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
crystal cell	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 Diffraction	resolution	2.70 Å
ligand		enzyme	Hydrolase E.C.3.4.22 BRENDA
note	1K88 (Molecule of the Month:pdb56)
related structures	by homologous chain: 1I3O, 1K86, 1SHJ
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal 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)

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