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Open data
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Basic information
| Entry | Database: PDB / ID: 1a4k | ||||||
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| Title | DIELS ALDER CATALYTIC ANTIBODY WITH TRANSITION STATE ANALOGUE | ||||||
Components | (ANTIBODY FAB) x 2 | ||||||
Keywords | IMMUNOGLOBULIN / ANTIBODY / CATALYTIC ANTIBODY / DIELS ALDER / GERMLINE | ||||||
| Function / homology | Function and homology informationIgD immunoglobulin complex / IgA immunoglobulin complex / IgM immunoglobulin complex / IgE immunoglobulin complex / CD22 mediated BCR regulation / IgG immunoglobulin complex / Fc epsilon receptor (FCERI) signaling / Classical antibody-mediated complement activation / Initial triggering of complement / immunoglobulin mediated immune response ...IgD immunoglobulin complex / IgA immunoglobulin complex / IgM immunoglobulin complex / IgE immunoglobulin complex / CD22 mediated BCR regulation / IgG immunoglobulin complex / Fc epsilon receptor (FCERI) signaling / Classical antibody-mediated complement activation / Initial triggering of complement / immunoglobulin mediated immune response / FCGR activation / Role of LAT2/NTAL/LAB on calcium mobilization / Role of phospholipids in phagocytosis / Scavenging of heme from plasma / antigen binding / FCERI mediated Ca+2 mobilization / FCGR3A-mediated IL10 synthesis / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / Regulation of Complement cascade / Cell surface interactions at the vascular wall / B cell receptor signaling pathway / FCGR3A-mediated phagocytosis / FCERI mediated MAPK activation / Regulation of actin dynamics for phagocytic cup formation / FCERI mediated NF-kB activation / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / blood microparticle / Potential therapeutics for SARS / adaptive immune response / immune response / extracellular space / extracellular exosome / extracellular region / plasma membrane Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å | ||||||
Authors | Spiller, B.W. / Romesburg, F.E. / Schultz, P.G. / Stevens, R.C. | ||||||
Citation | Journal: Science / Year: 1998Title: Immunological origins of binding and catalysis in a Diels-Alderase antibody. Authors: Romesberg, F.E. / Spiller, B. / Schultz, P.G. / Stevens, R.C. | ||||||
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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 | 1a4k.cif.gz | 183.4 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1a4k.ent.gz | 144.9 KB | Display | PDB format |
| PDBx/mmJSON format | 1a4k.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1a4k_validation.pdf.gz | 949.8 KB | Display | wwPDB validaton report |
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| Full document | 1a4k_full_validation.pdf.gz | 998.2 KB | Display | |
| Data in XML | 1a4k_validation.xml.gz | 39.9 KB | Display | |
| Data in CIF | 1a4k_validation.cif.gz | 54.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a4/1a4k ftp://data.pdbj.org/pub/pdb/validation_reports/a4/1a4k | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1a4jC ![]() 1tetS 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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Components
| #1: Antibody | Mass: 23732.557 Da / Num. of mol.: 2 / Fragment: FAB Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Antibody | Mass: 23593.459 Da / Num. of mol.: 2 / Fragment: FAB Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #3: Chemical | ChemComp-CD / #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: 3.06 Å3/Da / Density % sol: 52 % | |||||||||||||||||||||||||||||||||||
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| Crystal grow | pH: 8 Details: 17% PEG 8K, 200MM (NH4)2SO4, 10MM CDS0 100MM TRIS PH 8.0 | |||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 4 ℃ / 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: SSRL / Beamline: BL7-1 / Wavelength: 0.87 |
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Nov 1, 1996 / Details: WIGGLER |
| Radiation | Monochromator: MONOCHROMATOR / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.87 Å / Relative weight: 1 |
| Reflection | Resolution: 2.4→20 Å / Num. obs: 45827 / % possible obs: 99.6 % / Observed criterion σ(I): 2 / Redundancy: 5.3 % / Biso Wilson estimate: 45.7 Å2 / Rsym value: 0.047 / Net I/σ(I): 21 |
| Reflection shell | Resolution: 2.4→2.49 Å / Redundancy: 3.6 % / Mean I/σ(I) obs: 6 / Rsym value: 0.12 / % possible all: 99.8 |
| Reflection | *PLUS Num. measured all: 243063 / Rmerge(I) obs: 0.047 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: PDB ENTRY 1TET Resolution: 2.4→20 Å / Cross valid method: THROUGHOUT / σ(F): 2
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| Displacement parameters | Biso mean: 41.5 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.4→20 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.4→2.51 Å / Total num. of bins used: 8
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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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