ID B1ZEC4_METPB Unreviewed; 178 AA.
AC B1ZEC4;
DT 20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT 20-MAY-2008, sequence version 1.
DT 27-MAR-2024, entry version 98.
DE RecName: Full=Bifunctional adenosylcobalamin biosynthesis protein {ECO:0000256|PIRNR:PIRNR006135};
DE EC=2.7.1.156 {ECO:0000256|PIRNR:PIRNR006135};
DE EC=2.7.7.62 {ECO:0000256|PIRNR:PIRNR006135};
GN OrderedLocusNames=Mpop_1442 {ECO:0000313|EMBL:ACB79609.1};
OS Methylorubrum populi (strain ATCC BAA-705 / NCIMB 13946 / BJ001)
OS (Methylobacterium populi).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Methylobacteriaceae; Methylorubrum.
OX NCBI_TaxID=441620 {ECO:0000313|EMBL:ACB79609.1, ECO:0000313|Proteomes:UP000007136};
RN [1] {ECO:0000313|EMBL:ACB79609.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BJ001 {ECO:0000313|EMBL:ACB79609.1};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA Kyrpides N., Mikhailova N., Marx C., Richardson P.;
RT "Complete sequence of chromosome of Methylobacterium populi BJ001.";
RL Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes ATP-dependent phosphorylation of adenosylcobinamide
CC and addition of GMP to adenosylcobinamide phosphate.
CC {ECO:0000256|ARBA:ARBA00003889, ECO:0000256|PIRNR:PIRNR006135}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosylcob(III)inamide + ATP = adenosylcob(III)inamide
CC phosphate + ADP + H(+); Xref=Rhea:RHEA:15769, ChEBI:CHEBI:2480,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:58502,
CC ChEBI:CHEBI:456216; EC=2.7.1.156;
CC Evidence={ECO:0000256|ARBA:ARBA00000312,
CC ECO:0000256|PIRNR:PIRNR006135};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosylcob(III)inamide + GTP = adenosylcob(III)inamide
CC phosphate + GDP + H(+); Xref=Rhea:RHEA:15765, ChEBI:CHEBI:2480,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:37565, ChEBI:CHEBI:58189,
CC ChEBI:CHEBI:58502; EC=2.7.1.156;
CC Evidence={ECO:0000256|ARBA:ARBA00001522};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosylcob(III)inamide phosphate + GTP + H(+) =
CC adenosylcob(III)inamide-GDP + diphosphate; Xref=Rhea:RHEA:22712,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:33019, ChEBI:CHEBI:37565,
CC ChEBI:CHEBI:58502, ChEBI:CHEBI:60487; EC=2.7.7.62;
CC Evidence={ECO:0000256|ARBA:ARBA00000711,
CC ECO:0000256|PIRNR:PIRNR006135};
CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC adenosylcobalamin from cob(II)yrinate a,c-diamide: step 5/7.
CC {ECO:0000256|ARBA:ARBA00005159, ECO:0000256|PIRNR:PIRNR006135}.
CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC adenosylcobalamin from cob(II)yrinate a,c-diamide: step 6/7.
CC {ECO:0000256|ARBA:ARBA00004692, ECO:0000256|PIRNR:PIRNR006135}.
CC -!- SIMILARITY: Belongs to the CobU/CobP family.
CC {ECO:0000256|ARBA:ARBA00007490, ECO:0000256|PIRNR:PIRNR006135}.
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DR EMBL; CP001029; ACB79609.1; -; Genomic_DNA.
DR AlphaFoldDB; B1ZEC4; -.
DR STRING; 441620.Mpop_1442; -.
DR KEGG; mpo:Mpop_1442; -.
DR eggNOG; COG2087; Bacteria.
DR HOGENOM; CLU_094161_0_1_5; -.
DR UniPathway; UPA00148; UER00236.
DR Proteomes; UP000007136; Chromosome.
DR GO; GO:0036429; F:adenosylcobinamide kinase (ATP-specific) activity; IEA:RHEA.
DR GO; GO:0036428; F:adenosylcobinamide kinase (GTP-specific) activity; IEA:RHEA.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008820; F:cobinamide phosphate guanylyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR CDD; cd00544; CobU; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR InterPro; IPR003203; CobU/CobP.
DR InterPro; IPR027417; P-loop_NTPase.
DR PANTHER; PTHR34848; -; 1.
DR PANTHER; PTHR34848:SF1; BIFUNCTIONAL ADENOSYLCOBALAMIN BIOSYNTHESIS PROTEIN COBU; 1.
DR Pfam; PF02283; CobU; 1.
DR PIRSF; PIRSF006135; CobU; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PIRNR:PIRNR006135};
KW Cobalamin biosynthesis {ECO:0000256|PIRNR:PIRNR006135};
KW GTP-binding {ECO:0000256|PIRNR:PIRNR006135, ECO:0000256|PIRSR:PIRSR006135-
KW 2}; Kinase {ECO:0000256|PIRNR:PIRNR006135};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRNR:PIRNR006135};
KW Nucleotidyltransferase {ECO:0000313|EMBL:ACB79609.1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR006135}.
FT ACT_SITE 55
FT /note="GMP-histidine intermediate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-1"
FT BINDING 14..21
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 39..41
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 56..59
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 86
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
SQ SEQUENCE 178 AA; 18994 MW; 9247A43ABE72793D CRC64;
MTEAAPDRMT LVLGGARSGK SAYAERLIEA CPAPWLYIAT AQAWDDEMRV RIGEHRARRS
DSWRTLDVPT ALPEAVAAAT GPVLVDCLTL WLTNLLLAEA DLDAATEALA RACAAAPGPL
VLVANEVGLG IVPDNALARR FRDAAGRLHQ RLARDADRVV LTVAGLPLTV KPSRENPA
//
