2HBZ	Hydrolase Hydrolase Inhibitor	date	Jun 14, 2006
title	Crystal Structure Of Human Caspase-1 (Arg286->Ala, Glu390->A Complex With 3-[2-(2-Benzyloxycarbonylamino-3-Methyl-Butyry Propionylamino]-4-Oxo-Pentanoic Acid (Z-Vad-Fmk)
authors	J.M.Scheer, J.A.Wells, M.J.Romanowski
compound		source
Molecule: Caspase-1 Chain: A Fragment: P20 Subunit, Residues 120-297 Ec: 3.4.22.36 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Casp1, Il1bc, Il1bce Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon+ Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset
Molecule: Caspase-1 Chain: B Fragment: P10 Subunit, Residues 317-404 Ec: 3.4.22.36 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Casp1, Il1bc, Il1bce Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon+ Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset
Molecule: Phq-Vad-Fluoromethylketone Inhibitor Chain: C Synonym: Z-Vad-Fmk Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 43 21 2	R_factor 0.223 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.245 63.245 142.241 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CF0, PHQ	enzyme	Hydrolase E.C.3.4.22.36 BRENDA
note	2HBZ supersedes 2FQV
Gene Ontology	Chain Function Process Component A B
Primary reference	A common allosteric site and mechanism in caspases., Scheer JM, Romanowski MJ, Wells JA, Proc Natl Acad Sci U S A. 2006 May 16;103(20):7595-600. Epub 2006 May 8. PMID:16682620

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (2hbz.pdb1.gz) 87 Kb LPC: Ligand-Protein Contacts for 2HBZ CSU: Contacts of Structural Units for 2HBZ Likely Quarternary Molecular Structure file(s) for 2HBZ Structure Factors (159 Kb) Retrieve 2HBZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HBZ from S2C, [Save to disk] Re-refined 2hbz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HBZ 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 2HBZ

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 2HBZ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hbz_A] [2hbz_C] [2hbz] [2hbz_B] SWISS-PROT database: [P29466] Domain organization of [CASP1_HUMAN] by SWISSPFAM Domain found in 2HBZ: [CASc ] by SMART

Other resources with information on 2HBZ

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

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