2FOT Metal Binding, Structural Protein date Jan 13, 2006
title Crystal Structure Of The Complex Between Calmodulin And Alph Spectrin
authors M.Simonovic, Z.Zhang, C.D.Cianci, T.A.Steitz, J.S.Morrow
compound source
Molecule: Calmodulin
Chain: A
Synonym: Cam
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Alpha-II Spectrin Spectrin
Chain: C
Fragment: Calmodulin Binding Domain
Synonym: Spectrin, Non-Erythroid Alpha Chain, Spectrin Alph Fodrin Alpha Chain;
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Sptan1, Spta2
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector: Plasmid
Expression_system_plasmid: Pgex2t
symmetry Space Group: P 21 21 21
R_factor 0.245 R_Free 0.269
crystal
cell
length a length b length c angle alpha angle beta angle gamma
44.288 57.737 69.753 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.45 Å
ligand CA enzyme
Gene
Ontology
ChainFunctionProcessComponent
A
  • enzyme regulator activity


  • Primary referenceStructure of the calmodulin alphaII-spectrin complex provides insight into the regulation of cell plasticity., Simonovic M, Zhang Z, Cianci CD, Steitz TA, Morrow JS, J Biol Chem. 2006 Nov 10;281(45):34333-40. Epub 2006 Aug 31. PMID:16945920
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk]
  • Biological Unit Coordinates (2fot.pdb1.gz) 26 Kb
  • LPC: Ligand-Protein Contacts for 2FOT
  • CSU: Contacts of Structural Units for 2FOT
  • Likely Quarternary Molecular Structure file(s) for 2FOT
  • Structure Factors (103 Kb)
  • Retrieve 2FOT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2FOT from S2C, [Save to disk]
  • Re-refined 2fot structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2FOT 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 2FOT
  • 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 2FOT, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2fot_C] [2fot_A] [2fot]
  • SWISS-PROT database: [P62157] [Q13813]
  • Domain organization of [CALM_BOVIN] [SPTA2_HUMAN] by SWISSPFAM
  • Domain found in 2FOT: [EFh ] by SMART
  • Other resources with information on 2FOT
  • Community annotation for 2FOT 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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