1QIV Calcium-Binding Protein date Jun 17, 1999
title Calmodulin Complexed With N-(3,3,-Diphenylpropyl)-N'-[1-R-(3 Butoxyphenyl)-Ethyl]-Propylenediamine (Dpd), 1:2 Complex
authors V.Harmat, Z.S.Bocskei, B.G.Vertessy, G.Naray-Szabo, J.Ovadi
compound source
Molecule: Calmodulin
Chain: A
Organism_scientific: Bos Taurus
Organism_common: Bovine
Organism_taxid: 9913
Organ: Brain
Cellular_location: Cytoplasm
symmetry Space Group: P 32 2 1
R_factor 0.207 R_Free 0.301
length a length b length c angle alpha angle beta angle gamma
40.125 40.125 173.814 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.64 Å
ligand CA, DPD BindingDB enzyme
related structures by homologous chain: 1A29, 1QX5
  • enzyme regulator activity

  • Primary referenceA new potent calmodulin antagonist with arylalkylamine structure: crystallographic, spectroscopic and functional studies., Harmat V, Bocskei Z, Naray-Szabo G, Bata I, Csutor AS, Hermecz I, Aranyi P, Szabo B, Liliom K, Vertessy BG, Ovadi J, J Mol Biol 2000 Mar 31;297(3):747-55. PMID:10731425
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk]
  • Biological Unit Coordinates (1qiv.pdb1.gz) 25 Kb
  • LPC: Ligand-Protein Contacts for 1QIV
  • CSU: Contacts of Structural Units for 1QIV
  • Likely Quarternary Molecular Structure file(s) for 1QIV
  • Structure Factors (40 Kb)
  • Retrieve 1QIV in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QIV from S2C, [Save to disk]
  • Re-refined 1qiv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QIV 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 1QIV
  • 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 1QIV, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qiva_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1qiv 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: [1qiv_A] [1qiv]
  • SWISS-PROT database: [P62157]
  • Domain organization of [CALM_BOVIN] by SWISSPFAM
  • Domain found in 1QIV: [EFh ] by SMART
  • Other resources with information on 1QIV
  • Community annotation for 1QIV 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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