4D1E Contractile Protein date May 01, 2014
title The Crystal Structure Of Human Muscle Alpha-Actinin-2
authors N.Pinotsis, A.Salmazo, B.Sjoeblom, E.Gkougkoulia, K.Djinovic-Car
compound source
Molecule: Alpha-Actinin-2
Chain: A
Fragment: Residues 19-894
Synonym: Alpha-Actinin Skeletal Muscle Isoform 2, F-Actin Cross-Linking Protein;
Engineered: Yes
Mutation: Yes
Other_details: Delta 1-18 Lysine Methylation
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Tissue: Muscle
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: Rosetta Plyss
Expression_system_vector_type: Plasmid
Expression_system_vector: Petm11
symmetry Space Group: P 2 21 21
R_factor 0.2047 R_Free 0.2580
length a length b length c angle alpha angle beta angle gamma
73.334 102.613 182.977 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.50 Å
ligand MLZ enzyme
  • thyroid hormone receptor coa...

  • Primary referenceThe Structure and Regulation of Human Muscle alpha-Actinin., Ribeiro Ede A Jr, Pinotsis N, Ghisleni A, Salmazo A, Konarev PV, Kostan J, Sjoblom B, Schreiner C, Polyansky AA, Gkougkoulia EA, Holt MR, Aachmann FL, Zagrovic B, Bordignon E, Pirker KF, Svergun DI, Gautel M, Djinovic-Carugo K, Cell. 2014 Dec 4;159(6):1447-60. doi: 10.1016/j.cell.2014.10.056. Epub 2014 Nov, 26. PMID:25433700
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (308 Kb) [Save to disk]
  • Biological Unit Coordinates (4d1e.pdb1.gz) 597 Kb
  • LPC: Ligand-Protein Contacts for 4D1E
  • CSU: Contacts of Structural Units for 4D1E
  • Structure Factors (224 Kb)
  • Retrieve 4D1E in mmCIF format [Save to disk]
  • Re-refined 4d1e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4D1E 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 4D1E
  • 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 4D1E, from MSDmotif at EBI
  • Fold representative 4d1e from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4d1e_A] [4d1e]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4D1E: [CH] [EFh] [SPEC] [efhand_Ca_insen ] by SMART
  • Other resources with information on 4D1E
  • Community annotation for 4D1E at PDBWiki (http://pdbwiki.org)

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