1I4E	Apoptosis Hydrolase	date	Feb 20, 2001
title	Crystal Structure Of The Caspase-8p35 Complex
authors	G.Xu, M.Cirilli, Y.Huang, R.L.Rich, D.G.Myszka, H.Wu
compound		source
Molecule: Early 35 Kda Protein Chain: A Synonym: P35, Apoptosis-Preventing Protein Engineered: Yes		Organism_scientific: Autographa Californica Nucleopolyhedro Organism_common: Acmnpv Organism_taxid: 46015 Gene: P35 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Caspase-8 Chain: B Synonym: Casp-8, Ice-Like Apoptotic Protease 5, Mort1-Assoc Homolog, Mach, Fadd-Homologous Iceced-3-Like Protease, F Ice, Flice, Apoptotic Cysteine Protease, Apoptotic Protease Cap4, Caspase-8 Subunit P18, Caspase-8 Subunit P10; Ec: 3.4.22.61 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Casp8, Mch5 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 2 2 21	R_factor 0.236 R_Free 0.296
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.970 117.340 346.450 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	ACE	enzyme	Hydrolase E.C.3.4.22.61 BRENDA
related structures	by homologous chain: 1F9E, 1I3S
Gene Ontology	Chain Function Process Component A cysteine-type endopeptidase ... B
Primary reference	Covalent inhibition revealed by the crystal structure of the caspase-8/p35 complex., Xu G, Cirilli M, Huang Y, Rich RL, Myszka DG, Wu H, Nature 2001 Mar 22;410(6827):494-7. PMID:11260720

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk] Biological Unit Coordinates (1i4e.pdb1.gz) 90 Kb Biological Unit Coordinates (1i4e.pdb2.gz) 179 Kb LPC: Ligand-Protein Contacts for 1I4E CSU: Contacts of Structural Units for 1I4E Likely Quarternary Molecular Structure file(s) for 1I4E Retrieve 1I4E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I4E from S2C, [Save to disk]

View 1I4E in 3D

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Visual 3D analysis of 1I4E

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1I4E, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i4ea_, region A [Jmol] [rasmolscript] [script source]     - Domain d1i4eb_, 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: [1i4e_B] [1i4e_A] [1i4e] SWISS-PROT database: [Q14790] [P08160] Domain organization of [CASP8_HUMAN] [VP35_NPVAC] by SWISSPFAM Domain found in 1I4E: [CASc ] by SMART

Other resources with information on 1I4E

Community annotation for 1I4E at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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