1KMP	Membrane Protein	date	Dec 17, 2001
title	Crystal Structure Of The Outer Membrane Transporter Feca Com With Ferric Citrate
authors	A.D.Ferguson, R.Chakraborty, B.S.Smith, L.Esser, D.Van Der Helm, J.Deisenhofer
compound		source
Molecule: Iron(III) Dicitrate Transport Protein Feca Chain: A Synonym: Feca Engineered: Yes Other_details: Ferric Citrate Uptake Receptor		Organism_scientific: Escherichia Coli K12 Organism_taxid: 83333 Strain: K-12 Gene: Feca Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Ut5600 Expression_system_vector_type: Plasmid Expression_system_plasmid: Psv66
symmetry	Space Group: P 21 21 2	R_factor 0.242 R_Free 0.282
crystal cell	length a length b length c angle alpha angle beta angle gamma 117.467 88.762 95.071 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	CIT, FE, LDA, MSE	enzyme
related structures	by homologous chain: 1PNZ
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis of gating by the outer membrane transporter FecA., Ferguson AD, Chakraborty R, Smith BS, Esser L, van der Helm D, Deisenhofer J, Science 2002 Mar 1;295(5560):1715-9. PMID:11872840

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (120 Kb) [Save to disk] Biological Unit Coordinates (1kmp.pdb1.gz) 112 Kb LPC: Ligand-Protein Contacts for 1KMP CSU: Contacts of Structural Units for 1KMP Likely Quarternary Molecular Structure file(s) for 1KMP Structure Factors (998 Kb) Retrieve 1KMP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KMP from S2C, [Save to disk] Re-refined 1kmp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KMP 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 1KMP

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 1KMP, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kmpa_, region A [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: [1kmp] [1kmp_A] SWISS-PROT database: [P13036] Belongs to the outer membrane receptor (omr) family according to TCDB. Domain organization of [FECA_ECOLI] by SWISSPFAM Domain found in 1KMP: [STN ] by SMART

Other resources with information on 1KMP

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

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