1S5H Potassium Channel Kcsa-Fab Complex T75C mutant in K+ date
authors Mackinnon, R., Zhou, M.
compound source
R_Free 0.24
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.20
ligand DGA, F09, K enzyme
related structures by homologous chain: 1K4C, 1K4D, 1UWX, 2CGR

Primary referenceA mutant KcsA K(+) channel with altered conduction properties and selectivity filter ion distribution., Zhou M, MacKinnon R, J Mol Biol 2004 May 7;338(4):839-46. PMID:15099749
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (92 Kb) [Save to disk]
  • Biological Unit Coordinates (1s5h.pdb1.gz) 332 Kb
  • LPC: Ligand-Protein Contacts for 1S5H
  • CSU: Contacts of Structural Units for 1S5H
  • Likely Quarternary Molecular Structure file(s) for 1S5H
  • Structure Factors (387 Kb)
  • Retrieve 1S5H in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1S5H from S2C, [Save to disk]
  • Re-refined 1s5h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1S5H 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 1S5H
  • 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 1S5H, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1s5ha1, region A:1-107 [Jmol] [rasmolscript] [script source]
        - Domain d1s5ha2, region A:108-211 [Jmol] [rasmolscript] [script source]
        - Domain d1s5hb1, region B:1-118 [Jmol] [rasmolscript] [script source]
        - Domain d1s5hb2, region B:119-219 [Jmol] [rasmolscript] [script source]
        - Domain d1s5hc_, region C [Jmol] [rasmolscript] [script source]
  • Fold representative 1s5h from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1s5h_C] [1s5h_A] [1s5h] [1s5h_B]
  • SWISS-PROT database: [P01837] [P0A333]
  • Domain organization of [IGKC_MOUSE] [KCSA_STRCO] by SWISSPFAM
  • Domains found in 1S5H: [IG_like] [IGv ] by SMART
  • Other resources with information on 1S5H
  • Community annotation for 1S5H 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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