2B4O	Hydrolase	date	Sep 26, 2005
title	Structure Of The R258k Mutant Of Selenomonas Ruminantium Ptp Phytase
authors	R.J.Gruninger, L.B.Selinger, S.C.Mosimann
compound		source
Molecule: Myo-Inositol Hexaphosphate Phosphohydrolase Chain: A, B Ec: 3.1.3.72 Engineered: Yes Mutation: Yes		Organism_scientific: Selenomonas Ruminantium Organism_taxid: 971 Gene: Phyasr_r252k Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b
symmetry	Space Group: P 1 21 1	R_factor 0.191 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.837 137.187 79.954 90.00 103.53 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CL, GOL	enzyme	Hydrolase E.C.3.1.3.72 BRENDA
Gene	PHYASR
Gene Ontology	Chain Function Process Component A, B protein tyrosine phosphatase...
Primary reference	Kinetic and structural analysis of a bacterial protein tyrosine phosphatase-like myo-inositol polyphosphatase., Puhl AA, Gruninger RJ, Greiner R, Janzen TW, Mosimann SC, Selinger LB, Protein Sci. 2007 Jul;16(7):1368-78. Epub 2007 Jun 13. PMID:17567745

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk] Biological Unit Coordinates (2b4o.pdb1.gz) 57 Kb Biological Unit Coordinates (2b4o.pdb2.gz) 57 Kb LPC: Ligand-Protein Contacts for 2B4O CSU: Contacts of Structural Units for 2B4O Likely Quarternary Molecular Structure file(s) for 2B4O Structure Factors (332 Kb) Retrieve 2B4O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2B4O from S2C, [Save to disk] Re-refined 2b4o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2B4O 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 2B4O

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 2B4O, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2b4o_A] [2b4o_B] [2b4o] SWISS-PROT database: [Q7WUJ1] Domain organization of [Q7WUJ1_SELRU] by SWISSPFAM Domain found in 2B4O: [PTPlike_phytase ] by SMART

Other resources with information on 2B4O

Community annotation for 2B4O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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