4AIN Membrane Protein date Feb 10, 2012
title Crystal Structure Of Betp With Asymmetric Protomers.
authors C.Koshy, C.Ziegler, O.Yildiz
compound source
Molecule: Glycine Betaine Transporter Betp
Chain: A, B, C
Fragment: Residues 41-579
Engineered: Yes
Organism_scientific: Corynebacterium Glutamicum
Organism_taxid: 1718
Expression_system: Escherichia Coli
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_variant: Ril-X
Expression_system_vector_type: Plasmid
Expression_system_vector: Pask
Expression_system_plasmid: Pask Iba7
symmetry Space Group: P 21 21 21
R_factor 0.225 R_Free 0.285
crystal
cell
length a length b length c angle alpha angle beta angle gamma
112.810 128.150 159.690 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.10 Å
ligand BET, CL, CM5, FLC, NA, PEG enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, C, B
  • symporter activity
  • transmembrane transporter ac...


  • Primary referenceAlternating-access mechanism in conformationally asymmetric trimers of the betaine transporter BetP., Perez C, Koshy C, Yildiz O, Ziegler C, Nature. 2012 Sep 2. doi: 10.1038/nature11403. PMID:22940865
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (496 Kb) [Save to disk]
  • Biological Unit Coordinates (4ain.pdb1.gz) 488 Kb
  • LPC: Ligand-Protein Contacts for 4AIN
  • CSU: Contacts of Structural Units for 4AIN
  • Structure Factors (314 Kb)
  • Retrieve 4AIN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4AIN from S2C, [Save to disk]
  • Re-refined 4ain structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4AIN 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 4AIN
  • 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 4AIN, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4ain_C] [4ain_B] [4ain] [4ain_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4AIN
  • Community annotation for 4AIN at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014,2022
    Bioinformatics Unit
    Weizmann Institute of Science