4N7X Transport Protein date Oct 16, 2013
title The E254a Mutant Of The Sodium Bile Acid Symporter From Yers Frederiksenii
authors X.Zhou, E.J.Levin, M.Zhou, New York Consortium On Membrane Prot Structure (Nycomps)
compound source
Molecule: Transporter, Sodiumbile Acid Symporter Family
Chain: A
Engineered: Yes
Mutation: Yes
Organism_scientific: Yersinia Frederiksenii
Organism_taxid: 29484
Gene: Yfred0001_28600
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet
symmetry Space Group: P 21 21 21
R_factor 0.209 R_Free 0.249
length a length b length c angle alpha angle beta angle gamma
54.162 73.859 85.527 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
Gene YFRED0001

Primary referenceStructural basis of the alternating-access mechanism in a bile acid transporter., Zhou X, Levin EJ, Pan Y, McCoy JG, Sharma R, Kloss B, Bruni R, Quick M, Zhou M, Nature. 2013 Dec 8. doi: 10.1038/nature12811. PMID:24317697
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk]
  • Biological Unit Coordinates (4n7x.pdb1.gz) 47 Kb
  • CSU: Contacts of Structural Units for 4N7X
  • Structure Factors (98 Kb)
  • Retrieve 4N7X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4N7X from S2C, [Save to disk]
  • Re-refined 4n7x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4N7X 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 4N7X
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4N7X, from MSDmotif at EBI
  • Fold representative 4n7x from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4n7x] [4n7x_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4N7X
  • Community annotation for 4N7X at PDBWiki (http://pdbwiki.org)

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