1KK8 Contractile Protein date Dec 06, 2001
title Scallop Myosin (S1-Adp-Befx) In The Actin-Detached Conformat
authors M.Himmel, S.Gourinath, L.Reshetnikova, Y.Shen, G.Szent-Gyorgyi, C
compound source
Molecule: Myosin Heavy Chain, Striated Muscle
Chain: A
Fragment: Myosin Heavy Chain
Mutation: Yes
 Organism_scientific: Argopecten Irradians
Organism_taxid: 31199
Strain: Bay Scallop
Other_details: Papain Digestion Of Myosin

Molecule: Myosin Regulatory Light Chain, Striated Adductor
Chain: B
Fragment: Myosin Regulatory Light Chain
Synonym: R-Lc
Organism_scientific: Argopecten Irradians
Organism_taxid: 31199
Strain: Bay Scallop
Other_details: Papain Digestion Of Myosin

Molecule: Myosin Essential Light Chain,Striated Adductor Mu
Chain: C
Fragment: Myosin Essential Light Chain
Synonym: E-Lc
Organism_scientific: Argopecten Irradians
Organism_taxid: 31199
Strain: Bay Scallop
Other_details: Papain Digestion Of Myosin
symmetry Space Group: P 1
R_factor 0.230 R_Free 0.269
crystal
cell
length a length b length c angle alpha angle beta angle gamma
51.604 58.527 133.295 81.08 84.94 67.24
method X-Ray Diffractionresolution 2.30 Å
ligand ADP, BEF, CA, GOL, MG enzyme
related structures by homologous chain: 1B7T, 1WDC
Gene
Ontology
ChainFunctionProcessComponent
A


B


C


Primary referenceCrystallographic findings on the internally uncoupled and near-rigor states of myosin: further insights into the mechanics of the motor., Himmel DM, Gourinath S, Reshetnikova L, Shen Y, Szent-Gyorgyi AG, Cohen C, Proc Natl Acad Sci U S A. 2002 Oct 1;99(20):12645-50. Epub 2002 Sep 24. PMID:12297624
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (184 Kb) [Save to disk]
  • Biological Unit Coordinates (1kk8.pdb1.gz) 177 Kb
  • LPC: Ligand-Protein Contacts for 1KK8
  • CSU: Contacts of Structural Units for 1KK8
  • Likely Quarternary Molecular Structure file(s) for 1KK8
  • Structure Factors (435 Kb)
  • Retrieve 1KK8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KK8 from S2C, [Save to disk]
  • Re-refined 1kk8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1KK8 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 1KK8
  • 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 1KK8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kk8a2, region A:1-28,A:77-837 [Jmol] [rasmolscript] [script source]
        - Domain d1kk8a1, region A:29-76 [Jmol] [rasmolscript] [script source]
        - Domain d1kk8b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1kk8c_, region C [Jmol] [rasmolscript] [script source]
  • Fold representative 1kk8 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: [1kk8_B] [1kk8] [1kk8_C] [1kk8_A]
  • SWISS-PROT database: [P07291] [P13543] [P24733]
  • Domain organization of [MLE_AEQIR] [MLR_AEQIR] [MYS_AEQIR] by SWISSPFAM
  • Domains found in 1KK8: [EFh] [IQ] [MYSc ] by SMART
    • Other resources with information on 1KK8
  • Community annotation for 1KK8 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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