2B5F Transport Protein,Membrane Protein date Sep 28, 2005
title Crystal Structure Of The Spinach Aquaporin Sopip2;1 In An Open Conformation To 3.9 Resolution
authors S.Tornroth-Horsefield, Y.Wang, K.Hedfalk, U.Johanson, M.Karlsson, E.Tajkhorshid, R.Neutze, P.Kjellbom
compound source
Molecule: Aquaporin
Chain: A, B, C, D
Synonym: Plasma Membrane Intrinsic Protein; Sopip2
Engineered: Yes
Organism_scientific: Spinacia Oleracea
Organism_common: Spinach
Organism_taxid: 3562
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: X33
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ppiczb
symmetry Space Group: P 21 21 2
R_factor 0.290 R_Free 0.332
crystal
cell
length a length b length c angle alpha angle beta angle gamma
181.300 103.970 67.070 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.90 Å
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B
  • water channel activity


  • Primary referenceStructural mechanism of plant aquaporin gating., Tornroth-Horsefield S, Wang Y, Hedfalk K, Johanson U, Karlsson M, Tajkhorshid E, Neutze R, Kjellbom P, Nature. 2006 Feb 9;439(7077):688-94. Epub 2005 Dec 7. PMID:16340961
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk]
  • Biological Unit Coordinates (2b5f.pdb1.gz) 138 Kb
  • CSU: Contacts of Structural Units for 2B5F
  • Likely Quarternary Molecular Structure file(s) for 2B5F
  • Structure Factors (102 Kb)
  • Retrieve 2B5F in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2B5F from S2C, [Save to disk]
  • Re-refined 2b5f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2B5F 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 2B5F
  • 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 2B5F, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2b5f_A] [2b5f_D] [2b5f_B] [2b5f] [2b5f_C]
  • SWISS-PROT database: [Q41372]
  • Domain organization of [Q41372_SPIOL] by SWISSPFAM
  • Other resources with information on 2B5F
  • Community annotation for 2B5F 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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