ID Q8X7C2_ECO57 Unreviewed; 196 AA.
AC Q8X7C2; A0A0H3JGC8; A0A6M0JJV4; Q7AEL1;
DT 01-MAR-2002, integrated into UniProtKB/TrEMBL.
DT 01-MAR-2002, sequence version 1.
DT 24-JAN-2024, entry version 138.
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:BAB35265.1};
GN ORFNames=ECs_1842 {ECO:0000313|EMBL:BAB35265.1};
OS Escherichia coli O157:H7.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=83334 {ECO:0000313|EMBL:BAB35265.1, ECO:0000313|Proteomes:UP000000558};
RN [1] {ECO:0000313|EMBL:BAB35265.1, ECO:0000313|Proteomes:UP000000558}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC
RC {ECO:0000313|Proteomes:UP000000558};
RX PubMed=11258796; DOI=.1093/dnares/8.1.11;
RA Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K.,
RA Han C.G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T.,
RA Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S.,
RA Shiba T., Hattori M., Shinagawa H.;
RT "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and
RT genomic comparison with a laboratory strain K-12.";
RL DNA Res. 8:11-22(2001).
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; BA000007; BAB35265.1; -; Genomic_DNA.
DR RefSeq; NP_309869.1; NC_002695.1.
DR RefSeq; WP_001278878.1; NZ_VOAI01000015.1.
DR AlphaFoldDB; Q8X7C2; -.
DR SMR; Q8X7C2; -.
DR STRING; 155864.Z2540; -.
DR GeneID; 912833; -.
DR PATRIC; fig|386585.9.peg.1940; -.
DR eggNOG; COG2109; Bacteria.
DR HOGENOM; CLU_088595_0_0_6; -.
DR OMA; HAMGEGF; -.
DR UniPathway; UPA00148; UER00233.
DR Proteomes; UP000000558; 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 Reference proteome {ECO:0000313|Proteomes:UP000000558};
KW Transferase {ECO:0000256|PIRNR:PIRNR015617}.
FT DOMAIN 3..21
FT /note="Cob(I)alamin adenosyltransferase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF12557"
SQ SEQUENCE 196 AA; 22027 MW; 44E8A297C7DD66DE CRC64;
MSDERYQQRQ QRVKEKVDAR MAQAQDERGI IIVFTGNGKG KTTAAFGTAT RAVGHGKKVG
VVQFIKGTWP NGERNLLEPH GVEFQVMATG FTWDTQNRES DTAACREVWQ HAKRMLADSS
LDLVLLDELT YMVAYDYLPL EEVLQALNER PHQQTVIITG RGCHRDILEL ADTVSELRPV
KHAFDAGVKA QIGIDY
//