ID A6VMI4_ACTSZ Unreviewed; 178 AA.
AC A6VMI4;
DT 21-AUG-2007, integrated into UniProtKB/TrEMBL.
DT 21-AUG-2007, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Hypoxanthine phosphoribosyltransferase {ECO:0000256|ARBA:ARBA00014105, ECO:0000256|RuleBase:RU364099};
DE EC=2.4.2.8 {ECO:0000256|ARBA:ARBA00011895, ECO:0000256|RuleBase:RU364099};
GN OrderedLocusNames=Asuc_0811 {ECO:0000313|EMBL:ABR74181.1};
OS Actinobacillus succinogenes (strain ATCC 55618 / DSM 22257 / CCUG 43843 /
OS 130Z).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Actinobacillus.
OX NCBI_TaxID=339671 {ECO:0000313|EMBL:ABR74181.1, ECO:0000313|Proteomes:UP000001114};
RN [1] {ECO:0000313|Proteomes:UP000001114}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 55618 / DSM 22257 / CCUG 43843 / 130Z
RC {ECO:0000313|Proteomes:UP000001114};
RX PubMed=21118570; DOI=10.1186/1471-2164-11-680;
RA McKinlay J.B., Laivenieks M., Schindler B.D., McKinlay A.A.,
RA Siddaramappa S., Challacombe J.F., Lowry S.R., Clum A., Lapidus A.L.,
RA Burkhart K.B., Harkins V., Vieille C.;
RT "A genomic perspective on the potential of Actinobacillus succinogenes for
RT industrial succinate production.";
RL BMC Genomics 11:680-680(2010).
CC -!- FUNCTION: Purine salvage pathway enzyme which catalyzes the transfer of
CC the ribosyl-5-phosphate group from 5-phospho-alpha-D-ribose 1-
CC diphosphate (PRPP) to the N9 position of hypoxanthine to yield IMP
CC (inosine 5'-monophosphate). To a lesser extent, can also act on guanine
CC leading to GMP, but shows a highly less efficient activity with
CC xanthine. {ECO:0000256|ARBA:ARBA00003637}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=diphosphate + GMP = 5-phospho-alpha-D-ribose 1-diphosphate +
CC guanine; Xref=Rhea:RHEA:25424, ChEBI:CHEBI:16235, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:58017, ChEBI:CHEBI:58115; EC=2.4.2.8;
CC Evidence={ECO:0000256|ARBA:ARBA00000210};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:25426;
CC Evidence={ECO:0000256|ARBA:ARBA00000210};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=diphosphate + IMP = 5-phospho-alpha-D-ribose 1-diphosphate +
CC hypoxanthine; Xref=Rhea:RHEA:17973, ChEBI:CHEBI:17368,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:58017, ChEBI:CHEBI:58053; EC=2.4.2.8;
CC Evidence={ECO:0000256|ARBA:ARBA00001442};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:17975;
CC Evidence={ECO:0000256|ARBA:ARBA00001442};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|RuleBase:RU364099};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via salvage pathway; IMP
CC from hypoxanthine: step 1/1. {ECO:0000256|ARBA:ARBA00004669,
CC ECO:0000256|RuleBase:RU364099}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|RuleBase:RU364099}.
CC -!- SIMILARITY: Belongs to the purine/pyrimidine phosphoribosyltransferase
CC family. {ECO:0000256|ARBA:ARBA00008391, ECO:0000256|RuleBase:RU364099}.
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DR EMBL; CP000746; ABR74181.1; -; Genomic_DNA.
DR AlphaFoldDB; A6VMI4; -.
DR STRING; 339671.Asuc_0811; -.
DR KEGG; asu:Asuc_0811; -.
DR eggNOG; COG0634; Bacteria.
DR HOGENOM; CLU_073615_0_0_6; -.
DR OrthoDB; 9802824at2; -.
DR UniPathway; UPA00591; UER00648.
DR Proteomes; UP000001114; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052657; F:guanine phosphoribosyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0004422; F:hypoxanthine phosphoribosyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR GO; GO:0032264; P:IMP salvage; IEA:UniProtKB-UniPathway.
DR GO; GO:0006166; P:purine ribonucleoside salvage; IEA:UniProtKB-KW.
DR CDD; cd06223; PRTases_typeI; 1.
DR Gene3D; 3.40.50.2020; -; 1.
DR InterPro; IPR005904; Hxn_phspho_trans.
DR InterPro; IPR000836; PRibTrfase_dom.
DR InterPro; IPR029057; PRTase-like.
DR NCBIfam; TIGR01203; HGPRTase; 1.
DR PANTHER; PTHR43340:SF1; HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE; 1.
DR PANTHER; PTHR43340; HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE; 1.
DR Pfam; PF00156; Pribosyltran; 1.
DR SUPFAM; SSF53271; PRTase-like; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|RuleBase:RU364099};
KW Glycosyltransferase {ECO:0000256|RuleBase:RU364099,
KW ECO:0000313|EMBL:ABR74181.1};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|RuleBase:RU364099};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU364099};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU364099};
KW Purine salvage {ECO:0000256|ARBA:ARBA00022726,
KW ECO:0000256|RuleBase:RU364099};
KW Reference proteome {ECO:0000313|Proteomes:UP000001114};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU364099}.
FT DOMAIN 24..162
FT /note="Phosphoribosyltransferase"
FT /evidence="ECO:0000259|Pfam:PF00156"
SQ SEQUENCE 178 AA; 20080 MW; 16582BD937EEC534 CRC64;
MKKHHVDVLI SEREVRSRIE SLGEEITAFY QQKQIDKLIV VGLLRGSFIF MADLVRELKL
PVEVEFMTTA SYGTGMTSNH DVKISQDLSG DIKGEHVLIV EDIIDTGYTL DKVHAILALR
DPASLSICTL LDKPSRREVS VPVKWVGFEI PDEFVVGYGI DYAQRYRNLG FIGKVVLE
//
