1OU4	Transferase	date	Mar 24, 2003
title	Native Pnp +Talo
authors	S.E.Ealick, E.M.Bennett, R.Anand, J.A.Secrist, W.B.Parker, A.E.Ha P.W.Allan, D.T.Mcpherson, E.J.Sorscher
compound		source
Molecule: Purine Nucleoside Phosphorylase Chain: A, B, C Synonym: Inosine Phosphorylase, Pnp Ec: 2.4.2.1 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Deod Or Pup Or B4384 Or Z5986 Or Ecs5343 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 61 2 2	R_factor 0.214 R_Free 0.244
crystal cell	length a length b length c angle alpha angle beta angle gamma 121.615 121.615 243.225 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	6MP, PO4	enzyme	Transferase E.C.2.4.2.1 BRENDA
related structures	by homologous chain: 1OTX, 1PR5
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Designer gene therapy using an Escherichia coli purine nucleoside phosphorylase/prodrug system., Bennett EM, Anand R, Allan PW, Hassan AE, Hong JS, Levasseur DN, McPherson DT, Parker WB, Secrist JA 3rd, Sorscher EJ, Townes TM, Waud WR, Ealick SE, Chem Biol 2003 Dec;10(12):1173-81. PMID:14700625

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (118 Kb) [Save to disk] Biological Unit Coordinates (1ou4.pdb1.gz) 224 Kb LPC: Ligand-Protein Contacts for 1OU4 CSU: Contacts of Structural Units for 1OU4 Likely Quarternary Molecular Structure file(s) for 1OU4 Structure Factors (317 Kb) Retrieve 1OU4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OU4 from S2C, [Save to disk] Re-refined 1ou4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OU4 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 1OU4

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 1OU4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ou4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ou4b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ou4c_, region C [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: [1ou4] [1ou4_A] [1ou4_B] [1ou4_C] SWISS-PROT database: [P0ABP8] Domain organization of [DEOD_ECOLI] by SWISSPFAM

Other resources with information on 1OU4

Community annotation for 1OU4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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