ID E1V8S7_HALED Unreviewed; 178 AA.
AC E1V8S7;
DT 30-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2010, sequence version 1.
DT 27-MAR-2024, entry version 58.
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 Name=cobU {ECO:0000313|EMBL:CBV41702.1};
GN OrderedLocusNames=HELO_1818 {ECO:0000313|EMBL:CBV41702.1};
OS Halomonas elongata (strain ATCC 33173 / DSM 2581 / NBRC 15536 / NCIMB 2198
OS / 1H9).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=768066 {ECO:0000313|EMBL:CBV41702.1, ECO:0000313|Proteomes:UP000008707};
RN [1] {ECO:0000313|Proteomes:UP000008707}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 33173 / DSM 2581 / NBRC 15536 / NCIMB 2198 / 1H9
RC {ECO:0000313|Proteomes:UP000008707};
RX PubMed=20849449; DOI=10.1111/j.1462-2920.2010.02336.x;
RA Schwibbert K., Marin-Sanguino A., Bagyan I., Heidrich G., Lentzen G.,
RA Seitz H., Rampp M., Schuster S.C., Klenk H.P., Pfeiffer F., Oesterhelt D.,
RA Kunte H.J.;
RT "A blueprint of ectoine metabolism from the genome of the industrial
RT producer Halomonas elongata DSM 2581(T).";
RL Environ. Microbiol. 13:1973-1994(2011).
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; FN869568; CBV41702.1; -; Genomic_DNA.
DR AlphaFoldDB; E1V8S7; -.
DR STRING; 768066.HELO_1818; -.
DR KEGG; hel:HELO_1818; -.
DR eggNOG; COG2087; Bacteria.
DR HOGENOM; CLU_094161_1_1_6; -.
DR OrthoDB; 9788370at2; -.
DR UniPathway; UPA00148; UER00236.
DR Proteomes; UP000008707; 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 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, ECO:0000313|EMBL:CBV41702.1};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRNR:PIRNR006135};
KW Nucleotidyltransferase {ECO:0000313|EMBL:CBV41702.1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR006135}.
FT ACT_SITE 52
FT /note="GMP-histidine intermediate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-1"
FT BINDING 7..14
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR006135-2"
FT BINDING 36..38
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 64
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 178 AA; 19266 MW; DE4B244B9D74CE19 CRC64;
MITFVSGGAR SGKSAVAEQR VRATSGARGV ACYYLATARA GDAEMARRID RHRRERGEGW
ITLEAPLDLP GALERVTPGS AVLLDCLTLW ASQAMFEAGL DASEGRAMLA RTLGEARRRA
LDLVVVSNDL NEDVPPRHAV ARRYLAFLQA LHRDLAREAD RVIEVVAGQA IDWKGGDG
//
