3Q7K	Transport Protein	date	Jan 05, 2011
title	Formate Channel Foca From Salmonella Typhimurium
authors	W.Lue, J.Du, T.Wacker, E.Gerbig-Smentek, S.L.A.Andrade, O.Einsle
compound		source
Molecule: Probable Formate Transporter Chain: A, B, C, D, E, G, H, I, J, K Synonym: Probable Formate Transporter (Formate Channel) Engineered: Yes		Organism_scientific: Salmonella Enterica Subsp. Enterica Se Typhi; Organism_taxid: 220341 Strain: Ct18 Gene: Foca, Sty0974, T1960 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)C43 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21a
symmetry	Space Group: P 1 21 1	R_factor 0.219 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.951 205.723 106.046 90.00 115.49 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	FMT	enzyme
Gene Ontology	Chain Function Process Component A, J, K, E, B, H, C, D, I, G
Primary reference	pH-dependent gating in a FocA formate channel., Lu W, Du J, Wacker T, Gerbig-Smentek E, Andrade SL, Einsle O, Science. 2011 Apr 15;332(6027):352-4. PMID:21493860

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (385 Kb) [Save to disk] Biological Unit Coordinates (3q7k.pdb1.gz) 190 Kb Biological Unit Coordinates (3q7k.pdb2.gz) 190 Kb LPC: Ligand-Protein Contacts for 3Q7K CSU: Contacts of Structural Units for 3Q7K Structure Factors (1511 Kb) Retrieve 3Q7K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3Q7K from S2C, [Save to disk] Re-refined 3q7k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3Q7K in 3D

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Visual 3D analysis of 3Q7K

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 3Q7K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3q7k] [3q7k_I] [3q7k_H] [3q7k_A] [3q7k_B] [3q7k_G] [3q7k_C] [3q7k_K] [3q7k_J] [3q7k_D] [3q7k_E] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3Q7K

Community annotation for 3Q7K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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