2AR9 Hydrolase date Aug 19, 2005
title Crystal Structure Of A Dimeric Caspase-9
authors Y.Chao, E.N.Shiozaki, S.M.Srinivassula, D.J.Rigotti, R.Fairman, Y
compound source
Molecule: Caspase-9
Chain: A, B, C, D
Fragment: Residues 140-416
Ec: 3.4.22.-
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: C 1 2 1
R_factor 0.237 R_Free 0.288
length a length b length c angle alpha angle beta angle gamma
144.698 78.055 125.963 90.00 112.50 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand MLT enzyme Hydrolase E.C.3.4.22 BRENDA
A, D, C, B

Primary referenceEngineering a dimeric caspase-9: a re-evaluation of the induced proximity model for caspase activation., Chao Y, Shiozaki EN, Srinivasula SM, Rigotti DJ, Fairman R, Shi Y, PLoS Biol 2005 Jun;3(6):e183. Epub 2005 May 10. PMID:15941357
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (153 Kb) [Save to disk]
  • Biological Unit Coordinates (2ar9.pdb1.gz) 76 Kb
  • Biological Unit Coordinates (2ar9.pdb2.gz) 74 Kb
  • LPC: Ligand-Protein Contacts for 2AR9
  • CSU: Contacts of Structural Units for 2AR9
  • Retrieve 2AR9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2AR9 from S2C, [Save to disk]
  • View 2AR9 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 2AR9
  • 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 2AR9, from MSDmotif at EBI
  • Fold representative 2ar9 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ar9_B] [2ar9_D] [2ar9_A] [2ar9_C] [2ar9]
  • SWISS-PROT database: [P55211]
  • Domain organization of [CASP9_HUMAN] by SWISSPFAM
  • Domain found in 2AR9: [CASc ] by SMART
  • Other resources with information on 2AR9
  • Community annotation for 2AR9 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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