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Q8E2H3

- HPRT_STRA5

UniProt

Q8E2H3 - HPRT_STRA5

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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

Functioni

Catalytic activityi

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

Cofactori

Mg2+By similarityNote: 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

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
Complete GO annotation...

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-KW
Complete GO annotation...

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

« Hide

        10         20         30         40         50
MLENDIKKVL YSEEDIILKT KELGAKLTAD YAGKNPLLVG VLKGSVPFMA
60 70 80 90 100
ELLKHIDTHV EIDFMVVSSY HGGTTSSGEV KILKDVDTNI EGRDVIFIED
110 120 130 140 150
IIDTGRTLKY LRDMFKYRQA NSVKVATLFD KPEGRLVDID ADYVCYDIPN
160 170 180
EFIVGFGLDY AENYRNLPYV GVLKEEIYSK
Length:180
Mass (Da):20,383
Last modified:March 1, 2003 - v1
Checksum:iFFB252189AA33AE3
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
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:
EMBLi
GenBanki
DDBJi
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: November 26, 2014
This is version 73 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