Identification
HMDB Protein ID CDBP02367
Secondary Accession Numbers Not Available
Name Purine nucleoside phosphorylase
Description Not Available
Synonyms
  1. Inosine phosphorylase
  2. PNP
  3. Inosine-guanosine phosphorylase
Gene Name PNP
Protein Type Enzyme
Biological Properties
General Function Involved in purine-nucleoside phosphorylase activity
Specific Function The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate.
GO Classification
Biological Process
interleukin-2 secretion
purine nucleobase metabolic process
purine nucleotide catabolic process
positive regulation of T cell proliferation
purine-containing compound salvage
response to drug
immune response
inosine catabolic process
NAD biosynthesis via nicotinamide riboside salvage pathway
nicotinamide riboside catabolic process
urate biosynthetic process
positive regulation of alpha-beta T cell differentiation
Cellular Component
cytosol
cytoskeleton
Function
catalytic activity
transferase activity
transferase activity, transferring pentosyl groups
transferase activity, transferring glycosyl groups
purine-nucleoside phosphorylase activity
Molecular Function
nucleoside binding
purine nucleobase binding
purine-nucleoside phosphorylase activity
drug binding
phosphate ion binding
Process
nucleobase, nucleoside, nucleotide and nucleic acid metabolic process
nucleobase, nucleoside and nucleotide metabolic process
nucleoside metabolic process
metabolic process
nitrogen compound metabolic process
cellular nitrogen compound metabolic process
Cellular Location
  1. Cytoplasm
  2. cytoskeleton
Pathways
Gene Properties
Chromosome Location 14
Locus 14q13.1
SNPs PNP
Gene Sequence
>870 bp
ATGGAGAACGGATACACCTATGAAGATTATAAGAACACTGCAGAATGGCTTCTGTCTCAT
ACTAAGCACCGACCTCAAGTTGCAATAATCTGTGGTTCTGGATTAGGAGGTCTGACTGAT
AAATTAACTCAGGCCCAGATCTTTGACTACAGTGAAATCCCCAACTTTCCTCGAAGTACA
GTGCCAGGTCATGCTGGCCGACTGGTGTTTGGGTTCCTGAATGGCAGGGCCTGTGTGATG
ATGCAGGGCAGGTTCCACATGTATGAAGGGTACCCACTCTGGAAGGTGACATTCCCAGTG
AGGGTTTTCCACCTTCTGGGTGTGGACACCCTGGTAGTCACCAATGCAGCAGGAGGGCTG
AACCCCAAGTTTGAGGTTGGAGATATCATGCTGATCCGTGACCATATCAACCTACCTGGT
TTCAGTGGTCAGAACCCTCTCAGAGGGCCCAATGATGAAAGGTTTGGAGATCGTTTCCCT
GCCATGTCTGATGCCTACGACCGGACTATGAGGCAGAGGGCTCTCAGTACCTGGAAACAA
ATGGGGGAGCAACGTGAGCTACAGGAAGGCACCTATGTGATGGTGGCAGGCCCCAGCTTT
GAGACTGTGGCAGAATGTCGTGTGCTGCAGAAGCTGGGAGCAGACGCTGTTGGCATGAGT
ACAGTACCAGAAGTTATCGTTGCACGGCACTGTGGACTTCGAGTCTTTGGCTTCTCACTC
ATCACTAACAAGGTCATCATGGATTATGAAAGCCTGGAGAAGGCCAACCATGAAGAAGTC
TTAGCAGCTGGCAAACAAGCTGCACAGAAATTGGAACAGTTTGTCTCCATTCTTATGGCC
AGCATTCCACTCCCTGACAAAGCCAGTTGA
Protein Properties
Number of Residues 289
Molecular Weight 32117.69
Theoretical pI 6.943
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Purine nucleoside phosphorylase
MENGYTYEDYKNTAEWLLSHTKHRPQVAIICGSGLGGLTDKLTQAQIFDYGEIPNFPRST
VPGHAGRLVFGFLNGRACVMMQGRFHMYEGYPLWKVTFPVRVFHLLGVDTLVVTNAAGGL
NPKFEVGDIMLIRDHINLPGFSGQNPLRGPNDERFGDRFPAMSDAYDRTMRQRALSTWKQ
MGEQRELQEGTYVMVAGPSFETVAECRVLQKLGADAVGMSTVPEVIVARHCGLRVFGFSL
ITNKVIMDYESLEKANHEEVLAAGKQAAQKLEQFVSILMASIPLPDKAS
GenBank ID Protein 35565
UniProtKB/Swiss-Prot ID P00491
UniProtKB/Swiss-Prot Entry Name PNPH_HUMAN
PDB IDs
GenBank Gene ID X00737
GeneCard ID PNP
GenAtlas ID PNP
HGNC ID HGNC:7892
References
General References Not Available