1KQL Contractile Protein date Jan 07, 2002
title Crystal Structure Of The C-Terminal Region Of Striated Muscl Tropomyosin At 2.7 Angstrom Resolution
authors Y.Li, S.Mui, J.H.Brown, J.Strand, L.Reshetnikova, L.S.Tobacman, C.
compound source
Molecule: Fusion Protein Of And Striated Muscle Alpha-Tropo The Gcn4 Leucine Zipper;
Chain: A, B
Engineered: Yes
Other_details: N-Terminal Methionine Followed By Sequence D Residues 255-278 Of Gcn4 Leucine Zipper And Then C-Terminal Database Residues 254-284 Of Rat Striated Muscle Alpha-Trop
Organism_scientific: Saccharomyces Cerevisiae, Rattus Norve
Organism_common: Baker'S Yeast, Norway Rat
Organism_taxid: 4932, 10116
Strain: ,
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: De3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet3d
Expression_system_gene: Gcn4, Arg9
symmetry Space Group: P 64 2 2
R_factor 0.252 R_Free 0.289
length a length b length c angle alpha angle beta angle gamma
137.202 137.202 40.071 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.70 Å
related structures by homologous chain: 1ENV, 1MV4, 1YSA
Primary referenceThe crystal structure of the C-terminal fragment of striated-muscle alpha-tropomyosin reveals a key troponin T recognition site., Li Y, Mui S, Brown JH, Strand J, Reshetnikova L, Tobacman LS, Cohen C, Proc Natl Acad Sci U S A 2002 May 28;99(11):7378-83. PMID:12032291
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk]
  • Biological Unit Coordinates (1kql.pdb1.gz) 20 Kb
  • Biological Unit Coordinates (1kql.pdb2.gz) 38 Kb
  • CSU: Contacts of Structural Units for 1KQL
  • Likely Quarternary Molecular Structure file(s) for 1KQL
  • Structure Factors (82 Kb)
  • Retrieve 1KQL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KQL from S2C, [Save to disk]
  • Re-refined 1kql structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KQL 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 1KQL
  • 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 1KQL, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kqla_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1kqlb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1kql 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: [1kql] [1kql_B] [1kql_A]
  • SWISS-PROT database: [P03069]
  • Domain organization of [GCN4_YEAST] by SWISSPFAM
  • Other resources with information on 1KQL
  • Community annotation for 1KQL 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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