2HBR	Hydrolase Hydrolase Inhibitor	date	Jun 14, 2006
title	Crystal Structure Of Human Caspase-1 (Arg286->Ala) In Comple [2-(2-Benzyloxycarbonylamino-3-Methyl-Butyrylamino)-Propion 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		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: N-[(Benzyloxy)Carbonyl]-L-Valyl-N-[(2s)-1-Carboxy 3-Oxobutan-2-Yl]-L-Alaninamide; Chain: C Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 43 21 2	R_factor 0.233 R_Free 0.270
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.704 62.704 159.999 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	CF0, PHQ	enzyme	Hydrolase E.C.3.4.22.36 BRENDA
note	2HBR supersedes 2FQS
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] (51 Kb) [Save to disk] Biological Unit Coordinates (2hbr.pdb1.gz) 88 Kb LPC: Ligand-Protein Contacts for 2HBR CSU: Contacts of Structural Units for 2HBR Likely Quarternary Molecular Structure file(s) for 2HBR Structure Factors (122 Kb) Retrieve 2HBR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HBR from S2C, [Save to disk] Re-refined 2hbr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HBR 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 2HBR

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 2HBR, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hbr] [2hbr_A] [2hbr_C] [2hbr_B] SWISS-PROT database: [P29466] Domain organization of [CASP1_HUMAN] by SWISSPFAM Domain found in 2HBR: [CASc ] by SMART

Other resources with information on 2HBR

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

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