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- PDB-1kug: Crystal Structure of a Taiwan Habu Venom Metalloproteinase comple... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1kug | |||||||||
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Title | Crystal Structure of a Taiwan Habu Venom Metalloproteinase complexed with its endogenous inhibitor pENW | |||||||||
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![]() | HYDROLASE/HYDROLASE INHIBITOR / alpha/beta protein / retro-binding manner / HYDROLASE-HYDROLASE INHIBITOR COMPLEX | |||||||||
Function / homology | ![]() Hydrolases; Acting on peptide bonds (peptidases); Metalloendopeptidases / metalloendopeptidase activity / toxin activity / proteolysis / extracellular region / metal ion binding / plasma membrane Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Huang, K.F. / Chiou, S.H. / Ko, T.P. / Wang, A.H.J. | |||||||||
![]() | ![]() Title: Determinants of the inhibition of a Taiwan habu venom metalloproteinase by its endogenous inhibitors revealed by X-ray crystallography and synthetic inhibitor analogues. Authors: Huang, K.F. / Chiou, S.H. / Ko, T.P. / Wang, A.H. #1: ![]() Title: Characterization of multiple metalloproteinases with fibrinogenolytic activity from the venom of Taiwan habu (Trimeresurus mucrosquamatus): protein microsequencing coupled with cDNA sequence analysis. Authors: Huang, K.F. / Hung, C.C. / pan, F.M. / Chow, L.P. / Tsugita, A. / Chiou, S.H. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 74.1 KB | Display | ![]() |
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PDB format | ![]() | 53.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 426.8 KB | Display | ![]() |
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Full document | ![]() | 429.3 KB | Display | |
Data in XML | ![]() | 20.6 KB | Display | |
Data in CIF | ![]() | 31.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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2 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 23364.824 Da / Num. of mol.: 1 / Fragment: CATALYTIC PROTEASE DOMAIN / Source method: isolated from a natural source Source: (natural) ![]() References: UniProt: O57413, EC: 3.4.24.44 | ||||
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#2: Protein/peptide | Mass: 429.427 Da / Num. of mol.: 1 / Source method: obtained synthetically Details: The inhibitor pENW was synthesized by solid-phase method. | ||||
#3: Chemical | ChemComp-CD / #4: Water | ChemComp-HOH / | Has protein modification | Y | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.57 Å3/Da / Density % sol: 52.23 % | |||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 4.6 Details: PEG400, sodium acetate, cadmium chloride, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K | |||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ / pH: 6 | |||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 123 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: RIGAKU / Detector: IMAGE PLATE / Date: Dec 21, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.08 Å / Relative weight: 1 |
Reflection | Resolution: 1.37→30 Å / Num. all: 121022 / Num. obs: 49996 / % possible obs: 93.9 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 2.4 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 15.9 |
Reflection shell | Resolution: 1.37→1.42 Å / Rmerge(I) obs: 0.333 / Mean I/σ(I) obs: 2.4 / Num. unique all: 4604 / % possible all: 88.1 |
Reflection | *PLUS Lowest resolution: 30 Å / Num. measured all: 121022 / Rmerge(I) obs: 0.06 |
Reflection shell | *PLUS % possible obs: 88.1 % |
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Processing
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Refinement | Method to determine structure: ![]()
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Refinement step | Cycle: LAST / Resolution: 1.37→30 Å
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Refine LS restraints |
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Refinement | *PLUS Lowest resolution: 30 Å / % reflection Rfree: 5 % | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS |