2V8N Transport Protein date Aug 09, 2007
title Wild-Type Structure Of Lactose Permease
authors L.Guan, O.Mirza, G.Verner, S.Iwata, H.R.Kaback
compound source
Molecule: Lactose Permease
Chain: A, B
Synonym: Lactose-Proton Symport
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.294 R_Free 0.333
crystal
cell
length a length b length c angle alpha angle beta angle gamma
101.370 127.400 188.460 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.60 Å
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • carbohydrate:proton symporte...
  • symporter activity
  • transmembrane transporter ac...


    • Primary referenceStructural determination of wild-type lactose permease., Guan L, Mirza O, Verner G, Iwata S, Kaback HR, Proc Natl Acad Sci U S A. 2007 Sep 25;104(39):15294-8. Epub 2007 Sep 19. PMID:17881559
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (136 Kb) [Save to disk]
  • Biological Unit Coordinates (2v8n.pdb1.gz) 67 Kb
  • Biological Unit Coordinates (2v8n.pdb2.gz) 67 Kb
  • CSU: Contacts of Structural Units for 2V8N
  • Likely Quarternary Molecular Structure file(s) for 2V8N
  • Structure Factors (215 Kb)
  • Retrieve 2V8N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2V8N from S2C, [Save to disk]
  • Re-refined 2v8n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2V8N 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 2V8N
  • 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 2V8N, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2v8n] [2v8n_A] [2v8n_B]
  • SWISS-PROT database: [P02920]
  • Belongs to the major facilitator superfamily (mfs) according to TCDB.
  • Domain organization of [LACY_ECOLI] by SWISSPFAM
    • Other resources with information on 2V8N
  • Community annotation for 2V8N at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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