4IKX	Transport Protein	date	Dec 28, 2012
title	Crystal Structure Of Peptide Transporter Pot (E310q Mutant)
authors	S.Doki, H.E.Kato, R.Ishitani, O.Nureki
compound		source
Molecule: Di-Tripeptide Abc Transporter (Permease) Chain: A Engineered: Yes		Organism_scientific: Geobacillus Kaustophilus Organism_taxid: 1462 Strain: Bd53 Gene: Gk2020 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: C41(De3)Delta-Acrb Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcgfp-Bc
symmetry	Space Group: P 1 21 1	R_factor 0.221 R_Free 0.252
crystal cell	length a length b length c angle alpha angle beta angle gamma 54.146 95.239 57.592 90.00 111.21 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	OLA, SO4	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for dynamic mechanism of proton-coupled symport by the peptide transporter POT., Doki S, Kato HE, Solcan N, Iwaki M, Koyama M, Hattori M, Iwase N, Tsukazaki T, Sugita Y, Kandori H, Newstead S, Ishitani R, Nureki O, Proc Natl Acad Sci U S A. 2013 Jun 24. PMID:23798427

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (155 Kb) [Save to disk] Biological Unit Coordinates (4ikx.pdb1.gz) 149 Kb LPC: Ligand-Protein Contacts for 4IKX CSU: Contacts of Structural Units for 4IKX Structure Factors (148 Kb) Retrieve 4IKX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4IKX from S2C, [Save to disk] Re-refined 4ikx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4IKX 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 4IKX

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 4IKX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4ikx] [4ikx_A] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 4IKX

Community annotation for 4IKX at PDBWiki (http://pdbwiki.org)

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