3G43 Metal Binding Protein date Feb 03, 2009
title Crystal Structure Of The Calmodulin-Bound Cav1.2 C-Terminal Domain Dimer
authors J.L.Fallon, F.A.Quiocho
compound source
Molecule: Calmodulin
Chain: A, B, C, D
Synonym: Cam
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Calm, Calm1, Calm2, Calm3, Calml2, Cam, Cam1, Cam2, C Camb, Camc, Camiii;
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet3a

Molecule: Voltage-Dependent L-Type Calcium Channel Subunit
Chain: E, F
Fragment: C-Terminal Fragment: Unp Residues 1609-1682
Synonym: Voltage-Gated Calcium Channel Subunit Alpha Cav1.2 Channel, L Type, Alpha-1 Polypeptide, Isoform 1, Cardiac Mu
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cacna1c, Cach2, Cacn2, Cacnl1a1, Cchl1a1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-6p-1
symmetry Space Group: P 21 21 21
R_factor 0.220 R_Free 0.269
crystal
cell
length a length b length c angle alpha angle beta angle gamma
39.790 113.980 182.130 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand CA enzyme
note 3G43 is a representative structure
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B
  • positive regulation of ryano...

  • Primary referenceCrystal structure of dimeric cardiac L-type calcium channel regulatory domains bridged by Ca2+* calmodulins., Fallon JL, Baker MR, Xiong L, Loy RE, Yang G, Dirksen RT, Hamilton SL, Quiocho FA, Proc Natl Acad Sci U S A. 2009 Mar 31;106(13):5135-40. Epub 2009 Mar 11. PMID:19279214
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (121 Kb) [Save to disk]
  • Biological Unit Coordinates (3g43.pdb1.gz) 113 Kb
  • LPC: Ligand-Protein Contacts for 3G43
  • CSU: Contacts of Structural Units for 3G43
  • Likely Quarternary Molecular Structure file(s) for 3G43
  • Structure Factors (1507 Kb)
  • Retrieve 3G43 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3G43 from S2C, [Save to disk]
  • Re-refined 3g43 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3G43 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 3G43
  • 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 3G43, from MSDmotif at EBI
  • Fold representative 3g43 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3g43_F] [3g43] [3g43_A] [3g43_B] [3g43_E] [3g43_D] [3g43_C]
  • 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 3G43: [Ca_chan_IQ] [EFh ] by SMART
  • Other resources with information on 3G43
  • Community annotation for 3G43 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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