3CZT Metal Binding Protein date Apr 30, 2008
title Crystal Structure Of S100b In The Calcium And Zinc Loaded St
authors T.Ostendorp, J.Diez, C.W.Heizmann, G.Fritz
compound source
Molecule: Protein S100-B
Chain: X
Synonym: S100 Calcium-Binding Protein B, S-100 Protein Subu S-100 Protein Beta Chain;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: S100b
Expression_system: Escherichia Coli
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgemex-2
symmetry Space Group: C 2 2 21
R_factor 0.162 R_Free 0.222
length a length b length c angle alpha angle beta angle gamma
34.980 89.260 59.580 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.40 Å
ligand CA, ZN enzyme
note 3CZT is a representative structure

Primary referenceThe crystal structures of human S100B in the zinc- and calcium-loaded state at three pH values reveal zinc ligand swapping., Ostendorp T, Diez J, Heizmann CW, Fritz G, Biochim Biophys Acta. 2010 Oct 13. PMID:20950652
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk]
  • Biological Unit Coordinates (3czt.pdb1.gz) 79 Kb
  • LPC: Ligand-Protein Contacts for 3CZT
  • CSU: Contacts of Structural Units for 3CZT
  • Likely Quarternary Molecular Structure file(s) for 3CZT
  • Structure Factors (436 Kb)
  • Retrieve 3CZT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3CZT from S2C, [Save to disk]
  • Re-refined 3czt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3CZT 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 3CZT
  • 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 3CZT, from MSDmotif at EBI
  • Fold representative 3czt from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3czt_X] [3czt]
  • SWISS-PROT database: [P04271]
  • Belongs to the s100 calcium-binding protein (s100) family according to TCDB.
  • Domain organization of [S100B_HUMAN] by SWISSPFAM
  • Domain found in 3CZT: [S_100 ] by SMART
  • Other resources with information on 3CZT
  • Community annotation for 3CZT 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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