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Protein

Hypoxanthine/guanine phosphoribosyltransferase

Gene

hpt

Organism
Uncultured methanogenic archaeon RC-I
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalyzes a salvage reaction resulting in the formation of IMP that is energically less costly than de novo synthesis.UniRule annotation

Catalytic activityi

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

Pathwayi

GO - Molecular functioni

  1. guanine phosphoribosyltransferase activity Source: UniProtKB-EC
  2. hypoxanthine phosphoribosyltransferase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. hypoxanthine salvage Source: UniProtKB-HAMAP
  2. IMP salvage Source: UniProtKB-UniPathway
  3. purine ribonucleoside salvage Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Keywords - Biological processi

Purine salvage

Enzyme and pathway databases

BioCyciUMET351160:GJT4-1469-MONOMER.
UniPathwayiUPA00591; UER00648.

Names & Taxonomyi

Protein namesi
Recommended name:
Hypoxanthine/guanine phosphoribosyltransferaseUniRule annotation (EC:2.4.2.8UniRule annotation)
Short name:
HGPRTaseUniRule annotation
Gene namesi
Name:hptUniRule annotation
Ordered Locus Names:UNCMA_14320
ORF Names:RCIX1545
OrganismiUncultured methanogenic archaeon RC-I
Taxonomic identifieri351160 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanomicrobiaMethanocellalesMethanocellaceaeMethanocella
ProteomesiUP000000663: Chromosome

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 191191Hypoxanthine/guanine phosphoribosyltransferasePRO_0000415491Add
BLAST

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi351160.RCIX1545.

Structurei

3D structure databases

ProteinModelPortaliQ0W496.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the purine/pyrimidine phosphoribosyltransferase family. Archaeal HPRT subfamily.UniRule annotation

Phylogenomic databases

eggNOGiCOG0503.
HOGENOMiHOG000228520.
KOiK00759.
OMAiIATDIPY.

Family and domain databases

Gene3Di3.40.50.2020. 1 hit.
HAMAPiMF_01467. Hypx_phosphoribosyltr.
InterProiIPR026597. HGPRTase-like.
IPR000836. PRibTrfase_dom.
IPR029057. PRTase-like.
[Graphical view]
PfamiPF00156. Pribosyltran. 1 hit.
[Graphical view]
SUPFAMiSSF53271. SSF53271. 1 hit.
PROSITEiPS00103. PUR_PYR_PR_TRANSFER. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q0W496-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MLKILKESLK TAPIVKRGTY NYFIHPISDG VPVVKPELLR DVIACIVKNA
60 70 80 90 100
DLDVDKIVTI EAMGLPIGAS LSQITDIPFI IIRKRKYELP GEIAVHQATG
110 120 130 140 150
YSKGELYLNG ICKGDRVLIV DDVISTGGTL AAVIKALEMA GAEIKDIVVV
160 170 180 190
IQRGNGKKII EDMGYNVQTL VTIDVDENGV QVLGCIDDEC K
Length:191
Mass (Da):20,732
Last modified:September 5, 2006 - v1
Checksum:i553959D65ABA508B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AM114193 Genomic DNA. Translation: CAJ36797.1.
RefSeqiYP_686123.1. NC_009464.1.

Genome annotation databases

EnsemblBacteriaiCAJ36797; CAJ36797; RCIX1545.
GeneIDi5142946.
KEGGirci:RCIX1545.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AM114193 Genomic DNA. Translation: CAJ36797.1.
RefSeqiYP_686123.1. NC_009464.1.

3D structure databases

ProteinModelPortaliQ0W496.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi351160.RCIX1545.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiCAJ36797; CAJ36797; RCIX1545.
GeneIDi5142946.
KEGGirci:RCIX1545.

Phylogenomic databases

eggNOGiCOG0503.
HOGENOMiHOG000228520.
KOiK00759.
OMAiIATDIPY.

Enzyme and pathway databases

UniPathwayiUPA00591; UER00648.
BioCyciUMET351160:GJT4-1469-MONOMER.

Family and domain databases

Gene3Di3.40.50.2020. 1 hit.
HAMAPiMF_01467. Hypx_phosphoribosyltr.
InterProiIPR026597. HGPRTase-like.
IPR000836. PRibTrfase_dom.
IPR029057. PRTase-like.
[Graphical view]
PfamiPF00156. Pribosyltran. 1 hit.
[Graphical view]
SUPFAMiSSF53271. SSF53271. 1 hit.
PROSITEiPS00103. PUR_PYR_PR_TRANSFER. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. "Genome of rice cluster I archaea -- the key methane producers in the rice rhizosphere."
    Erkel C., Kube M., Reinhardt R., Liesack W.
    Science 313:370-372(2006) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Entry informationi

Entry nameiHPRT_UNCMA
AccessioniPrimary (citable) accession number: Q0W496
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 22, 2012
Last sequence update: September 5, 2006
Last modified: February 4, 2015
This is version 51 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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.