1v41 Summary


Crystal structure of human PNP complexed with 8-Azaguanine

The structure was published by Canduri, F., Silva, R.G., dos Santos, D.M., et al., Basso, L.A., Santos, D.S., and de Azevedo Jr., W.F., in 2005 in a paper entitled "Structure of human PNP complexed with ligands." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.85 Å and deposited in 2003.

The experimental data on which the structure is based was also deposited.

The PDB entry contains the structure of Purine nucleoside phosphorylase. This molecule has the UniProt identifier P00491 (PNPH_HUMAN)search. The sample contained 288 residues which is < 90% of the natural sequence. Out of 288 residues 288 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule most likely forms homotrimers.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):

Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
E Purine nucleoside phosphorylase Not available
Homo sapienssearch Not available 288 100%

Chain ID Molecular function (GO) Biological process (GO) Cellular component (GO)
E () catalytic activitysearch purine nucleobase bindingsearch purine-nucleoside phosphorylase activitysearch phosphate ion bindingsearch nucleoside bindingsearch transferase activity, transferring glycosyl groupssearch transferase activitysearch drug bindingsearch transferase activity, transferring pentosyl groupssearch nucleobase-containing compound metabolic processsearch positive regulation of alpha-beta T cell differentiationsearch small molecule metabolic processsearch NAD biosynthesis via nicotinamide riboside salvage pathwaysearch purine nucleobase metabolic processsearch purine-containing compound salvagesearch response to drugsearch interleukin-2 secretionsearch inosine catabolic processsearch nucleobase-containing small molecule metabolic processsearch positive regulation of T cell proliferationsearch nicotinamide riboside catabolic processsearch purine nucleotide catabolic processsearch immune responsesearch urate biosynthetic processsearch nucleoside metabolic processsearch cytosolsearch cytoplasmsearch intracellularsearch cytoskeletonsearch extracellular vesicular exosomesearch

Chain InterPro annotation
E Nucleoside phosphorylase domainsearch PNP/MTAP phosphorylasesearch Purine nucleoside phosphorylasesearch Purine nucleoside phosphorylase I, inosine/guanosine-specificsearch Purine phosphorylase, family 2, conserved sitesearch