1RWX	Hydrolase	date	Dec 17, 2003
title	Crystal Structure Of Human Caspase-1 In Complex With 4-Oxo-3 (Quinoxalin-2-Yloxy)-Benzoylamino]-2-Thiophen-2-Yl-Hexanoyl Butyric Acid
authors	M.J.Romanowski, B.T.Fahr, T.O'Brien
compound		source
Molecule: Interleukin-1 Beta Convertase Chain: A Fragment: Interleukin-1 Beta Convertase P20 Synonym: Il-1bc, Il-1 Beta Converting Enzyme, Ice, Interleu Converting Enzyme, P45, Caspase-1, Casp-1; 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 Codon+ Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset
Molecule: Interleukin-1 Beta Convertase Chain: B Fragment: Interleukin-1 Beta Convertase P10 Synonym: Il-1bc, Il-1 Beta Converting Enzyme, Ice, Interleu Converting Enzyme, P45, Caspase-1, Casp-1; 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 Codon+ Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset
symmetry	Space Group: P 43 21 2	R_factor 0.214 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.371 63.371 162.399 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	YBH	enzyme	Hydrolase E.C.3.4.22.36 BRENDA
related structures	by homologous chain: 1RWN, 1SC3
Gene Ontology	Chain Function Process Component A B
Primary reference	Tethering identifies fragment that yields potent inhibitors of human caspase-1., Fahr BT, O'Brien T, Pham P, Waal ND, Baskaran S, Raimundo BC, Lam JW, Sopko MM, Purkey HE, Romanowski MJ, Bioorg Med Chem Lett. 2006 Feb;16(3):559-62. Epub 2005 Nov 4. PMID:16274992

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (1rwx.pdb1.gz) 96 Kb LPC: Ligand-Protein Contacts for 1RWX CSU: Contacts of Structural Units for 1RWX Likely Quarternary Molecular Structure file(s) for 1RWX Structure Factors (213 Kb) Retrieve 1RWX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RWX from S2C, [Save to disk] Re-refined 1rwx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RWX 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 1RWX

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 1RWX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rwx.1, region A:,B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1rwx] [1rwx_B] [1rwx_A] SWISS-PROT database: [P29466] Domain organization of [CASP1_HUMAN] by SWISSPFAM Domain found in 1RWX: [CASc ] by SMART

Other resources with information on 1RWX

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

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