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Q5JJB8

- PNPH_THEKO

UniProt

Q5JJB8 - PNPH_THEKO

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Protein
Probable 6-oxopurine nucleoside phosphorylase
Gene
TK1482
Organism
Thermococcus kodakaraensis (strain ATCC BAA-918 / JCM 12380 / KOD1) (Pyrococcus kodakaraensis (strain KOD1))
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Purine nucleoside phosphorylase which is highly specific for 6-oxopurine nucleosides. Cleaves guanosine or inosine to respective bases and sugar-1-phosphate molecules. Involved in purine salvage By similarity.UniRule annotation

Catalytic activityi

Purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei10 – 101Phosphate By similarity
Sitei170 – 1701Important for substrate specificity By similarity
Binding sitei188 – 1881Substrate; via amide nitrogen By similarity
Binding sitei189 – 1891Phosphate By similarity
Sitei224 – 2241Important for substrate specificity By similarity

GO - Molecular functioni

  1. S-methyl-5-thioadenosine phosphorylase activity Source: InterPro
  2. phosphorylase activity Source: InterPro
  3. purine-nucleoside phosphorylase activity Source: UniProtKB-EC

GO - Biological processi

  1. purine ribonucleoside salvage Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Keywords - Biological processi

Purine salvage

Enzyme and pathway databases

BioCyciTKOD69014:GH72-1509-MONOMER.
UniPathwayiUPA00606.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable 6-oxopurine nucleoside phosphorylase (EC:2.4.2.1)
Alternative name(s):
Purine nucleoside phosphorylase
Short name:
PNP
Gene namesi
Ordered Locus Names:TK1482
OrganismiThermococcus kodakaraensis (strain ATCC BAA-918 / JCM 12380 / KOD1) (Pyrococcus kodakaraensis (strain KOD1))
Taxonomic identifieri69014 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaThermococciThermococcalesThermococcaceaeThermococcus
ProteomesiUP000000536: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 267267Probable 6-oxopurine nucleoside phosphorylaseUniRule annotation
PRO_0000415087Add
BLAST

Interactioni

Subunit structurei

Homohexamer. Dimer of a homotrimer By similarity.UniRule annotation

Protein-protein interaction databases

IntActiQ5JJB8. 1 interaction.
MINTiMINT-8377038.
STRINGi69014.TK1482.

Structurei

3D structure databases

ProteinModelPortaliQ5JJB8.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni50 – 512Phosphate binding By similarity
Regioni83 – 842Phosphate binding By similarity
Regioni212 – 2143Substrate binding By similarity

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0005.
HOGENOMiHOG000228987.
KOiK00772.
OMAiCPELRKA.

Family and domain databases

Gene3Di3.40.50.1580. 1 hit.
HAMAPiMF_01963. MTAP.
InterProiIPR010044. MTAP.
IPR000845. Nucleoside_phosphorylase_d.
IPR001369. PNP/MTAP.
IPR018099. Purine_phosphorylase-2_CS.
[Graphical view]
PANTHERiPTHR11904. PTHR11904. 1 hit.
PfamiPF01048. PNP_UDP_1. 1 hit.
[Graphical view]
SUPFAMiSSF53167. SSF53167. 1 hit.
TIGRFAMsiTIGR01694. MTAP. 1 hit.
PROSITEiPS01240. PNP_MTAP_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q5JJB8-1 [UniParc]FASTAAdd to Basket

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MPRIAIIGGS GVYDPALLTN IREETVETPY GTVKVKIGEY NGEEIVFLAR    50
HGEGHSVPPH KINYRANIWA LYELGVERIL STSAVGSLNL DMKPGDFVIL 100
DQLMDFTKTR HYTFYDGEES PHDRKFVAHV DFTEPYCPEL RKALMNAARE 150
LGFTYHPMGT YACMEGPRFE TRAEIRALKI LGADVVGMTQ CPEAALAREL 200
EMCYASVAIV TNYAAGISPN KLTHTEVVEL MAQKSNEIKL LLMKAIEYIP 250
KERRCPCKDA LKGATGE 267
Length:267
Mass (Da):29,804
Last modified:February 15, 2005 - v1
Checksum:i2E1BA87711CB899B
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AP006878 Genomic DNA. Translation: BAD85671.1.
RefSeqiYP_183895.1. NC_006624.1.

Genome annotation databases

EnsemblBacteriaiBAD85671; BAD85671; TK1482.
GeneIDi3234499.
KEGGitko:TK1482.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AP006878 Genomic DNA. Translation: BAD85671.1 .
RefSeqi YP_183895.1. NC_006624.1.

3D structure databases

ProteinModelPortali Q5JJB8.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

IntActi Q5JJB8. 1 interaction.
MINTi MINT-8377038.
STRINGi 69014.TK1482.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAD85671 ; BAD85671 ; TK1482 .
GeneIDi 3234499.
KEGGi tko:TK1482.

Phylogenomic databases

eggNOGi COG0005.
HOGENOMi HOG000228987.
KOi K00772.
OMAi CPELRKA.

Enzyme and pathway databases

UniPathwayi UPA00606 .
BioCyci TKOD69014:GH72-1509-MONOMER.

Family and domain databases

Gene3Di 3.40.50.1580. 1 hit.
HAMAPi MF_01963. MTAP.
InterProi IPR010044. MTAP.
IPR000845. Nucleoside_phosphorylase_d.
IPR001369. PNP/MTAP.
IPR018099. Purine_phosphorylase-2_CS.
[Graphical view ]
PANTHERi PTHR11904. PTHR11904. 1 hit.
Pfami PF01048. PNP_UDP_1. 1 hit.
[Graphical view ]
SUPFAMi SSF53167. SSF53167. 1 hit.
TIGRFAMsi TIGR01694. MTAP. 1 hit.
PROSITEi PS01240. PNP_MTAP_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Complete genome sequence of the hyperthermophilic archaeon Thermococcus kodakaraensis KOD1 and comparison with Pyrococcus genomes."
    Fukui T., Atomi H., Kanai T., Matsumi R., Fujiwara S., Imanaka T.
    Genome Res. 15:352-363(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-918 / JCM 12380 / KOD1.

Entry informationi

Entry nameiPNPH_THEKO
AccessioniPrimary (citable) accession number: Q5JJB8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 25, 2012
Last sequence update: February 15, 2005
Last modified: May 14, 2014
This is version 57 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

Although this enzyme belongs to the family of MTA phosphorylases based on sequence homology, it has been shown that conserved amino acid substitutions in the substrate binding pocket convert the substrate specificity of this enzyme from 6-aminopurines to 6-oxopurines By similarity.

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

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