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- PDB-1o6i: Chitinase B from Serratia marcescens complexed with the catalytic... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1o6i | ||||||
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Title | Chitinase B from Serratia marcescens complexed with the catalytic intermediate mimic cyclic dipeptide CI4. | ||||||
![]() | Chitinase | ||||||
![]() | HYDROLASE/HYDROLASE INHIBITOR / HYDROLASE-HYDROLASE INHIBITOR COMPLEX / CHITINASE / CATALYTIC INTERMEDIATE MIMIC / CYCLIC DIPEPTIDE / HYDROLASE- HYDROLASE INHIBITOR COMPLEX | ||||||
Function / homology | ![]() chitinase / chitinase activity / chitin catabolic process / chitin binding / polysaccharide catabolic process / carbohydrate binding / extracellular region Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Houston, D.R. / Eggleston, I. / Synstad, B. / Eijsink, V.G.H. / van Aalten, D.M.F. | ||||||
![]() | ![]() Title: The cyclic dipeptide CI-4 [cyclo-(l-Arg-d-Pro)] inhibits family 18 chitinases by structural mimicry of a reaction intermediate. Authors: Houston, D.R. / Eggleston, I. / Synstad, B. / Eijsink, V.G. / van Aalten, D.M. | ||||||
History |
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Remark 700 | SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 10-STRANDED BARREL THIS IS REPRESENTED BY A 11-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "BA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 9-STRANDED BARREL THIS IS REPRESENTED BY A 10-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 | ![]() | 246.5 KB | Display | ![]() |
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PDB format | ![]() | 196.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.1 MB | Display | ![]() |
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Full document | ![]() | 1.1 MB | Display | |
Data in XML | ![]() | 54.5 KB | Display | |
Data in CIF | ![]() | 83.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1e15S 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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Unit cell |
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Components
#1: Protein | Mass: 55518.012 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Chemical | ChemComp-GOL / #4: Chemical | ChemComp-SO4 / #5: Water | ChemComp-HOH / | Compound details | CATALYSES THE HYDROLYSIS | Nonpolymer details | CYCLIC PEPTIDE IN CHAINS A AND B COMPOSED OF D-PROLINE AND L-ARGININE | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.46 Å3/Da / Density % sol: 47.99 % | ||||||||||||||||||||||||||||||
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Crystal grow | pH: 7 Details: 1.4M AMMONIUM SULPHATE 0.1M HEPES PH 7.0, 25% GLYCEROL | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS pH: 5.6 / Method: vapor diffusion, hanging dropDetails: van Aalten, D.M.F., (2000) Proc. Natl. Acad. Sci. U.S.A., 97, 5842. | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 113 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Detector: CCD / Date: Nov 28, 2001 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→20 Å / Num. obs: 114743 / % possible obs: 97.1 % / Observed criterion σ(I): 2 / Redundancy: 3.3 % / Biso Wilson estimate: 21.3 Å2 / Rmerge(I) obs: 0.047 / Net I/σ(I): 10.7 |
Reflection | *PLUS Highest resolution: 1.7 Å / Lowest resolution: 30 Å / Num. measured all: 374203 |
Reflection shell | *PLUS Lowest resolution: 1.76 Å / % possible obs: 89.7 % / Num. unique obs: 10457 / Num. measured obs: 27598 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1E15 Resolution: 1.7→19.9 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 2486753.93 / Cross valid method: THROUGHOUT / σ(F): 0
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Displacement parameters | Biso mean: 27.76 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.7→19.9 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.7→1.77 Å / Rfactor Rfree error: 0.024 / Total num. of bins used: 10
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Xplor file |
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Refinement | *PLUS Highest resolution: 1.7 Å / Lowest resolution: 30 Å / Rfactor Rfree: 0.194 / Rfactor Rwork: 0.168 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |