4NPJ Extended-Synaptotagmin 2, C2A- and C2B-domains date
authors Tomchick, D.R., Rizo, J., Xu, J.
compound source
R_Free 0.2388
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.10
ligand ACT, CL, NA enzyme
A, B

Primary referenceStructure and Ca-Binding Properties of the Tandem C Domains of E-Syt2., Xu J, Bacaj T, Zhou A, Tomchick DR, Sudhof TC, Rizo J, Structure. 2013 Dec 24. pii: S0969-2126(13)00461-9. doi:, 10.1016/j.str.2013.11.011. PMID:24373768
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (301 Kb) [Save to disk]
  • Biological Unit Coordinates (4npj.pdb1.gz) 151 Kb
  • Biological Unit Coordinates (4npj.pdb2.gz) 147 Kb
  • Biological Unit Coordinates (4npj.pdb3.gz) 296 Kb
  • Biological Unit Coordinates (4npj.pdb4.gz) 295 Kb
  • LPC: Ligand-Protein Contacts for 4NPJ
  • CSU: Contacts of Structural Units for 4NPJ
  • Structure Factors (1256 Kb)
  • Retrieve 4NPJ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4NPJ from S2C, [Save to disk]
  • Re-refined 4npj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4NPJ 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 4NPJ
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4NPJ, from MSDmotif at EBI
  • Fold representative 4npj from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4npj] [4npj_A] [4npj_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4NPJ: [C2 ] by SMART
  • Other resources with information on 4NPJ
  • Community annotation for 4NPJ at PDBWiki (http://pdbwiki.org)

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