ID B1XNM7_SYNP2 Unreviewed; 185 AA.
AC B1XNM7;
DT 20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT 20-MAY-2008, sequence version 1.
DT 24-JAN-2024, entry version 92.
DE RecName: Full=Adenosylcobinamide kinase {ECO:0000256|ARBA:ARBA00029570};
DE EC=2.7.1.156 {ECO:0000256|ARBA:ARBA00012016};
DE EC=2.7.7.62 {ECO:0000256|ARBA:ARBA00012523};
DE AltName: Full=Adenosylcobinamide-phosphate guanylyltransferase {ECO:0000256|ARBA:ARBA00030571};
GN Name=cobU {ECO:0000313|EMBL:ACA99552.1};
GN OrderedLocusNames=SYNPCC7002_A1561 {ECO:0000313|EMBL:ACA99552.1};
OS Synechococcus sp. (strain ATCC 27264 / PCC 7002 / PR-6) (Agmenellum
OS quadruplicatum).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Chroococcales; Geminocystaceae; Picosynechococcus.
OX NCBI_TaxID=32049 {ECO:0000313|EMBL:ACA99552.1, ECO:0000313|Proteomes:UP000001688};
RN [1] {ECO:0000313|Proteomes:UP000001688}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27264 / PCC 7002 / PR-6
RC {ECO:0000313|Proteomes:UP000001688};
RA Li T., Zhao J., Zhao C., Liu Z., Zhao F., Marquardt J., Nomura C.T.,
RA Persson S., Detter J.C., Richardson P.M., Lanz C., Schuster S.C., Wang J.,
RA Li S., Huang X., Cai T., Yu Z., Luo J., Zhao J., Bryant D.A.;
RT "Complete sequence of Synechococcus sp. PCC 7002.";
RL Submitted (FEB-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}.
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 -!- 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 -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC adenosylcobalamin from cob(II)yrinate a,c-diamide: step 5/7.
CC {ECO:0000256|ARBA:ARBA00005159}.
CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC adenosylcobalamin from cob(II)yrinate a,c-diamide: step 6/7.
CC {ECO:0000256|ARBA:ARBA00004692}.
CC -!- SIMILARITY: Belongs to the CobU/CobP family.
CC {ECO:0000256|ARBA:ARBA00007490}.
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DR EMBL; CP000951; ACA99552.1; -; Genomic_DNA.
DR RefSeq; WP_012307175.1; NZ_JAHHPU010000002.1.
DR AlphaFoldDB; B1XNM7; -.
DR STRING; 32049.SYNPCC7002_A1561; -.
DR KEGG; syp:SYNPCC7002_A1561; -.
DR eggNOG; COG2087; Bacteria.
DR HOGENOM; CLU_094161_0_1_3; -.
DR OMA; DCLTVWL; -.
DR UniPathway; UPA00148; UER00236.
DR Proteomes; UP000001688; Chromosome.
DR GO; GO:0043752; F:adenosylcobinamide kinase activity; IEA:UniProtKB-EC.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0008820; F:cobinamide phosphate guanylyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniPathway.
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};
KW GTP-binding {ECO:0000256|PIRSR:PIRSR006135-2};
KW Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000313|EMBL:ACA99552.1};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRSR:PIRSR006135-2};
KW Nucleotidyltransferase {ECO:0000313|EMBL:ACA99552.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000001688};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:ACA99552.1}.
FT ACT_SITE 52
FT /note="GMP-histidine intermediate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-1"
FT BINDING 9..16
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 34..36
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 53..56
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 85
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
SQ SEQUENCE 185 AA; 20857 MW; 9017C5BDAB845607 CRC64;
MGQTILVTGA VRSGKSEWAE HLALQSQRPV TYIATATENP DDPEWMARIQ HHRDRRPKNW
GFMGESVHLT EAMRRIPEDH CILVDSLGLW VANHLETEPA PWYQLTTAFL EAIKSSPRML
ILVAEETGWG LVPTYPLGRL FRDRLGRLIR EVGLVSDQVY LLVGGHALDI KTLGHPLPPV
KMPLS
//