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Open data
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Basic information
| Entry | Database: PDB / ID: 1am7 | ||||||
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| Title | Lysozyme from bacteriophage lambda | ||||||
Components | LYSOZYME | ||||||
Keywords | GLYCOSIDASE / TRANSGLYCOSYLASE / EVOLUTION / LYSOZYME | ||||||
| Function / homology | Function and homology information: / peptidoglycan lytic transglycosylase activity / viral release from host cell by cytolysis / peptidoglycan catabolic process / lysozyme activity / host cell cytoplasm / defense response to bacterium Similarity search - Function | ||||||
| Biological species | Enterobacteria phage lambda (virus) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MIR / Resolution: 2.3 Å | ||||||
Authors | Evrard, C. / Fastrez, J. / Declercq, J.P. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 1998Title: Crystal structure of the lysozyme from bacteriophage lambda and its relationship with V and C-type lysozymes. Authors: Evrard, C. / Fastrez, J. / Declercq, J.P. #1: Journal: Acta Crystallogr.,Sect.D / Year: 1997Title: Crystallization and Preliminary X-Ray Analysis of Bacteriophage Lambda Lysozyme in which All Tryptophans Have Been Replaced by Aza-Tryptophans Authors: Evrard, C. / Declercq, J.-P. / Fastrez, J. #2: Journal: Lysozymes: Model Enzymes in Biochemistry and BiologyYear: 1996 Title: Phage Lysozymes Authors: Fastrez, J. #3: Journal: Protein Eng. / Year: 1995Title: Biosynthetic Incorporation of 7-Azatryptophan Into the Phage Lambda Lysozyme: Estimation of Tryptophan Accessibility, Effect on Enzymatic Activity and Protein Stability Authors: Soumillion, P. / Jespers, L. / Vervoort, J. / Fastrez, J. #4: Journal: Biochem.J. / Year: 1992Title: A Large Decrease in Heat-Shock-Induced Proteolysis After Tryptophan Starvation Leads to Increased Expression of Phage Lambda Lysozyme Cloned in Escherichia Coli Authors: Soumillion, P. / Fastrez, J. #5: Journal: J.Mol.Biol. / Year: 1992Title: Is the Bacteriophage Lambda Lysozyme an Evolutionary Link or a Hybrid between the C and V-Type Lysozymes? Homology Analysis and Detection of the Catalytic Amino Acid Residues Authors: Jespers, L. / Sonveaux, E. / Fastrez, J. #6: Journal: Protein Eng. / Year: 1991Title: Overexpression of the Phage Lambda Lysozyme Cloned in Escherichia Coli: Use of a Degenerative Mixture of Synthetic Ribosome Binding Sites and Increase of the Protein Stability in Vivo Authors: Jespers, L. / Sonveaux, E. / Fastrez, J. / Phanapoulos, A. / Davison, J. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1am7.cif.gz | 104.3 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1am7.ent.gz | 82.9 KB | Display | PDB format |
| PDBx/mmJSON format | 1am7.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1am7_validation.pdf.gz | 447.2 KB | Display | wwPDB validaton report |
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| Full document | 1am7_full_validation.pdf.gz | 452.7 KB | Display | |
| Data in XML | 1am7_validation.xml.gz | 19.4 KB | Display | |
| Data in CIF | 1am7_validation.cif.gz | 27 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/am/1am7 ftp://data.pdbj.org/pub/pdb/validation_reports/am/1am7 | HTTPS FTP |
-Related structure data
| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| 4 | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS oper:
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Components
| #1: Protein | Mass: 17856.146 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Enterobacteria phage lambda (virus) / Genus: Lambda-like viruses / Cellular location: CYTOPLASM / Gene: R / Plasmid: PLJ05 / Cellular location (production host): CYTOPLASM / Production host: ![]() #2: Chemical | #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.2 Å3/Da / Density % sol: 44 % | ||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | pH: 5.3 Details: PROTEIN WAS CRYSTALLIZED FROM 0.1M SODIUM CITRATE PH 5.3, 15% V/V 2-PROPANOL AND 20% W/ V PEG 4000. | ||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Method: vapor diffusion, sitting dropDetails: protein solution is mixed 50:50 with a well solution | ||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 293 K |
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| Diffraction source | Source: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X31 / Wavelength: 0.92 |
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: May 3, 1995 / Details: TOROIDAL MIRROR |
| Radiation | Monochromator: SI(111) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.92 Å / Relative weight: 1 |
| Reflection | Resolution: 2.3→20 Å / Num. obs: 21455 / % possible obs: 98.8 % / Redundancy: 4.9 % / Biso Wilson estimate: 28.1 Å2 / Rsym value: 0.09 / Net I/σ(I): 15 |
| Reflection shell | Resolution: 2.3→2.34 Å / Redundancy: 2.9 % / Mean I/σ(I) obs: 3.4 / Rsym value: 0.297 / % possible all: 93.5 |
| Reflection | *PLUS Num. measured all: 104257 / Rmerge(I) obs: 0.09 |
| Reflection shell | *PLUS % possible obs: 93.5 % / Rmerge(I) obs: 0.297 / Mean I/σ(I) obs: 3.3 |
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Processing
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| Refinement | Method to determine structure: MIR / Resolution: 2.3→20 Å / Rfactor Rfree error: 0.0066 / Data cutoff high absF: 100000 / Data cutoff low absF: 0.1 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2
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| Displacement parameters | Biso mean: 25.9 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine analyze | Luzzati coordinate error obs: 0.22 Å / Luzzati d res low obs: 5 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.3→20 Å
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| Refine LS restraints |
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| Refine LS restraints NCS | NCS model details: RESTRAINTS / Rms dev Biso : 2.8 Å2 / Rms dev position: 0.058 Å / Weight Biso : 2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LS refinement shell | Resolution: 2.3→2.38 Å / Rfactor Rfree error: 0.026 / Total num. of bins used: 10
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| Xplor file |
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| Software | *PLUS Name: X-PLOR / Version: 3.1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS Lowest resolution: 9999 Å / σ(I): 1 / Rfactor obs: 0.1635 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Rfactor obs: 0.23 |
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Enterobacteria phage lambda (virus)
X-RAY DIFFRACTION
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