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- PDB-1qix: Porcine pancreatic elastase complexed with human beta-casomorphin-7 -
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Open data
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Basic information
Entry | Database: PDB / ID: 1qix | ||||||
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Title | Porcine pancreatic elastase complexed with human beta-casomorphin-7 | ||||||
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![]() | SERINE PROTEINASE / HYDROLASE (SERINE PROTEINASE) | ||||||
Function / homology | ![]() pancreatic elastase / serine-type endopeptidase activity / proteolysis / extracellular space / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Wilmouth, R.C. / Clifton, I.J. / Hajdu, J. / Schofield, C.J. | ||||||
![]() | ![]() Title: Structure of a Specific Acyl-Enzyme Complex Formed between Beta-Casomorphin-7 and Porcine Pancreatic Elastase Authors: Wilmouth, R.C. / Clifton, I.J. / Robinson, C.V. / Roach, P.L. / Aplin, R.T. / Westwood, N.J. / Hajdu, J. / Schofield, C.J. #1: ![]() Title: Structure of Native Porcine Pancreatic Elastase at 1.65A Resolution Authors: Meyer, E. / Cole, G. / Radhakrishnan, R. / Epp, O. #2: Journal: J.Biol.Chem. / Year: 1984 Title: Human Beta-Casein Authors: Greenberg, R. / Groves, M.L. / Dower, H.J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 63.8 KB | Display | ![]() |
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PDB format | ![]() | 44.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 380.9 KB | Display | ![]() |
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Full document | ![]() | 382.3 KB | Display | |
Data in XML | ![]() | 6.5 KB | Display | |
Data in CIF | ![]() | 10.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3estS 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/peptide | Mass: 863.995 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
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#2: Protein | Mass: 25928.031 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PORCINE PANCREATIC ELASTASE / Source: (natural) ![]() ![]() |
#3: Chemical | ChemComp-CA / |
#4: Chemical | ChemComp-SO4 / |
#5: Water | ChemComp-HOH / |
Compound details | THERE IS AN ESTER BOND BETWEEN THE CARBOXYL TERMINUS OF THE BETA-CASOMORPHIN-7 PEPTIDE AND THE ...THERE IS AN ESTER BOND BETWEEN THE CARBOXYL TERMINUS OF THE BETA-CASOMORPHI |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.15 Å3/Da / Density % sol: 33 % | |||||||||||||||||||||||||
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Crystal grow | pH: 5 Details: CRYSTALLISED FROM 25MM SODIUM SULPHATE, 25MM SODIUM ACETATE (PH 5.0), 25 MG/ML PPE AND 25 MG/ML BCM7. | |||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 17 ℃ / Method: vapor diffusion, hanging dropDetails: drop solution was mixed with an equal volume of reservoir solution | |||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 290 K |
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Diffraction source | Source: ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Nov 15, 1995 |
Radiation | Monochromator: GRAPHITE(002) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→38.5 Å / Num. obs: 18368 / % possible obs: 99.9 % / Observed criterion σ(I): 0 / Redundancy: 4.1 % / Biso Wilson estimate: 15.29 Å2 / Rmerge(I) obs: 0.077 / Net I/σ(I): 19.48 |
Reflection shell | Resolution: 1.9→2 Å / Redundancy: 4 % / Rmerge(I) obs: 0.285 / Mean I/σ(I) obs: 4.56 / % possible all: 99.1 |
Reflection shell | *PLUS % possible obs: 99.1 % |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 3EST Resolution: 1.9→38.5 Å / SU B: 2.88082 / SU ML: 0.08656 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.14853 / ESU R Free: 0.14056 Details: CNS ALSO USED. THIS STRUCTURE HAS BEEN RE-PROCESSED SINCE THE ORIGINAL PAPER WAS PUBLISHED AND THEREFORE SOME OF THE DISTANCES AND ANGLES BETWEEN THE ATOMS IN THIS PDB ENTRY MAY NOT EXACTLY ...Details: CNS ALSO USED. THIS STRUCTURE HAS BEEN RE-PROCESSED SINCE THE ORIGINAL PAPER WAS PUBLISHED AND THEREFORE SOME OF THE DISTANCES AND ANGLES BETWEEN THE ATOMS IN THIS PDB ENTRY MAY NOT EXACTLY AGREE WITH THOSE QUOTED
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Displacement parameters | Biso mean: 17.52 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→38.5 Å
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Refine LS restraints |
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