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Open data
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Basic information
Entry | Database: PDB / ID: 1b80 | ||||||
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Title | REC. LIGNIN PEROXIDASE H8 OXIDATIVELY PROCESSED | ||||||
![]() | PROTEIN (RECOMBINANT LIGNIN PEROXIDASE H8) | ||||||
![]() | OXIDOREDUCTASE / LIGNIN DEGRADATION / HEME / RADICAL REACTION / ELECTRON TRANSFER / AUTOCATALYTIC SELF-OXIDATION / BETA-HYDROXY TRYPTOPHAN | ||||||
Function / homology | ![]() lignin peroxidase / diarylpropane peroxidase activity / lignin catabolic process / response to reactive oxygen species / hydrogen peroxide catabolic process / cellular response to oxidative stress / heme binding / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Blodig, W. / Smith, A.T. / Doyle, W.A. / Piontek, K. | ||||||
![]() | ![]() Title: Crystal structures of pristine and oxidatively processed lignin peroxidase expressed in Escherichia coli and of the W171F variant that eliminates the redox active tryptophan 171. Implications ...Title: Crystal structures of pristine and oxidatively processed lignin peroxidase expressed in Escherichia coli and of the W171F variant that eliminates the redox active tryptophan 171. Implications for the reaction mechanism. Authors: Blodig, W. / Smith, A.T. / Doyle, W.A. / Piontek, K. #1: ![]() Title: The crystal structure of lignin peroxidase at 1.70 A resolution reveals a hydroxy group on the cbeta of tryptophan 171: a novel radical site formed during the redox cycle. Authors: Choinowski, T. / Blodig, W. / Winterhalter, K.H. / Piontek, K. #2: Journal: Biochemistry / Year: 1998 Title: Two substrate interaction sites in lignin peroxidase revealed by site-directed mutagenesis. Authors: Doyle, W.A. / Blodig, W. / Veitch, N.C. / Piontek, K. / Smith, A.T. #3: Journal: Biochemistry / Year: 1998 Title: Autocatalytic formation of a hydroxy group at C beta of trp171 in lignin peroxidase. Authors: Blodig, W. / Doyle, W.A. / Smith, A.T. / Winterhalter, K. / Choinowski, T. / Piontek, K. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 159.6 KB | Display | ![]() |
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PDB format | ![]() | 123.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1b82C ![]() 1b85C ![]() 1llpS S: Starting model for refinement C: citing same article ( |
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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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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (0.2535, -0.96733, 0.00199), Vector: |
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Components
#1: Protein | Mass: 37496.719 Da / Num. of mol.: 2 / Fragment: MATURE PROTEIN PLUS 7-RESIDUE PROSEQUENCE Source method: isolated from a genetically manipulated source Details: HEME CONTAINING, TRP171 IS HYDROXYLATED AT ITS CBETA ATOM Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | ChemComp-CA / #3: Chemical | #4: Water | ChemComp-HOH / | Compound details | THIS OXIDATIVELY PROCESSED ENZYME WAS OBTAINED BY TREATMENT OF THE PRISTINE RECOMBINANT AND ...THIS OXIDATIVEL | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.6 Å3/Da / Density % sol: 53 % | ||||||||||||||||||||
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Crystal grow | pH: 3.5 / Details: 17 % PEG 6000 PH 3.5 | ||||||||||||||||||||
Crystal grow | *PLUS Temperature: 20 ℃ / pH: 6 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 293 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 1, 1998 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.873 Å / Relative weight: 1 |
Reflection | Resolution: 1.73→20 Å / Num. obs: 79369 / % possible obs: 94.4 % / Redundancy: 4.9 % / Biso Wilson estimate: 17.5 Å2 / Rmerge(I) obs: 0.078 / Net I/σ(I): 12.2 |
Reflection shell | Resolution: 1.73→1.79 Å / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 4.4 / % possible all: 91.1 |
Reflection | *PLUS Lowest resolution: 20 Å / Num. measured all: 391636 |
Reflection shell | *PLUS % possible obs: 91.1 % |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1LLP Resolution: 1.73→20 Å / SU B: 1.98 / Cross valid method: THROUGHOUT / σ(F): 0 Details: ANISOTROPIC SCALING (REFMAC) WAS USED TO ACCOUNT FOR CRYSTAL ANISOTROPICITY
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Displacement parameters | Biso mean: 22.1 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.73→20 Å
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Refine LS restraints |
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Software | *PLUS Name: REFMAC / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 20 Å / σ(F): 0 / % reflection Rfree: 5 % / Rfactor obs: 0.17 / Rfactor Rwork: 0.17 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 22.1 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.289 / Rfactor obs: 0.219 |