1V3Q	Transferase	date	Nov 04, 2003
title	Structure Of Human Pnp Complexed With Ddi
authors	F.Canduri, J.H.Pereira, D.M.Dos Santos, R.G.Silva, M.S.Palma, L.A W.F.De Azevedo Jr., D.S.Santos
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: E Synonym: Inosine Phosphorylase, Pnp Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Pnp Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: H 3 2	R_factor 0.214 R_Free 0.306
crystal cell	length a length b length c angle alpha angle beta angle gamma 141.330 141.330 161.450 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	2DI, SO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1PWY, 1RCT
Gene Ontology	Chain Function Process Component E
Primary reference	Structures of human purine nucleoside phosphorylase complexed with inosine and ddI., Canduri F, dos Santos DM, Silva RG, Mendes MA, Basso LA, Palma MS, de Azevedo WF, Santos DS, Biochem Biophys Res Commun 2004 Jan 23;313(4):907-14. PMID:14706628

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1v3q.pdb1.gz) 139 Kb LPC: Ligand-Protein Contacts for 1V3Q CSU: Contacts of Structural Units for 1V3Q Likely Quarternary Molecular Structure file(s) for 1V3Q Structure Factors (94 Kb) Retrieve 1V3Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1V3Q from S2C, [Save to disk] Re-refined 1v3q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1V3Q 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 1V3Q

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 1V3Q, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1v3qe_, region E [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: [1v3q] [1v3q_E] SWISS-PROT database: [P00491] Domain organization of [PNPH_HUMAN] by SWISSPFAM

Other resources with information on 1V3Q

Community annotation for 1V3Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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