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HPRT_METBU
ID   HPRT_METBU              Reviewed;         190 AA.
AC   Q12W31;
DT   22-FEB-2012, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Hypoxanthine/guanine phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_01467};
DE            Short=HGPRTase {ECO:0000255|HAMAP-Rule:MF_01467};
DE            EC=2.4.2.8 {ECO:0000255|HAMAP-Rule:MF_01467};
GN   Name=hpt {ECO:0000255|HAMAP-Rule:MF_01467}; OrderedLocusNames=Mbur_1435;
OS   Methanococcoides burtonii (strain DSM 6242 / NBRC 107633 / OCM 468 /
OS   ACE-M).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanococcoides.
OX   NCBI_TaxID=259564;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 6242 / NBRC 107633 / OCM 468 / ACE-M;
RX   PubMed=19404327; DOI=10.1038/ismej.2009.45;
RA   Allen M.A., Lauro F.M., Williams T.J., Burg D., Siddiqui K.S.,
RA   De Francisci D., Chong K.W., Pilak O., Chew H.H., De Maere M.Z., Ting L.,
RA   Katrib M., Ng C., Sowers K.R., Galperin M.Y., Anderson I.J., Ivanova N.,
RA   Dalin E., Martinez M., Lapidus A., Hauser L., Land M., Thomas T.,
RA   Cavicchioli R.;
RT   "The genome sequence of the psychrophilic archaeon, Methanococcoides
RT   burtonii: the role of genome evolution in cold adaptation.";
RL   ISME J. 3:1012-1035(2009).
CC   -!- FUNCTION: Catalyzes a salvage reaction resulting in the formation of
CC       IMP that is energically less costly than de novo synthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_01467}.
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:0000255|HAMAP-Rule:MF_01467};
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:0000255|HAMAP-Rule:MF_01467};
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via salvage pathway; IMP
CC       from hypoxanthine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_01467}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01467}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01467}.
CC   -!- SIMILARITY: Belongs to the purine/pyrimidine phosphoribosyltransferase
CC       family. Archaeal HPRT subfamily. {ECO:0000255|HAMAP-Rule:MF_01467}.
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DR   EMBL; CP000300; ABE52345.1; -; Genomic_DNA.
DR   RefSeq; WP_011499490.1; NC_007955.1.
DR   AlphaFoldDB; Q12W31; -.
DR   SMR; Q12W31; -.
DR   STRING; 259564.Mbur_1435; -.
DR   EnsemblBacteria; ABE52345; ABE52345; Mbur_1435.
DR   GeneID; 3998463; -.
DR   KEGG; mbu:Mbur_1435; -.
DR   HOGENOM; CLU_126376_0_0_2; -.
DR   OMA; FIHPISD; -.
DR   OrthoDB; 88302at2157; -.
DR   UniPathway; UPA00591; UER00648.
DR   Proteomes; UP000001979; 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-UniRule.
DR   GO; GO:0043103; P:hypoxanthine salvage; IEA:UniProtKB-UniRule.
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   HAMAP; MF_01467; Hypx_phosphoribosyltr; 1.
DR   InterPro; IPR026597; HGPRTase-like.
DR   InterPro; IPR000836; PRibTrfase_dom.
DR   InterPro; IPR029057; PRTase-like.
DR   Pfam; PF00156; Pribosyltran; 1.
DR   SUPFAM; SSF53271; SSF53271; 1.
DR   PROSITE; PS00103; PUR_PYR_PR_TRANSFER; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Glycosyltransferase; Purine salvage; Reference proteome;
KW   Transferase.
FT   CHAIN           1..190
FT                   /note="Hypoxanthine/guanine phosphoribosyltransferase"
FT                   /id="PRO_0000415471"
SQ   SEQUENCE   190 AA;  20481 MW;  712E235B95470A42 CRC64;
     MLEVLQESLR KAPIVIRGEY PYFIHPISDG IPSLEPELLD EIADHMIDIA GKDYDRIVSI
     EAMGIPLATV LSMKTGKPMS IVRKRQYGLE GEVILSQSTG YSKGELYING ISKGETVLVV
     DDVISTGGTL KALLPALENM GANICNVIVV ISRGDGAAKM SDMGYNVNTL VKIDVDMDGV
     SILEVAGEQQ
 
 
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