3D1V	Transferase	date	May 06, 2008
title	Crystal Structure Of Human Pnp Complexed With 2-Mercapto(3h) Quinazolinone
authors	W.F.De Azevedo Jr., L.A.Basso, D.S.Santos
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A Synonym: Inosine Phosphorylase, Pnp Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Np, Pnp Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: H 3 2	R_factor 0.221 R_Free 0.277
crystal cell	length a length b length c angle alpha angle beta angle gamma 138.666 138.666 159.379 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	D1V, SO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural studies of human purine nucleoside phosphorylase: towards a new specific empirical scoring function., Timmers LF, Caceres RA, Vivan AL, Gava LM, Dias R, Ducati RG, Basso LA, Santos DS, de Azevedo WF Jr, Arch Biochem Biophys. 2008 Nov 1;479(1):28-38. Epub 2008 Aug 30. PMID:18790691

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (3d1v.pdb1.gz) 139 Kb LPC: Ligand-Protein Contacts for 3D1V CSU: Contacts of Structural Units for 3D1V Likely Quarternary Molecular Structure file(s) for 3D1V Structure Factors (259 Kb) Retrieve 3D1V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3D1V from S2C, [Save to disk] Re-refined 3d1v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3D1V 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 3D1V

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 3D1V, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3d1v_A] [3d1v] SWISS-PROT database: [P00491] Domain organization of [PNPH_HUMAN] by SWISSPFAM

Other resources with information on 3D1V

Community annotation for 3D1V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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