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- PDB-1mkx: THE CO-CRYSTAL STRUCTURE OF UNLIGANDED BOVINE ALPHA-THROMBIN AND ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1mkx | ||||||
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Title | THE CO-CRYSTAL STRUCTURE OF UNLIGANDED BOVINE ALPHA-THROMBIN AND PRETHROMBIN-2: MOVEMENT OF THE YPPW SEGMENT AND ACTIVE SITE RESIDUES UPON LIGAND BINDING | ||||||
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![]() | COMPLEX (BLOOD COAGULATION/PROENZYME) / COMPLEX (BLOOD COAGULATION-PROENZYME) / ![]() ![]() | ||||||
Function / homology | ![]() ![]() ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Malkowski, M.G. / Edwards, B.F.P. | ||||||
![]() | ![]() Title: The co-crystal structure of unliganded bovine alpha-thrombin and prethrombin-2: movement of the Tyr-Pro-Pro-Trp segment and active site residues upon ligand binding. Authors: Malkowski, M.G. / Martin, P.D. / Guzik, J.C. / Edwards, B.F. #1: ![]() Title: Bovine Thrombin Complexed with an Uncleavable Analog of Residues 7-19 of Fibrinogen a Alpha: Geometry of the Catalytic Triad and Interactions of the P1', P2', and P3' Substrate Residues Authors: Martin, P.D. / Malkowski, M.G. / Dimaio, J. / Konishi, Y. / Ni, F. / Edwards, B.F. #2: ![]() Title: The Isomorphous Structures of Prethrombin2, Hirugen-, and Ppack-Thrombin: Changes Accompanying Activation and Exosite Binding to Thrombin Authors: Vijayalakshmi, J. / Padmanabhan, K.P. / Mann, K.G. / Tulinsky, 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 | ![]() | 137.3 KB | Display | ![]() |
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PDB format | ![]() | 106.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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3 | ![]()
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4 | ![]()
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5 | ![]()
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6 | ![]()
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Unit cell |
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Details | THERE ARE TWO INDEPENDENT COMPLEXES IN THE ASYMMETRIC UNIT. COMPLEX I IS ALPHA THROMBIN, AND COMPLEX II IS PRETHROMBIN-2. ALPHA THROMBIN IN COMPLEX I HAS BEEN ASSIGNED CHAIN INDICATORS *L* AND *H*, AND PRETHROMBIN-2 IN COMPLEX II HAS BEEN ASSIGNED CHAIN INDICATOR *K*. |
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Components
#1: Protein/peptide | Mass: 5735.240 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() ![]() ![]() |
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#2: Protein | Mass: 29772.422 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() ![]() ![]() |
#3: Protein | Mass: 35489.633 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() ![]() ![]() |
#4: Water | ChemComp-HOH / ![]() |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.76 Å3/Da / Density % sol: 55.36 % | ||||||||||||||||||||||||||||||
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Crystal grow![]() | pH: 5.8 Details: 38% AMMONIUM SULFATE, 0.25M AMMONIUM PHOSPHATE, PH 5.8, 1% POLYETHYLENE GLYCOL 4000 (DROP ONLY). | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 6 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 273 K |
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Diffraction source | Source: ![]() |
Detector | Type: SIEMENS / Detector: AREA DETECTOR |
Radiation | Monochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 1.9→7 Å / Num. obs: 47039 / % possible obs: 75 % / Observed criterion σ(I): 0 / Rsym value: 0.101 |
Reflection | *PLUS Num. measured all: 142959 / Rmerge(I) obs: 0.101 |
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Processing
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Refinement | Method to determine structure![]() ![]()
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Refine analyze | Luzzati coordinate error obs: 0.25 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.2→7 Å
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Refine LS restraints |
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Refinement | *PLUS % reflection Rfree: 10 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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