4APS Transport Protein date Apr 05, 2012
title Crystal Structure Of A Pot Family Peptide Transporter In An Open Conformation.
authors N.Solcan, J.Kwok, P.W.Fowler, A.D.Cameron, D.Drew, S.Iwata, S.News
compound source
Molecule: Di-Or Tripeptide H+ Symporter
Chain: A, B
Engineered: Yes
 Organism_scientific: Streptococcus Thermophilus
Organism_taxid: 264199
Strain: Lmg 18311
Atcc: Baa-250
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: C43
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pwaldo-Gfpd
symmetry Space Group: P 21 21 21
R_factor 0.2722 R_Free 0.2895
crystal
cell
length a length b length c angle alpha angle beta angle gamma
89.390 112.990 215.490 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.30 Å
ligand CD enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceAlternating access mechanism in the POT family of oligopeptide transporters., Solcan N, Kwok J, Fowler PW, Cameron AD, Drew D, Iwata S, Newstead S, EMBO J. 2012 Jun 1. doi: 10.1038/emboj.2012.157. PMID:22659829
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (307 Kb) [Save to disk]
  • Biological Unit Coordinates (4aps.pdb1.gz) 302 Kb
  • LPC: Ligand-Protein Contacts for 4APS
  • CSU: Contacts of Structural Units for 4APS
  • Structure Factors (551 Kb)
  • Retrieve 4APS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4APS from S2C, [Save to disk]
  • Re-refined 4aps structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 4APS 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 4APS
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4APS, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4aps_B] [4aps_A] [4aps]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 4APS
  • Community annotation for 4APS at PDBWiki (http://pdbwiki.org)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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