
KW Nucleotide-binding {ECO:0000256|PIRNR:PIRNR015617};
KW Porphyrin biosynthesis {ECO:0000256|ARBA:ARBA00023244,
KW ECO:0000256|PIRNR:PIRNR015617};
KW Transferase {ECO:0000256|PIRNR:PIRNR015617, ECO:0000313|EMBL:ACB16856.1}.
FT DOMAIN 3..21
FT /note="Cob(I)alamin adenosyltransferase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF12557"
SQ SEQUENCE 196 AA; 22023 MW; 5AE1D049C74C2461 CRC64;
MSDERYQQRQ QRVKEKVDAR VAQAQDERGI IIVFTGNGKG KTTAAFGTAT RAVGHGKKVG
VVQFIKGTWP NGERNLLEPH GVEFQVMATG FTWDTQNRES DTAACREVWQ HAKRMLADPS
LDMVLLDELT YMVAYDYLPL EEVVQALNER PHQQTVIITG RGCHRDILEL ADTVSELRPI
KHAFDAGVKA QIGIDY
//
