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Open data
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Basic information
Entry | Database: PDB / ID: 1eeu | ||||||
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Title | M4L/Y(27D)D/Q89D/T94H mutant of LEN | ||||||
![]() | KAPPA-4 IMMUNOGLOBULIN (LIGHT CHAIN) | ||||||
![]() | IMMUNE SYSTEM / Human Kappa-4 Immunoglobulin Light Chain / Mutant / Aspartic Acid in beta-sheet / Protein Stability | ||||||
Function / homology | ![]() CD22 mediated BCR regulation / Fc epsilon receptor (FCERI) signaling / Classical antibody-mediated complement activation / Initial triggering of complement / immunoglobulin complex / FCGR activation / Role of LAT2/NTAL/LAB on calcium mobilization / Role of phospholipids in phagocytosis / Scavenging of heme from plasma / antigen binding ...CD22 mediated BCR regulation / Fc epsilon receptor (FCERI) signaling / Classical antibody-mediated complement activation / Initial triggering of complement / immunoglobulin complex / 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 / 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 / adaptive immune response / Potential therapeutics for SARS / immune response / extracellular region / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Pokkuluri, P.R. / Cai, X. / Gu, M. / Stevens, F.J. / Schiffer, M. | ||||||
![]() | ![]() Title: Factors contributing to decreased protein stability when aspartic acid residues are in beta-sheet regions. Authors: Pokkuluri, P.R. / Gu, M. / Cai, X. / Raffen, R. / Stevens, F.J. / Schiffer, M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 63.7 KB | Display | ![]() |
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PDB format | ![]() | 45.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 432.3 KB | Display | ![]() |
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Full document | ![]() | 431.8 KB | Display | |
Data in XML | ![]() | 14.3 KB | Display | |
Data in CIF | ![]() | 20.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1efqC ![]() 1eeqS 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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Unit cell |
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Details | The biological Assembly is a homo dimer formed by chains A and B. |
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Components
#1: Antibody | Mass: 12607.890 Da / Num. of mol.: 2 / Mutation: M4L/Y(27D)D/Q89D/T94H Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.77 Å3/Da / Density % sol: 55.61 % | ||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: 20% PEG4K, 20% 2-Propanol, 0.1 M Sodium Citrate pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K | ||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS | ||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: CUSTOM-MADE / Detector: CCD / Date: Jul 6, 1999 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.91841 Å / Relative weight: 1 |
Reflection | Resolution: 1.6→20 Å / Num. all: 37837 / Num. obs: 37705 / % possible obs: 99.7 % / Observed criterion σ(I): -3 / Redundancy: 18 % / Biso Wilson estimate: 17 Å2 / Rmerge(I) obs: 0.061 / Net I/σ(I): 43.6 |
Reflection shell | Resolution: 1.6→1.65 Å / Redundancy: 6 % / Rmerge(I) obs: 0.26 / Mean I/σ(I) obs: 7.3 / Num. unique all: 3491 / % possible all: 99.6 |
Reflection shell | *PLUS Rmerge(I) obs: 0.263 |
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Processing
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Refinement | Method to determine structure: Rigid body fitting Starting model: 1EEQ WITH ATOMS BEYOND CB REMOVED FOR RESIDUES A 89 AND B 389 Resolution: 1.6→8 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 763311.74 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 3 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 62.31 Å2 / ksol: 0.515 e/Å3 | ||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 20.1 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.6→8 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.6→1.7 Å / Rfactor Rfree error: 0.011 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Version: 0.9 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS σ(F): 3 / % reflection Rfree: 10 % / Rfactor obs: 0.195 | ||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 20.1 Å2 | ||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.236 / % reflection Rfree: 10.2 % / Rfactor Rwork: 0.204 |