+Open data
-Basic information
Entry | Database: PDB / ID: 1200000000 | ||||||
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Title | 2E8 FAB FRAGMENT | ||||||
Components |
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Keywords | IMMUNOGLOBULIN | ||||||
Function / homology | Immunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta / : / : Function and homology information | ||||||
Biological species | Mus musculus (house mouse) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å | ||||||
Authors | Rupp, B. / Trakhanov, S. | ||||||
Citation | Journal: Acta Crystallogr.,Sect.D / Year: 1999 Title: Structure of a monoclonal 2E8 Fab antibody fragment specific for the low-density lipoprotein-receptor binding region of apolipoprotein E refined at 1.9 A. Authors: Trakhanov, S. / Parkin, S. / Raffai, R. / Milne, R. / Newhouse, Y.M. / Weisgraber, K.H. / Rupp, B. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 12e8.cif.gz | 193.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb12e8.ent.gz | 153.1 KB | Display | PDB format |
PDBx/mmJSON format | 12e8.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 12e8_validation.pdf.gz | 445.7 KB | Display | wwPDB validaton report |
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Full document | 12e8_full_validation.pdf.gz | 460.8 KB | Display | |
Data in XML | 12e8_validation.xml.gz | 40.6 KB | Display | |
Data in CIF | 12e8_validation.cif.gz | 60.2 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/2e/12e8 ftp://data.pdbj.org/pub/pdb/validation_reports/2e/12e8 | HTTPS FTP |
-Related structure data
-Links
-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:
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-Components
#1: Antibody | Mass: 23540.990 Da / Num. of mol.: 2 / Fragment: FAB FRAGMENT / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / Cell: LYMPHOCYTE-PLASMA CELL / Cell line: 2E8 HYBRIDOMA / Organ: SPLEEN / Strain: BALB/C / References: GenBank: 10121892 #2: Antibody | Mass: 23878.586 Da / Num. of mol.: 2 / Fragment: FAB FRAGMENT / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / Cell: LYMPHOCYTE-PLASMA CELL / Cell line: 2E8 HYBRIDOMA / Organ: SPLEEN / Strain: BALB/C / References: PIR: S49220 #3: Water | ChemComp-HOH / | Has protein modification | Y | Sequence details | AMINO ACIDS ARE NUMBERED ACCORDING TO THE KABAT NUMBERING SYSTEM FOR ANTIBODIES | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 2 |
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-Sample preparation
Crystal | Density Matthews: 2.37 Å3/Da / Density % sol: 48 % | ||||||||||||||||||||||||||||||
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Crystal grow | pH: 5.6 Details: 23% PEG 4000 (W/V), 0.10 M SODIUM CITRATE, AND 0.2 M AMMONIUM ACETATE (PH 5.6). CRYSTALS (0.2 X 0.2 X 0.5 MM) WERE OBTAINED IN 4-6 WEEKS. | ||||||||||||||||||||||||||||||
Crystal | *PLUS | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 125 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418 |
Detector | Type: ADSC / Detector: AREA DETECTOR / Date: May 1, 1996 / Details: COLLIMATOR |
Radiation | Monochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Highest resolution: 1.85 Å / Num. obs: 63078 / % possible obs: 84 % / Observed criterion σ(I): 0 / Redundancy: 3.8 % / Biso Wilson estimate: 11.5 Å2 / Rmerge(I) obs: 0.085 / Rsym value: 0.071 / Net I/σ(I): 6 |
Reflection shell | Resolution: 1.85→2 Å / Redundancy: 2.1 % / Rmerge(I) obs: 0.39 / Mean I/σ(I) obs: 1.6 / Rsym value: 0.27 / % possible all: 82 |
Reflection | *PLUS Num. measured all: 237795 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRIES 6FAB AND 1FLR Resolution: 1.9→20 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: A POSTERIORI / σ(F): 0 Details: BULK SOLVENT MODEL USED. THE CONNECTING LOOP BETWEEN BETA STRANDS B AND C IN THE CH1 DOMAIN IS POORLY DEFINED IN THE STRUCTURE. ATTEMPTS TO IMPROVE THE LOOP H123-H133 USING VARIOUS NCS ...Details: BULK SOLVENT MODEL USED. THE CONNECTING LOOP BETWEEN BETA STRANDS B AND C IN THE CH1 DOMAIN IS POORLY DEFINED IN THE STRUCTURE. ATTEMPTS TO IMPROVE THE LOOP H123-H133 USING VARIOUS NCS AVERAGING SCHEMES AS WELL AS AUTOMATED REBUILDING AND REFINEMENT WITH ARP DID NOT IMPROVE THIS REGION. HOWEVER, USING ARP THE TRACING OF CH BETA STRANDS B-E WAS CONFIRMED INDEPENDENT OF ANY STARTING MODEL. THE CONNECTING LOOP BETWEEN BETA STRANDS B AND C IN THE CH1 DOMAIN IS POORLY DEFINED IN THE STRUCTURE. ATTEMPTS TO IMPROVE THE LOOP H123-H133 USING VARIOUS NCS AVERAGING SCHEMES AS WELL AS AUTOMATED REBUILDING AND REFINEMENT WITH ARP DID NOT IMPROVE THIS REGION. HOWEVER, USING ARP THE TRACING OF CH BETA STRANDS B-E WAS CONFIRMED INDEPENDENT OF ANY STARTING MODEL.
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Displacement parameters | Biso mean: 16.9 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.9→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.9→2.02 Å / Rfactor Rfree error: 0.026 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.851 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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