1EXR Metal Transport date May 03, 2000
title The 1.0 Angstrom Crystal Structure Of Ca+2 Bound Calmodulin
authors M.A.Wilson, A.T.Brunger
compound source
Molecule: Calmodulin
Chain: A
Engineered: Yes
Organism_scientific: Paramecium Tetraurelia
Organism_taxid: 5888
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pkk233-3
symmetry Space Group: P 1
length a length b length c angle alpha angle beta angle gamma
25.015 29.415 52.761 89.54 86.10 82.39
method X-Ray Diffractionresolution 1.00 Å
ligand CA enzyme
note 1EXR is a representative structure
related structures by homologous chain: 1GGZ
  • enzyme regulator activity

  • Primary referenceThe 1.0 A crystal structure of Ca(2+)-bound calmodulin: an analysis of disorder and implications for functionally relevant plasticity., Wilson MA, Brunger AT, J Mol Biol 2000 Sep 1;301(5):1237-56. PMID:10966818
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk]
  • Biological Unit Coordinates (1exr.pdb1.gz) 68 Kb
  • LPC: Ligand-Protein Contacts for 1EXR
  • CSU: Contacts of Structural Units for 1EXR
  • Likely Quarternary Molecular Structure file(s) for 1EXR
  • Structure Factors (629 Kb)
  • Retrieve 1EXR in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EXR from S2C, [Save to disk]
  • Re-refined 1exr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1EXR 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 1EXR
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1EXR from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1EXR, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1exra_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1exr 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: [1exr] [1exr_A]
  • SWISS-PROT database: [P07463]
  • Domain organization of [CALM_PARTE] by SWISSPFAM
  • Domain found in 1EXR: [EFh ] by SMART
  • Other resources with information on 1EXR
  • Community annotation for 1EXR at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1EXR from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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