2F3Y Metal Binding Protein date Nov 22, 2005
title Calmoduliniq Domain Complex
authors J.L.Fallon, F.A.Quiocho
compound source
Molecule: Calmodulin
Chain: A
Synonym: Cam
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Calm1, Calm2, Calm3
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet3a

Molecule: Voltage-Dependent L-Type Calcium Channel Alpha-1c
Chain: B
Synonym: Voltage- Gated Calcium Channel Alpha Subunit Cav1. Channel, L Type, Alpha-1 Polypeptide, Isoform 1, Cardiac Mu
Engineered: Yes

Synthetic: Yes
Other_details: The Iq Domain Of The Cardiac Cav1.2 Channel
symmetry Space Group: C 1 2 1
R_factor 0.189 R_Free 0.219
length a length b length c angle alpha angle beta angle gamma
86.200 30.960 63.940 90.00 114.54 90.00
method X-Ray Diffractionresolution 1.45 Å
ligand CA, MG enzyme
  • positive regulation of ryano...

  • Primary referenceStructure of calmodulin bound to the hydrophobic IQ domain of the cardiac Ca(v)1.2 calcium channel., Fallon JL, Halling DB, Hamilton SL, Quiocho FA, Structure. 2005 Dec;13(12):1881-6. PMID:16338416
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk]
  • Biological Unit Coordinates (2f3y.pdb1.gz) 35 Kb
  • LPC: Ligand-Protein Contacts for 2F3Y
  • CSU: Contacts of Structural Units for 2F3Y
  • Likely Quarternary Molecular Structure file(s) for 2F3Y
  • Structure Factors (790 Kb)
  • Retrieve 2F3Y in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2F3Y from S2C, [Save to disk]
  • Re-refined 2f3y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2F3Y 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 2F3Y
  • 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 2F3Y, from MSDmotif at EBI
  • Fold representative 2f3y from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2f3y] [2f3y_B] [2f3y_A]
  • SWISS-PROT database: [Q13936] [P62158]
  • Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB.
  • Belongs to the calmodulin calcium binding protein (calmodulin) family according to TCDB.
  • Domain organization of [CAC1C_HUMAN] [CALM_HUMAN] by SWISSPFAM
  • Domains found in 2F3Y: [Ca_chan_IQ] [EFh ] by SMART
  • Other resources with information on 2F3Y
  • Community annotation for 2F3Y 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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