3PNP	Phosphorylase	date	Mar 27, 1998
title	The High Resolution Crystal Structure Of Bovine Spleen Purin Nucleoside Phosphorylase In Complex Forms With Phosphate An Deazainosine
authors	M.J.Pugmire, C.Mao, S.E.Ealick
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A Synonym: Pnp Ec: 2.4.2.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Spleen
symmetry	Space Group: P 21 3	R_factor 0.208 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.000 93.000 93.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	MG, PO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1B8O, 4PNP
Gene Ontology	Chain Function Process Component A

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk] Biological Unit Coordinates (3pnp.pdb1.gz) 127 Kb LPC: Ligand-Protein Contacts for 3PNP CSU: Contacts of Structural Units for 3PNP Likely Quarternary Molecular Structure file(s) for 3PNP Structure Factors (301 Kb) Retrieve 3PNP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3PNP from S2C, [Save to disk] Re-refined 3pnp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3PNP in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3PNP

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3PNP, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3pnp__, region [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3pnp] [3pnp_A] SWISS-PROT database: [P55859] Domain organization of [PNPH_BOVIN] by SWISSPFAM

Other resources with information on 3PNP

Community annotation for 3PNP at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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