1K88 Apoptosis date Oct 23, 2001
title Crystal Structure Of Procaspase-7
authors J.Chai, Q.Wu, E.Shiozaki, S.M.Srinivasa, E.S.Alnemri, Y.Shi
compound source
Molecule: Procaspase-7
Chain: A, B
Fragment: Procaspase-7
Ec: 3.4.22.-
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 32 2 1
R_factor 0.227 R_Free 0.253
length a length b length c angle alpha angle beta angle gamma
91.200 91.200 185.200 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.70 Å
enzyme Hydrolase E.C.3.4.22 BRENDA
note 1K88 (Molecule of the Month:pdb56)
related structures by homologous chain: 1I3O, 1K86, 1SHJ
A, B

Primary referenceCrystal structure of a procaspase-7 zymogen: mechanisms of activation and substrate binding., Chai J, Wu Q, Shiozaki E, Srinivasula SM, Alnemri ES, Shi Y, Cell 2001 Nov 2;107(3):399-407. PMID:11701129
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk]
  • Biological Unit Coordinates (1k88.pdb1.gz) 75 Kb
  • CSU: Contacts of Structural Units for 1K88
  • Likely Quarternary Molecular Structure file(s) for 1K88
  • Retrieve 1K88 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1K88 from S2C, [Save to disk]
  • View 1K88 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 1K88
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1K88, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1k88a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1k88b_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1k88] [1k88_B] [1k88_A]
  • SWISS-PROT database: [P55210]
  • Domain organization of [CASP7_HUMAN] by SWISSPFAM
  • Domain found in 1K88: [CASc ] by SMART
  • Other resources with information on 1K88
  • Community annotation for 1K88 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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