3HWB	Membrane Protein, Ion Transport	date	Jun 17, 2009
title	Cation Selective Pathway Of Ompf Porin Revealed By Anomalous Diffraction
authors	D.Balasundaresan, S.Raychaudhury, L.Blachowicz, B.Roux
compound		source
Molecule: Outer Membrane Protein F Chain: A, B Synonym: Porin Ompf, Outer Membrane Protein 1a, Outer Membr Protein Ia, Outer Membrane Protein B; Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83333 Strain: K-12 Gene: Ompf, Cmlb, Coa, Cry, Tolf, B0929, Jw0912 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Mh225 Expression_system_plasmid: Ppr272
symmetry	Space Group: P 63	R_factor 0.231 R_Free 0.285
crystal cell	length a length b length c angle alpha angle beta angle gamma 117.192 117.192 116.885 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	P6G, RB	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Cation-selective Pathway of OmpF Porin Revealed by Anomalous X-ray Diffraction., Dhakshnamoorthy B, Raychaudhury S, Blachowicz L, Roux B, J Mol Biol. 2009 Nov 20. PMID:19932117

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (111 Kb) [Save to disk] Biological Unit Coordinates (3hwb.pdb1.gz) 157 Kb Biological Unit Coordinates (3hwb.pdb2.gz) 157 Kb Biological Unit Coordinates (3hwb.pdb3.gz) 106 Kb LPC: Ligand-Protein Contacts for 3HWB CSU: Contacts of Structural Units for 3HWB Structure Factors (381 Kb) Retrieve 3HWB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3HWB from S2C, [Save to disk] Re-refined 3hwb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3HWB 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 3HWB

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3HWB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3hwb] [3hwb_B] [3hwb_A] SWISS-PROT database: [P02931] Belongs to the general bacterial porin (gbp) family according to TCDB. Domain organization of [OMPF_ECOLI] by SWISSPFAM

Other resources with information on 3HWB

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

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