2WPT	Immune System	date	Aug 10, 2009
title	The Crystal Structure Of Im2 In Complex With Colicin E9 Dnas
authors	N.A.Meenan, A.Sharma, S.J.Fleishman, C.J.Macdonald, R.Boetzel, G. D.Baker, C.Kleanthous
compound		source
Molecule: Colicin-E2 Immunity Protein Chain: A Synonym: Imme2, Microcin-E2 Immunity Protein Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jm83
Molecule: Colicin-E9 Chain: B Synonym: E9 Dnase Ec: 3.1.-.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: C 2 2 21	R_factor 0.193 R_Free 0.223
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.229 82.897 89.528 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.78 Å
ligand	GOL, NO3	enzyme	Hydrolase E.C.3.1 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	The structural and energetic basis for high selectivity in a high-affinity protein-protein interaction., Meenan NA, Sharma A, Fleishman SJ, Macdonald CJ, Morel B, Boetzel R, Moore GR, Baker D, Kleanthous C, Proc Natl Acad Sci U S A. 2010 May 17. PMID:20479265

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (2wpt.pdb1.gz) 35 Kb LPC: Ligand-Protein Contacts for 2WPT CSU: Contacts of Structural Units for 2WPT Structure Factors (370 Kb) Retrieve 2WPT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2WPT from S2C, [Save to disk] Re-refined 2wpt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2WPT 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 2WPT

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 2WPT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2wpt_A] [2wpt] [2wpt_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 2WPT: [HNHc ] by SMART

Other resources with information on 2WPT

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

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