1ulb Summary

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APPLICATION OF CRYSTALLOGRAPHIC AND MODELING METHODS IN THE DESIGN OF PURINE NUCLEOSIDE PHOSPHORYLASE INHIBITORS

The structure was published by Ealick, S.E., Babu, Y.S., Bugg, C.E., et al., Guida, W.C., Montgomery, J.A., and Secrist 3rd., J.A., in 1991 in a paper entitled "Application of crystallographic and modeling methods in the design of purine nucleoside phosphorylase inhibitors." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.75 Å and deposited in 1991.

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 289 residues which is 100% of the natural sequence. Out of 289 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
A PURINE NUCLEOSIDE PHOSPHORYLASE P00491 (1-289) (PNPH_HUMAN)search Homo sapienssearch 100% 289 100%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P00491 (1 - 289) PURINE NUCLEOSIDE PHOSPHORYLASE Homo sapiens

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A (P00491) Purine and uridine phosphorylasessearch Rossmann foldsearch PF01048: Phosphorylase superfamilysearch

Chain ID Biological process (GO) Molecular function (GO) Cellular component (GO)
A (P00491) nucleobase-containing compound metabolic processsearch purine nucleotide catabolic processsearch nicotinamide riboside catabolic processsearch response to drugsearch nucleoside metabolic processsearch NAD biosynthesis via nicotinamide riboside salvage pathwaysearch inosine catabolic processsearch immune responsesearch purine-containing compound salvagesearch interleukin-2 secretionsearch small molecule metabolic processsearch urate biosynthetic processsearch positive regulation of alpha-beta T cell differentiationsearch purine nucleobase metabolic processsearch positive regulation of T cell proliferationsearch nucleobase-containing small molecule metabolic processsearch purine-nucleoside phosphorylase activitysearch transferase activitysearch drug bindingsearch purine nucleobase bindingsearch phosphate ion bindingsearch nucleoside bindingsearch transferase activity, transferring pentosyl groupssearch transferase activity, transferring glycosyl groupssearch catalytic activitysearch cytoplasmsearch cytoskeletonsearch extracellular vesicular exosomesearch cytosolsearch intracellularsearch

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