2Q7O	Transferase	date	Jun 07, 2007
title	Structure Of Human Purine Nucleoside Phosphorylase In Comple Immucillin-H
authors	A.Rinaldo-Matthis, S.C.Almo, V.L.Schramm
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: Np, Pnp Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: H 3 2	R_factor 0.216 R_Free 0.262
crystal cell	length a length b length c angle alpha angle beta angle gamma 143.457 143.457 166.248 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	IMH, PO4 BindingDB	enzyme	Transferase E.C.2.4.2.1 BRENDA
Gene Ontology	Chain Function Process Component E
Primary reference	L-Enantiomers of transition state analogue inhibitors bound to human purine nucleoside phosphorylase., Rinaldo-Matthis A, Murkin AS, Ramagopal UA, Clinch K, Mee SP, Evans GB, Tyler PC, Furneaux RH, Almo SC, Schramm VL, J Am Chem Soc. 2008 Jan 23;130(3):842-4. Epub 2007 Dec 23. PMID:18154341

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (2q7o.pdb1.gz) 136 Kb LPC: Ligand-Protein Contacts for 2Q7O CSU: Contacts of Structural Units for 2Q7O Likely Quarternary Molecular Structure file(s) for 2Q7O Structure Factors (125 Kb) Retrieve 2Q7O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Q7O from S2C, [Save to disk] Re-refined 2q7o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2Q7O 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 2Q7O

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 2Q7O, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2q7o] [2q7o_E] SWISS-PROT database: [P00491] Domain organization of [PNPH_HUMAN] by SWISSPFAM

Other resources with information on 2Q7O

Community annotation for 2Q7O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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