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- PDB-2h51: Crystal structure of human caspase-1 (Glu390->Asp and Arg286->Lys... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2h51 | ||||||
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Title | Crystal structure of human caspase-1 (Glu390->Asp and Arg286->Lys) in complex with 3-[2-(2-benzyloxycarbonylamino-3-methyl-butyrylamino)-propionylamino]-4-oxo-pentanoic acid (z-VAD-FMK) | ||||||
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![]() | HYDROLASE/HYDROLASE INHIBITOR / allosteric site / dimer interface / HYDROLASE / HYDROLASE-HYDROLASE INHIBITOR COMPLEX | ||||||
Function / homology | ![]() caspase-1 / protease inhibitor complex / AIM2 inflammasome complex assembly / The AIM2 inflammasome / AIM2 inflammasome complex / IPAF inflammasome complex / The IPAF inflammasome / icosanoid biosynthetic process / NLRP1 inflammasome complex / cytokine precursor processing ...caspase-1 / protease inhibitor complex / AIM2 inflammasome complex assembly / The AIM2 inflammasome / AIM2 inflammasome complex / IPAF inflammasome complex / The IPAF inflammasome / icosanoid biosynthetic process / NLRP1 inflammasome complex / cytokine precursor processing / canonical inflammasome complex / positive regulation of interleukin-18 production / NLRP3 inflammasome complex / caspase binding / CARD domain binding / osmosensory signaling pathway / positive regulation of tumor necrosis factor-mediated signaling pathway / Interleukin-1 processing / Interleukin-37 signaling / pattern recognition receptor signaling pathway / : / signaling receptor ligand precursor processing / TP53 Regulates Transcription of Caspase Activators and Caspases / pyroptotic inflammatory response / positive regulation of cysteine-type endopeptidase activity involved in apoptotic process / cytokine binding / cysteine-type endopeptidase activator activity involved in apoptotic process / protein autoprocessing / The NLRP3 inflammasome / protein maturation / Pyroptosis / Purinergic signaling in leishmaniasis infection / positive regulation of interleukin-1 beta production / NOD1/2 Signaling Pathway / cellular response to type II interferon / kinase binding / positive regulation of inflammatory response / cellular response to mechanical stimulus / SARS-CoV-1 activates/modulates innate immune responses / regulation of inflammatory response / cellular response to lipopolysaccharide / regulation of apoptotic process / positive regulation of canonical NF-kappaB signal transduction / defense response to virus / endopeptidase activity / microtubule / defense response to bacterium / cysteine-type endopeptidase activity / nucleolus / apoptotic process / signal transduction / protein-containing complex / proteolysis / identical protein binding / plasma membrane / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Scheer, J.M. / Wells, J.A. / Romanowski, M.J. | ||||||
![]() | ![]() Title: An allosteric circuit in caspase-1. Authors: Datta, D. / Scheer, J.M. / Romanowski, M.J. / Wells, J.A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 71.8 KB | Display | ![]() |
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PDB format | ![]() | 52.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 2h4wC ![]() 2h4yC ![]() 2h54C ![]() 1sc3S S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Details | Heterotetramer (dimer of two heterodimers). Each heterodimer is represented by chains A (the p20 subunit) and B (the p10 subunit) of human caspase-1. |
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Components
#1: Protein | Mass: 19841.824 Da / Num. of mol.: 1 / Fragment: p20 subunit, residues 120-297 / Mutation: R286K Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Protein | Mass: 10244.729 Da / Num. of mol.: 1 / Fragment: p10 subunit, residues 317-404 / Mutation: E390D Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#3: Protein/peptide | |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.35 Å3/Da / Density % sol: 47.55 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 0.1 M PIPES, 200 mM (NH4)2SO4, 25% PEG 2000 MME, 10 mM DTT, 3 mM NaN3, 2 mM MgCl2, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 120 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Mar 18, 2005 / Details: Rh coated bent cylindrical mirror |
Radiation | Monochromator: Double crystal, parallel / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.16 Å / Relative weight: 1 |
Reflection | Resolution: 2.1→20 Å / Num. obs: 16666 / % possible obs: 95.6 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 5 |
Reflection shell | Resolution: 2.1→2.17 Å / % possible all: 82.7 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1SC3 Resolution: 2.1→20 Å / Cor.coef. Fo:Fc: 0.946 / Cor.coef. Fo:Fc free: 0.907 / SU B: 4.468 / SU ML: 0.12 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.234 / ESU R Free: 0.198 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 16.587 Å2
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Refinement step | Cycle: LAST / Resolution: 2.1→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.1→2.173 Å / Total num. of bins used: 15 /
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Refinement TLS params. | Method: refined / Origin x: 60.2668 Å / Origin y: 48.2601 Å / Origin z: 32.0748 Å
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Refinement TLS group |
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