+Open data
-Basic information
Entry | Database: PDB / ID: 1bfo | ||||||
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Title | CAMPATH-1G IGG2B RAT MONOCLONAL FAB | ||||||
Components | (CAMPATH-1G ANTIBODY) x 2 | ||||||
Keywords | ANTIBODY / FAB / CAMPATH-1G / CD52 | ||||||
Function / homology | Function and homology information immunoglobulin complex, circulating / immunoglobulin receptor binding / complement activation, classical pathway / antigen binding / antibacterial humoral response Similarity search - Function | ||||||
Biological species | Rattus rattus (black rat) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å | ||||||
Authors | Cheetham, G.M.T. / Hale, G. / Waldmann, H. / Bloomer, A.C. | ||||||
Citation | Journal: J.Mol.Biol. / Year: 1998 Title: Crystal structures of a rat anti-CD52 (CAMPATH-1) therapeutic antibody Fab fragment and its humanized counterpart. Authors: Cheetham, G.M. / Hale, G. / Waldmann, H. / Bloomer, A.C. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1bfo.cif.gz | 338.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1bfo.ent.gz | 278.2 KB | Display | PDB format |
PDBx/mmJSON format | 1bfo.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1bfo_validation.pdf.gz | 441.1 KB | Display | wwPDB validaton report |
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Full document | 1bfo_full_validation.pdf.gz | 532.2 KB | Display | |
Data in XML | 1bfo_validation.xml.gz | 46 KB | Display | |
Data in CIF | 1bfo_validation.cif.gz | 69.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bf/1bfo ftp://data.pdbj.org/pub/pdb/validation_reports/bf/1bfo | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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2 |
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3 |
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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: Antibody | Mass: 23524.322 Da / Num. of mol.: 4 / Fragment: FAB FRAGMENT / Source method: isolated from a natural source / Source: (natural) Rattus rattus (black rat) / Secretion: ASCITIC FLUID / References: GenBank: 4096754, UniProt: P01835*PLUS #2: Antibody | Mass: 23263.066 Da / Num. of mol.: 4 / Fragment: FAB FRAGMENT / Source method: isolated from a natural source / Source: (natural) Rattus rattus (black rat) / Secretion: ASCITIC FLUID / References: GenBank: 1220486, UniProt: P20761*PLUS #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: 2.3 Å3/Da / Density % sol: 36 % | ||||||||||||||||||||
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Crystal grow | pH: 8.5 / Details: pH 8.5 | ||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion, sitting drop | ||||||||||||||||||||
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: SRS / Beamline: PX9.5 / Wavelength: 0.9 |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Dec 1, 1994 / Details: MIRRORS |
Radiation | Monochromator: MONOCHROMATOR / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9 Å / Relative weight: 1 |
Reflection | Resolution: 2.6→20 Å / Num. obs: 47690 / % possible obs: 90.5 % / Observed criterion σ(I): 1 / Redundancy: 2 % / Biso Wilson estimate: 53.3 Å2 / Rmerge(I) obs: 0.077 / Rsym value: 0.077 / Net I/σ(I): 5 |
Reflection shell | Resolution: 2.6→2.69 Å / Redundancy: 2 % / Rmerge(I) obs: 0.33 / Mean I/σ(I) obs: 1.5 / Rsym value: 0.33 / % possible all: 78.6 |
Reflection | *PLUS Redundancy: 2.1 % |
Reflection shell | *PLUS % possible obs: 78.6 % / Rmerge(I) obs: 0.327 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PARTIALLY REFINED CAMPATH-1H Resolution: 2.6→20 Å / Rfactor Rfree error: 0.006 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 3 Details: EACH OF FAB DOMAINS VL, CL, VH AND CH1 COORDINATES AND TEMPERATURE FACTORS RESTRAINED TO BE EQUAL IN EACH OF FOUR MOLECULES WITH CNS NCS POSITIONAL RESTRAINTS = 300.00 KCAL/MOL-A**2 AND B ...Details: EACH OF FAB DOMAINS VL, CL, VH AND CH1 COORDINATES AND TEMPERATURE FACTORS RESTRAINED TO BE EQUAL IN EACH OF FOUR MOLECULES WITH CNS NCS POSITIONAL RESTRAINTS = 300.00 KCAL/MOL-A**2 AND B FACTOR TARGET DEVIATION = 0.5A**2. NO NCS RESTRAINTS APPLIED TO RESIDUES IN ELBOW REGION OF EACH FAB.
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Solvent computation | Solvent model: COMBINATION / Bsol: 50 Å2 / ksol: 0.33 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 46.3 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.6→20 Å
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Refine LS restraints |
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Refine LS restraints NCS | NCS model details: RESTRAINTS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 2.6→2.69 Å / Rfactor Rfree error: 0.03 / Total num. of bins used: 10
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Xplor file |
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Software | *PLUS Name: CNS / Version: 0.3 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor obs: 0.296 |