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Q8E2H3

- HPRT_STRA5

UniProt

Q8E2H3 - HPRT_STRA5

Protein

Hypoxanthine-guanine phosphoribosyltransferase

Gene

hpt

Organism
Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 71 (01 Oct 2014)
      Sequence version 1 (01 Mar 2003)
      Previous versions | rss
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    Functioni

    Catalytic activityi

    IMP + diphosphate = hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate.
    GMP + diphosphate = guanine + 5-phospho-alpha-D-ribose 1-diphosphate.

    Cofactori

    Binds 2 magnesium ions per subunit. The magnesium ions are essentially bound to the substrate and have few direct interactions with the protein By similarity.By similarity

    Pathwayi

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Active sitei103 – 1031Proton acceptorBy similarity
    Binding sitei131 – 1311IMPBy similarity
    Metal bindingi159 – 1591MagnesiumBy similarity

    Regions

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Nucleotide bindingi99 – 10810IMPBy similarity
    Nucleotide bindingi158 – 1592IMPBy similarity

    GO - Molecular functioni

    1. guanine phosphoribosyltransferase activity Source: UniProtKB-EC
    2. hypoxanthine phosphoribosyltransferase activity Source: UniProtKB-EC
    3. metal ion binding Source: UniProtKB-KW
    4. nucleotide binding Source: UniProtKB-KW

    GO - Biological processi

    1. IMP salvage Source: UniProtKB-UniPathway
    2. purine ribonucleoside salvage Source: UniProtKB-KW

    Keywords - Molecular functioni

    Glycosyltransferase, Transferase

    Keywords - Biological processi

    Purine salvage

    Keywords - Ligandi

    Magnesium, Metal-binding, Nucleotide-binding

    Enzyme and pathway databases

    BioCyciSAGA208435:GHVY-15-MONOMER.
    UniPathwayiUPA00591; UER00648.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Hypoxanthine-guanine phosphoribosyltransferase (EC:2.4.2.8)
    Short name:
    HGPRT
    Short name:
    HGPRTase
    Gene namesi
    Name:hpt
    Ordered Locus Names:SAG0015
    OrganismiStreptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R)
    Taxonomic identifieri208435 [NCBI]
    Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus
    ProteomesiUP000000821: Chromosome

    Subcellular locationi

    Cytoplasm By similarity

    GO - Cellular componenti

    1. cytoplasm Source: UniProtKB-SubCell

    Keywords - Cellular componenti

    Cytoplasm

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 180180Hypoxanthine-guanine phosphoribosyltransferasePRO_0000139621Add
    BLAST

    Interactioni

    Protein-protein interaction databases

    STRINGi208435.SAG0015.

    Structurei

    3D structure databases

    ProteinModelPortaliQ8E2H3.
    SMRiQ8E2H3. Positions 4-178.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Phylogenomic databases

    eggNOGiCOG0634.
    HOGENOMiHOG000236520.
    KOiK00760.
    OMAiAREIMKG.
    OrthoDBiEOG693GNP.

    Family and domain databases

    Gene3Di3.40.50.2020. 1 hit.
    InterProiIPR005904. Hxn_phspho_trans.
    IPR000836. PRibTrfase_dom.
    IPR029057. PRTase-like.
    [Graphical view]
    PfamiPF00156. Pribosyltran. 1 hit.
    [Graphical view]
    SUPFAMiSSF53271. SSF53271. 1 hit.
    TIGRFAMsiTIGR01203. HGPRTase. 1 hit.

    Sequencei

    Sequence statusi: Complete.

    Q8E2H3-1 [UniParc]FASTAAdd to Basket

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    MLENDIKKVL YSEEDIILKT KELGAKLTAD YAGKNPLLVG VLKGSVPFMA    50
    ELLKHIDTHV EIDFMVVSSY HGGTTSSGEV KILKDVDTNI EGRDVIFIED 100
    IIDTGRTLKY LRDMFKYRQA NSVKVATLFD KPEGRLVDID ADYVCYDIPN 150
    EFIVGFGLDY AENYRNLPYV GVLKEEIYSK 180
    Length:180
    Mass (Da):20,383
    Last modified:March 1, 2003 - v1
    Checksum:iFFB252189AA33AE3
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AE009948 Genomic DNA. Translation: AAM98923.1.
    RefSeqiNP_687051.1. NC_004116.1.

    Genome annotation databases

    EnsemblBacteriaiAAM98923; AAM98923; SAG0015.
    GeneIDi1012733.
    KEGGisag:SAG0015.
    PATRICi19626662. VBIStrAga72745_0014.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AE009948 Genomic DNA. Translation: AAM98923.1 .
    RefSeqi NP_687051.1. NC_004116.1.

    3D structure databases

    ProteinModelPortali Q8E2H3.
    SMRi Q8E2H3. Positions 4-178.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 208435.SAG0015.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai AAM98923 ; AAM98923 ; SAG0015 .
    GeneIDi 1012733.
    KEGGi sag:SAG0015.
    PATRICi 19626662. VBIStrAga72745_0014.

    Phylogenomic databases

    eggNOGi COG0634.
    HOGENOMi HOG000236520.
    KOi K00760.
    OMAi AREIMKG.
    OrthoDBi EOG693GNP.

    Enzyme and pathway databases

    UniPathwayi UPA00591 ; UER00648 .
    BioCyci SAGA208435:GHVY-15-MONOMER.

    Family and domain databases

    Gene3Di 3.40.50.2020. 1 hit.
    InterProi IPR005904. Hxn_phspho_trans.
    IPR000836. PRibTrfase_dom.
    IPR029057. PRTase-like.
    [Graphical view ]
    Pfami PF00156. Pribosyltran. 1 hit.
    [Graphical view ]
    SUPFAMi SSF53271. SSF53271. 1 hit.
    TIGRFAMsi TIGR01203. HGPRTase. 1 hit.
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: ATCC BAA-611 / 2603 V/R.

    Entry informationi

    Entry nameiHPRT_STRA5
    AccessioniPrimary (citable) accession number: Q8E2H3
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: September 27, 2005
    Last sequence update: March 1, 2003
    Last modified: October 1, 2014
    This is version 71 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    2. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3