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- PDB-1eaw: Crystal structure of the MTSP1 (matriptase)-BPTI (aprotinin) complex -
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Open data
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Basic information
Entry | Database: PDB / ID: 1eaw | ||||||
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Title | Crystal structure of the MTSP1 (matriptase)-BPTI (aprotinin) complex | ||||||
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![]() | HYDROLASE/INHIBITOR / COMPLEX (SERINE PROTEASE INHIBITOR) / SERINE PROTEINASE / MATRIX DEGRADATION / INHIBITOR / GLYCOPROTE HYDROLASE / HYDROLASE-INHIBITOR complex | ||||||
Function / homology | ![]() matriptase / epithelial cell morphogenesis involved in placental branching / trypsinogen activation / negative regulation of serine-type endopeptidase activity / Formation of the cornified envelope / sulfate binding / potassium channel inhibitor activity / negative regulation of platelet aggregation / zymogen binding / molecular function inhibitor activity ...matriptase / epithelial cell morphogenesis involved in placental branching / trypsinogen activation / negative regulation of serine-type endopeptidase activity / Formation of the cornified envelope / sulfate binding / potassium channel inhibitor activity / negative regulation of platelet aggregation / zymogen binding / molecular function inhibitor activity / negative regulation of thrombin-activated receptor signaling pathway / keratinocyte differentiation / serine protease inhibitor complex / serine-type peptidase activity / neural tube closure / serine-type endopeptidase inhibitor activity / protein catabolic process / protease binding / basolateral plasma membrane / external side of plasma membrane / serine-type endopeptidase activity / calcium ion binding / proteolysis / extracellular space / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Friedrich, R. / Bode, W. | ||||||
![]() | ![]() Title: Catalytic Domain Structures of Mt-Sp1/Matriptase, a Matrix-Degrading Transmembrane Serine Proteinase. Authors: Friedrich, R. / Fuentes-Prior, P. / Ong, E. / Coombs, G. / Hunter, M. / Oehler, R. / Pierson, D. / Gonzalez, R. / Huber, R. / Bode, W. / Madison, E.L. | ||||||
History |
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Remark 700 | SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" AND "CA" IN EACH CHAIN ON SHEET ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" AND "CA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 7-STRANDED BARREL THIS IS REPRESENTED BY A 8-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "AB" AND "CB" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. |
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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 | ![]() | 97.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1eaxC ![]() 4htcS C: citing same article ( 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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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 26463.756 Da / Num. of mol.: 2 / Fragment: CATALYTIC RESIDUES 615-855 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: Q9Y5Y6, Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases #2: Protein | Mass: 6527.568 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.5 Å3/Da / Density % sol: 50 % / Description: 4HTC | ||||||||||||||||||||||||||||
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Crystal grow | pH: 8 / Details: pH 8.00 | ||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 18 ℃ / Method: vapor diffusion, hanging drop / pH: 6.5 | ||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Aug 15, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.93→12 Å / Num. obs: 12200 / % possible obs: 94.4 % / Observed criterion σ(I): 2 / Redundancy: 2 % / Biso Wilson estimate: -0.1 Å2 / Rmerge(I) obs: 0.12 / Net I/σ(I): 5.4 |
Reflection shell | Resolution: 2.93→3.11 Å / % possible all: 93.1 |
Reflection | *PLUS Lowest resolution: 12 Å / Rmerge(I) obs: 0.12 |
Reflection shell | *PLUS % possible obs: 93.1 % / Rmerge(I) obs: 0.343 |
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Processing
Software |
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 4HTC Resolution: 2.93→11.99 Å / Rfactor Rfree error: 0.009 / Data cutoff high absF: 722936.73 / Cross valid method: THROUGHOUT / σ(F): 2
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Solvent computation | Solvent model: MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 14.4 Å2
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Refinement step | Cycle: LAST / Resolution: 2.93→11.99 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.93→3.11 Å / Rfactor Rfree error: 0.033 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Version: 1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 12 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rwork: 0.3 |