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- PDB-1k9b: Crystal structure of the bifunctional soybean Bowman-Birk inhibit... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1k9b | ||||||
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Title | Crystal structure of the bifunctional soybean Bowman-Birk inhibitor at 0.28 nm resolution. Structural peculiarities in a folded protein conformation | ||||||
![]() | BOWMAN-BIRK TYPE PROTEINASE INHIBITOR | ||||||
![]() | HYDROLASE INHIBITOR / TRIPPLE-STRANDED BETA HAIRPIN / DOUBLE-HEADED | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Voss, R.H. / Ermler, U. / Essen, L.O. / Wenzl, G. / Kim, Y.M. / Flecker, P. | ||||||
![]() | ![]() Title: Crystal structure of the bifunctional soybean Bowman-Birk inhibitor at 0.28-nm resolution. Structural peculiarities in a folded protein conformation. Authors: Voss, R.H. / Ermler, U. / Essen, L.O. / Wenzl, G. / Kim, Y.M. / Flecker, P. #1: ![]() Title: Crystal Structure of Cancer Chemopreventive Bowman-Birk Inhibitor in Ternary Complex with Bovine Trypsin at 2.3 Ao Resolution. Structural Basis of Janus-faced Serine Protease Inhibitor Specificity Authors: Koepke, J. / Ermler, U. / Warkentin, E. / Wenzl, G. / Flecker, P. #2: ![]() Title: Chemical synthesis, molecular cloning and expression of gene coding for a Bowman-Birk-type proteinase inhibitor Authors: Flecker, P. #3: ![]() Title: Mutational analysis of disulfide bonds in the trypsin-reactive subdomain of a Bowman-Birk-type inhibitor of trypsin and chymotrypsin. Cooperative versus autonomous refolding of subdomains Authors: Philipp, S. / Kim, Y.M. / Duerr, I. / Wenzl, G. / Vogt, M. / Flecker, P. #4: ![]() Title: Template-directed protein folding into a metastable state of increased activity Authors: Flecker, P. #5: ![]() Title: A new and general procedure for refolding mutant Bowman-Birk-type proteinase inhibitors on trypsin-Sepharose as a matrix with complementary structure. Authors: Flecker, P. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 25.3 KB | Display | ![]() |
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PDB format | ![]() | 16.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 361.2 KB | Display | ![]() |
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Full document | ![]() | 361.8 KB | Display | |
Data in XML | ![]() | 2.6 KB | Display | |
Data in CIF | ![]() | 3.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1pi2S 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: 6431.538 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: free form / Source: (natural) ![]() ![]() |
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#2: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.13 Å3/Da / Density % sol: 70.23 % |
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Crystal grow | Temperature: 289 K / Method: vapor diffusion, sitting drop / pH: 7.6 Details: PEG 4000, ammonium sulfate, pH 7.6, VAPOR DIFFUSION, SITTING DROP at 289K |
-Data collection
Diffraction | Mean temperature: 277 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: WEISSENBERG / Detector: DIFFRACTOMETER / Date: Apr 5, 1994 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.04 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→60.9 Å / Num. all: 3891 / Num. obs: 26756 / % possible obs: 96.3 % / Observed criterion σ(I): -3 / Redundancy: 6.88 % / Rmerge(I) obs: 0.058 / Rsym value: 0.058 |
Reflection shell | Resolution: 2.8→3 Å / Rmerge(I) obs: 0.3 / % possible all: 70 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1PI2 Resolution: 2.8→8 Å / Cross valid method: THROUGHOUT / σ(F): 2 / Stereochemistry target values: Engh & Huber
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Displacement parameters | Biso mean: 28.7 Å2 | |||||||||||||||||||||||||||
Refine analyze | Luzzati coordinate error obs: 0.035 Å | |||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.8→8 Å
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Refine LS restraints |
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