2FXM Contractile Protein date Feb 06, 2006
title Structure Of The Human Beta-Myosin S2 Fragment
authors W.Blankenfeldt, N.H.Thoma, J.S.Wray, M.Gautel, I.Schlichting
compound source
Molecule: Myosin Heavy Chain, Cardiac Muscle Beta Isoform
Chain: A, B
Fragment: Delta-S2 Fragment (838-963)
Synonym: Beta-Myosin, Myhc-Beta
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Tissue: Heart Muscle
Gene: Hsbmhc
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet
symmetry Space Group: C 2 2 21
R_factor 0.242 R_Free 0.283
length a length b length c angle alpha angle beta angle gamma
40.290 45.970 373.700 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.70 Å
ligand HG enzyme
A, B

Primary referenceCrystal structures of human cardiac {beta}-myosin II S2-{Delta} provide insight into the functional role of the S2 subfragment., Blankenfeldt W, Thoma NH, Wray JS, Gautel M, Schlichting I, Proc Natl Acad Sci U S A. 2006 Nov 9;. PMID:17095604
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk]
  • Biological Unit Coordinates (2fxm.pdb1.gz) 41 Kb
  • LPC: Ligand-Protein Contacts for 2FXM
  • CSU: Contacts of Structural Units for 2FXM
  • Likely Quarternary Molecular Structure file(s) for 2FXM
  • Structure Factors (77 Kb)
  • Retrieve 2FXM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2FXM from S2C, [Save to disk]
  • Re-refined 2fxm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2FXM 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 2FXM
  • 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 2FXM, from MSDmotif at EBI
  • Fold representative 2fxm from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2fxm] [2fxm_B] [2fxm_A]
  • SWISS-PROT database: [P12883]
  • Domain organization of [MYH7_HUMAN] by SWISSPFAM
  • Other resources with information on 2FXM
  • Community annotation for 2FXM 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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