2CFP Transport date Feb 22, 2006
title Sugar Free Lactose Permease At Acidic Ph
authors O.Mirza, L.Guan, G.Verner, S.Iwata, H.R.Kaback
compound source
Molecule: Lactose Permease
Chain: A
Synonym: Lactose-Proton Symport
Engineered: Yes
Mutation: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 43 21 2
R_factor 0.286 R_Free 0.328
crystal
cell
length a length b length c angle alpha angle beta angle gamma
123.920 123.920 190.850 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.30 Å
ligand HG enzyme
Gene
Ontology
ChainFunctionProcessComponent
A
  • carbohydrate:proton symporte...
  • symporter activity
  • transmembrane transporter ac...


    • Primary referenceStructural evidence for induced fit and a mechanism for sugar/H+ symport in LacY., Mirza O, Guan L, Verner G, Iwata S, Kaback HR, EMBO J. 2006 Mar 22;25(6):1177-83. Epub 2006 Mar 9. PMID:16525509
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk]
  • Biological Unit Coordinates (2cfp.pdb1.gz) 67 Kb
  • LPC: Ligand-Protein Contacts for 2CFP
  • CSU: Contacts of Structural Units for 2CFP
  • Likely Quarternary Molecular Structure file(s) for 2CFP
  • Retrieve 2CFP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2CFP from S2C, [Save to disk]
    • View 2CFP 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 2CFP
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2CFP, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2cfp_A] [2cfp]
  • 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 2CFP
  • Community annotation for 2CFP 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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