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- PDB-1pyo: Crystal Structure of Human Caspase-2 in Complex with Acetyl-Leu-A... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1pyo | ||||||
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Title | Crystal Structure of Human Caspase-2 in Complex with Acetyl-Leu-Asp-Glu-Ser-Asp-cho | ||||||
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![]() | HYDROLASE/HYDROLASE INHIBITOR / ![]() ![]() ![]() ![]() | ||||||
Function / homology | ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Schweizer, A. / Briand, C. / Grutter, M.G. | ||||||
![]() | ![]() Title: Crystal structure of caspase-2, apical initiator of the intrinsic apoptotic pathway. Authors: Schweizer, A. / Briand, C. / Grutter, M.G. | ||||||
History |
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Remark 999 | sequence Chains E and F represent a synthetic sequence that is commonly used for substrates and ...sequence Chains E and F represent a synthetic sequence that is commonly used for substrates and inhibitors for caspase-2 |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 125.8 KB | Display | ![]() |
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PDB format | ![]() | 97.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1cp3S S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | ![]() Mass: 18790.258 Da / Num. of mol.: 2 / Fragment: subunit p18, sequence database residues 151-316 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() Strain (production host): BL21-CodonPlus(DE3)-RIL (Stratagene) References: UniProt: P42575, ![]() #2: Protein | ![]() Mass: 11920.963 Da / Num. of mol.: 2 / Fragment: subunit p12, sequence database residues 331-435 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() Strain (production host): BL21-CodonPlus(DE3)-RIL (Stratagene) References: UniProt: P42575, ![]() #3: Protein/peptide | ![]() ![]() Source: (synth.) ![]() ![]() ![]() References: UniProt: P36114, N-acetyl-L-leucyl-L-alpha-aspartyl-L-alpha-glutamyl-L-seryl-L-aspartic aldehyde #4: Water | ChemComp-HOH / | ![]() Compound details | THERE IS A COVALENT BOND BETWEEN ATOM SG OF CYS155 OF CHAIN A/C AND ATOM C OF ASA406 OF CHAIN E/F, ...THERE IS A COVALENT BOND BETWEEN ATOM SG OF CYS155 OF CHAIN A/C AND ATOM C OF ASA406 OF CHAIN E/F, FORMING THIOHEMIAC | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.4 Å3/Da / Density % sol: 49 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow![]() | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7 Details: PEG 6000, MOPS, DTT, SUCROSE, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ / pH: 7.5 / Method: vapor diffusion, sitting drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 90 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Feb 8, 2003 / Details: dynamically bendable mirror |
Radiation | Monochromator: SI(111) crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 1.65→25 Å / Num. all: 74129 / Num. obs: 74129 / % possible obs: 100 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 7.4 % / Biso Wilson estimate: 19.934 Å2 / Rsym value: 0.092 / Net I/σ(I): 21.14 |
Reflection shell | Resolution: 1.65→1.71 Å / Mean I/σ(I) obs: 2.03 / Num. unique all: 7191 / Rsym value: 0.476 / % possible all: 100 |
Reflection | *PLUS Rmerge(I) obs: 0.092 |
Reflection shell | *PLUS % possible obs: 100 % / Rmerge(I) obs: 0.476 |
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Processing
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Refinement | Method to determine structure![]() ![]() Starting model: 1CP3 Resolution: 1.65→25 Å / Isotropic thermal model: anisotropic / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 23.121 Å2
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Refine analyze | Luzzati coordinate error obs: 0.2 Å / Luzzati sigma a obs: 0.14 Å | |||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.65→25 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.65→1.67 Å
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Refinement | *PLUS Lowest resolution: 30 Å | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Lowest resolution: 1.71 Å |