2C1E	Hydrolase Hydrolase Inhibitor	date	Sep 14, 2005
title	Crystal Structures Of Caspase-3 In Complex With Aza-Peptide Acceptor Inhibitors.
authors	M.G.Grutter
compound		source
Molecule: Caspase-3 Subunit P17 Chain: A Fragment: Alpha Subunit, Residues 29-175 Synonym: Casp-3, Apopain, Cysteine Protease Cpp32, Yama Pro 32, Srebp Cleavage Activity 1, Sca-1; Ec: 3.4.22.- Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet11d
Molecule: Caspase-3 Subunit P12 Chain: B Fragment: Beta Subunit, Residues 176-277 Synonym: Casp-3, Apopain, Cysteine Protease Cpp32, Yama Pro 32, Srebp Cleavage Activity 1, Sca-1; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet11d
Molecule: Aza-Peptide Inhibitor (5s, 8r, 11s)-8-(2-Carboxye (Carboxymethyl)-14-(4-Ethoxy-4-Oxobutanoyl)-11-(1-Methyleth 12-Tetraoxo-1-Phenyl-2-Oxa-4,7,10,13,14-Pentaazahexadecan - Acid; Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: I 2 2 2	R_factor 0.163 R_Free 0.188
crystal cell	length a length b length c angle alpha angle beta angle gamma 66.800 83.820 96.360 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.77 Å
ligand	AA1, PHQ	enzyme	Hydrolase E.C.3.4.22 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	Design, synthesis, and evaluation of aza-peptide Michael acceptors as selective and potent inhibitors of caspases-2, -3, -6, -7, -8, -9, and -10., Ekici OD, Li ZZ, Campbell AJ, James KE, Asgian JL, Mikolajczyk J, Salvesen GS, Ganesan R, Jelakovic S, Grutter MG, Powers JC, J Med Chem. 2006 Sep 21;49(19):5728-49. PMID:16970398

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (2c1e.pdb1.gz) 99 Kb LPC: Ligand-Protein Contacts for 2C1E CSU: Contacts of Structural Units for 2C1E Likely Quarternary Molecular Structure file(s) for 2C1E Structure Factors (199 Kb) Retrieve 2C1E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2C1E from S2C, [Save to disk] Re-refined 2c1e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2C1E 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 2C1E

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2C1E, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2c1e] [2c1e_B] [2c1e_I] [2c1e_A] [2c1e_C] SWISS-PROT database: [P42574] Domain organization of [CASP3_HUMAN] by SWISSPFAM Domain found in 2C1E: [CASc ] by SMART

Other resources with information on 2C1E

Community annotation for 2C1E at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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