3DVM	Membrane Protein	date	Jul 18, 2008
title	Crystal Structure Of Ca2+Cam-Cav2.1 Iq Domain Complex
authors	E.Y.Kim, C.H.Rumpf, Y.Fujiwara, E.S.Cooley, F.Van Petegem, D.L.Mi
compound		source
Molecule: Calmodulin Chain: A Synonym: Cam Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Calm1, Calm, Cam, Cam1, Calm2, Cam2, Camb, Calm3, Cal Cam3, Camc, Camiii; Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)-Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pegst
Molecule: Voltage-Dependent Pq-Type Calcium Channel Subuni 1a; Chain: B Fragment: Unp Residues 1963-1982 Synonym: Voltage-Gated Calcium Channel Subunit Alpha Cav2.1 Channel, L Type, Alpha-1 Polypeptide Isoform 4, Brain Calci I, Bi; Engineered: Yes		Organism_scientific: Oryctolagus Cuniculus Organism_common: Rabbit Organism_taxid: 9986 Gene: Cacna1a, Cach4, Cacn3, Cacnl1a4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)-Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b-Hmt
symmetry	Space Group: P 61 2 2	R_factor 0.276 R_Free 0.320
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.956 43.956 337.870 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	CA	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Structures of CaV2 Ca2+/CaM-IQ domain complexes reveal binding modes that underlie calcium-dependent inactivation and facilitation., Kim EY, Rumpf CH, Fujiwara Y, Cooley ES, Van Petegem F, Minor DL Jr, Structure. 2008 Oct 8;16(10):1455-67. PMID:18940602

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk] Biological Unit Coordinates (3dvm.pdb1.gz) 25 Kb LPC: Ligand-Protein Contacts for 3DVM CSU: Contacts of Structural Units for 3DVM Likely Quarternary Molecular Structure file(s) for 3DVM Structure Factors (162 Kb) Retrieve 3DVM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DVM from S2C, [Save to disk] Re-refined 3dvm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DVM 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 3DVM

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 3D motif for 3DVM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dvm_A] [3dvm] [3dvm_B] SWISS-PROT database: [P27884] [P62158] Belongs to the calmodulin calcium binding protein (calmodulin) family according to TCDB. Domain organization of [CAC1A_RABIT] [CALM_HUMAN] by SWISSPFAM Domain found in 3DVM: [EFh ] by SMART

Other resources with information on 3DVM

Community annotation for 3DVM at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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