1I51	Hydrolase Hydrolase Inhibitor	date	Feb 23, 2001
title	Crystal Structure Of Caspase-7 Complexed With Xiap
authors	J.Chai, Y.Shi
compound		source
Molecule: Caspase-7 Subunit P20 Chain: A, C Ec: 3.4.22.- Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Casp7 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21b
Molecule: Caspase-7 Subunit P11 Chain: B, D Ec: 3.4.22.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Casp7 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21b
Molecule: X-Linked Inhibitor Of Apotosis Protein Chain: E, F Fragment: Xiap-Bir2 Synonym: Xiap Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Xiap Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-2t
symmetry	Space Group: P 32 2 1	R_factor 0.233 R_Free 0.272
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.600 89.600 185.500 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.45 Å
ligand		enzyme	Hydrolase E.C.3.4.22 BRENDA
related structures	by homologous chain: 1I4O, 1NMQ, 1RHK
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Structural basis of caspase-7 inhibition by XIAP., Chai J, Shiozaki E, Srinivasula SM, Wu Q, Datta P, Alnemri ES, Shi Y, Dataa P, Cell 2001 Mar 9;104(5):769-80. PMID:11257230

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1i51.pdb1.gz) 81 Kb CSU: Contacts of Structural Units for 1I51 Likely Quarternary Molecular Structure file(s) for 1I51 Retrieve 1I51 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I51 from S2C, [Save to disk]

View 1I51 in 3D

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Visual 3D analysis of 1I51

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 1I51, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i51.1, region A:,B [Jmol] [rasmolscript] [script source]     - Domain d1i51.2, region C:,D [Jmol] [rasmolscript] [script source] Fold representative 1i51 from FSSP and Dali (Families of Structurally Similar Proteins) 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: [1i51_A] [1i51_B] [1i51] [1i51_F] [1i51_D] [1i51_C] [1i51_E] SWISS-PROT database: [P55210] [P98170] Domain organization of [CASP7_HUMAN] [XIAP_HUMAN] by SWISSPFAM Domains found in 1I51: [BIR] [CASc ] by SMART

Other resources with information on 1I51

Community annotation for 1I51 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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