1QKO Photoreceptor date Jul 30, 1999
title High Resolution X-Ray Structure Of An Early Intermediate In Bacteriorhodopsin Photocycle
authors K.Edman, P.Nollert, A.Royant, H.Belrhali, E.Pebay-Peyroula, J.Haj R.Neutze, E.M.Landau
compound source
Molecule: Bacteriorhodopsin
Chain: A
Other_details: Retinal Linked To Lys 216 Via A Schiff Base
 Organism_scientific: Halobacterium Salinarium
Organism_taxid: 2242
Strain: S9
Cellular_location: Plasma Membrane
symmetry Space Group: P 63
R_factor 0.261 R_Free 0.303
crystal
cell
length a length b length c angle alpha angle beta angle gamma
61.060 61.060 110.570 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.10 Å
ligand RET enzyme
related structures by homologous chain: 1E0P, 1QKP
Gene
Ontology
ChainFunctionProcessComponent
A
  • ion channel activity


    • Primary referenceHigh-resolution X-ray structure of an early intermediate in the bacteriorhodopsin photocycle., Edman K, Nollert P, Royant A, Belrhali H, Pebay-Peyroula E, Hajdu J, Neutze R, Landau EM, Nature 1999 Oct 21;401(6755):822-6. PMID:10548112
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk]
  • Biological Unit Coordinates (1qko.pdb1.gz) 105 Kb
  • LPC: Ligand-Protein Contacts for 1QKO
  • CSU: Contacts of Structural Units for 1QKO
  • Likely Quarternary Molecular Structure file(s) for 1QKO
  • Structure Factors (229 Kb)
  • Retrieve 1QKO in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QKO from S2C, [Save to disk]
  • Re-refined 1qko structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1QKO 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 1QKO
  • 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 1QKO, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qkoa_, region A [Jmol] [rasmolscript] [script source]
  • 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: [1qko] [1qko_A]
  • SWISS-PROT database: [P02945]
  • Belongs to the ion-translocating microbial rhodopsin (mr) family according to TCDB.
  • Domain organization of [BACR_HALSA] by SWISSPFAM
  • Domain found in 1QKO: [Bac_rhodopsin ] by SMART
    • Other resources with information on 1QKO
  • Community annotation for 1QKO 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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