3NSO Metal Binding Protein date Jul 02, 2010
title Crystal Structure Of S100a3 Protein Expressed In Insect Cell
authors M.Unno, H.Takahara, K.Kizawa
compound source
Molecule: Protein S100-A3
Chain: A, B
Synonym: S100 Calcium-Binding Protein A3, Protein S-100e
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: S100a3, S100e
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108
Expression_system_cell_line: Iplb-Sf21
Expression_system_vector_type: Baculovirus
symmetry Space Group: P 31
R_factor 0.199 R_Free 0.223
crystal
cell
length a length b length c angle alpha angle beta angle gamma
58.673 58.673 45.797 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.45 Å
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceRefined crystal structures of human Ca(2+)/Zn(2+)-binding S100A3 protein characterized by two disulfide bridges., Unno M, Kawasaki T, Takahara H, Heizmann CW, Kizawa K, J Mol Biol. 2011 May 6;408(3):477-90. Epub 2011 Mar 4. PMID:21377473
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk]
  • Biological Unit Coordinates (3nso.pdb1.gz) 66 Kb
  • CSU: Contacts of Structural Units for 3NSO
  • Structure Factors (460 Kb)
  • Retrieve 3NSO in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3NSO from S2C, [Save to disk]
  • Re-refined 3nso structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3NSO 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 3NSO
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3NSO, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3nso_A] [3nso] [3nso_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3NSO: [S_100 ] by SMART
  • Other resources with information on 3NSO
  • Community annotation for 3NSO 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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