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Open data
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Basic information
| Entry | Database: PDB / ID: 1q9l | ||||||
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| Title | S25-2 Fab Unliganded 2 | ||||||
Components |
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Keywords | IMMUNE SYSTEM / antigen-binding fragment / Fab / anti-carbohydrate / anti-LPS / antibody / immunoglobulin | ||||||
| Function / homology | Immunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta Function and homology information | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.28 Å | ||||||
Authors | Nguyen, H.P. / Seto, N.O. / MacKenzie, C.R. / Brade, L. / Kosma, P. / Brade, H. / Evans, S.V. | ||||||
Citation | Journal: Nat.Struct.Biol. / Year: 2003Title: Germline antibody recognition of distinct carbohydrate epitopes. Authors: Nguyen, H.P. / Seto, N.O. / MacKenzie, C.R. / Brade, L. / Kosma, P. / Brade, H. / Evans, S.V. | ||||||
| History |
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| Remark 999 | SEQUENCE The sequence of the protein was not deposited into any sequence database. |
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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 | 1q9l.cif.gz | 191.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1q9l.ent.gz | 151.2 KB | Display | PDB format |
| PDBx/mmJSON format | 1q9l.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1q9l_validation.pdf.gz | 457.4 KB | Display | wwPDB validaton report |
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| Full document | 1q9l_full_validation.pdf.gz | 482.2 KB | Display | |
| Data in XML | 1q9l_validation.xml.gz | 39.3 KB | Display | |
| Data in CIF | 1q9l_validation.cif.gz | 55.4 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/q9/1q9l ftp://data.pdbj.org/pub/pdb/validation_reports/q9/1q9l | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1q9kC ![]() 1q9oSC ![]() 1q9wC ![]() 3sy0C ![]() 3t4yC ![]() 3t65C ![]() 3t77C 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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| 3 | ![]()
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| Unit cell |
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Components
| #1: Antibody | Mass: 24110.967 Da / Num. of mol.: 2 / Fragment: Fab Heavy chain g1 / Source method: isolated from a natural source / Source: (natural) ![]() #2: Antibody | Mass: 24242.898 Da / Num. of mol.: 2 / Fragment: Fab Light chain kappa / Source method: isolated from a natural source / Source: (natural) ![]() #3: Chemical | ChemComp-MG / #4: Chemical | #5: 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: 2.4 Å3/Da / Density % sol: 48.74 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7 Details: zinc acetate, magnesium chloride, PEG 8000, PEG 4000, cacodylate, tris, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS pH: 8 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X8C / Wavelength: 1.15 Å |
| Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Sep 17, 2002 / Details: mirrors |
| Radiation | Monochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.15 Å / Relative weight: 1 |
| Reflection | Resolution: 2.28→19.85 Å / Num. all: 38051 / Num. obs: 36566 / % possible obs: 84.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 34.9 Å2 / Limit h max: 37 / Limit h min: 0 / Limit k max: 41 / Limit k min: 0 / Limit l max: 49 / Limit l min: 0 / Observed criterion F max: 281431.24 / Observed criterion F min: 0.32 |
| Reflection shell | Resolution: 2.28→2.36 Å / % possible all: 77.5 |
| Reflection | *PLUS Lowest resolution: 20 Å / Num. obs: 38076 / % possible obs: 88.4 % / Observed criterion σ(F): 0 / Num. measured all: 230670 / Rmerge(I) obs: 0.053 |
| Reflection shell | *PLUS % possible obs: 77.5 % / Num. unique obs: 3282 / Rmerge(I) obs: 0.38 / Mean I/σ(I) obs: 4.2 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB entry 1q9o, S45-18 Fab unliganded Resolution: 2.28→19.85 Å / Rfactor Rfree error: 0.005 / Occupancy max: 1 / Occupancy min: 1 / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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| Solvent computation | Solvent model: CNS bulk solvent model used / Bsol: 36.2856 Å2 / ksol: 0.298489 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso max: 100.63 Å2 / Biso mean: 40.33 Å2 / Biso min: 17.3 Å2
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| Refine analyze |
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| Refinement step | Cycle: LAST / Resolution: 2.28→19.85 Å
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| Refine LS restraints |
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| LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 10
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| Xplor file |
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| Software | *PLUS Name: CNS / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS Lowest resolution: 20 Å / Rfactor Rfree: 0.287 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS Type: c_bond_d / Dev ideal: 0.009 |
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