1XK4 date
authors
compound source
symmetry
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution
ligand CA, CL, FLC enzyme
note 1XK4 is a representative structure
Gene
Ontology
ChainFunctionProcessComponent
B, J, F, I, E, A


C, D, G, H, L, K
  • antioxidant activity


    • Primary referenceThe crystal structure of the human (S100A8/S100A9)2 heterotetramer, calprotectin, illustrates how conformational changes of interacting alpha-helices can determine specific association of two EF-hand proteins., Korndorfer IP, Brueckner F, Skerra A, J Mol Biol. 2007 Jul 27;370(5):887-98. Epub 2007 May 3. PMID:17553524
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (213 Kb) [Save to disk]
  • Biological Unit Coordinates (1xk4.pdb1.gz) 69 Kb
  • Biological Unit Coordinates (1xk4.pdb2.gz) 69 Kb
  • Biological Unit Coordinates (1xk4.pdb3.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 1XK4
  • CSU: Contacts of Structural Units for 1XK4
  • Likely Quarternary Molecular Structure file(s) for 1XK4
  • Structure Factors (973 Kb)
  • Retrieve 1XK4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XK4 from S2C, [Save to disk]
  • Re-refined 1xk4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1XK4 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.
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xk4] [1xk4_A] [1xk4_B] [1xk4_C] [1xk4_D] [1xk4_E] [1xk4_F] [1xk4_G] [1xk4_H] [1xk4_I] [1xk4_J] [1xk4_K] [1xk4_L]
  • SWISS-PROT database: [P05109] [P06702]
  • Domain found in 1XK4: [S_100 ] by SMART

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