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Open data
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Basic information
Entry | Database: PDB / ID: 1f3j | ||||||
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Title | HISTOCOMPATIBILITY ANTIGEN I-AG7 | ||||||
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![]() | IMMUNE SYSTEM / HISTOCOMPATIBILITY ANTIGEN / MHC / PEPTIDE COMPLEX | ||||||
Function / homology | ![]() antigen processing and presentation of peptide antigen / positive regulation of T cell differentiation / antigen processing and presentation / multivesicular body / Lactose synthesis / Antimicrobial peptides / Neutrophil degranulation / beta-N-acetylglucosaminidase activity / MHC class II protein complex / antigen processing and presentation of exogenous peptide antigen via MHC class II ...antigen processing and presentation of peptide antigen / positive regulation of T cell differentiation / antigen processing and presentation / multivesicular body / Lactose synthesis / Antimicrobial peptides / Neutrophil degranulation / beta-N-acetylglucosaminidase activity / MHC class II protein complex / antigen processing and presentation of exogenous peptide antigen via MHC class II / peptide antigen binding / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / defense response to Gram-negative bacterium / killing of cells of another organism / adaptive immune response / lysosome / early endosome / defense response to Gram-positive bacterium / defense response to bacterium / external side of plasma membrane / Golgi apparatus / cell surface / endoplasmic reticulum / extracellular space / identical protein binding / plasma membrane / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Latek, R.R. / Unanue, E.R. / Fremont, D.H. | ||||||
![]() | ![]() Title: Structural basis of peptide binding and presentation by the type I diabetes-associated MHC class II molecule of NOD mice. Authors: Latek, R.R. / Suri, A. / Petzold, S.J. / Nelson, C.A. / Kanagawa, O. / Unanue, E.R. / Fremont, D.H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 168.4 KB | Display | ![]() |
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PDB format | ![]() | 135.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 426.3 KB | Display | ![]() |
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Full document | ![]() | 470.8 KB | Display | |
Data in XML | ![]() | 23.7 KB | Display | |
Data in CIF | ![]() | 33.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1iakS 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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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 20792.258 Da / Num. of mol.: 2 / Fragment: A-D ALPHA CHAIN Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Protein | Mass: 22179.779 Da / Num. of mol.: 2 / Fragment: BETA CHAIN Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #3: Protein/peptide | Mass: 1671.880 Da / Num. of mol.: 2 Fragment: RESIDUES 11-24, CORRESPOND TO BINDING SITES P-3 TO P11 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #4: Sugar | ChemComp-NAG / #5: Water | ChemComp-HOH / | Compound details | THIS ENTRY CONTAINS COORDINATES FOR THE EXTRACELLULAR DOMAINS OF THE MURINE MHC CLASS II MOLECULE I- ...THIS ENTRY CONTAINS COORDINATE | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.96 Å3/Da / Density % sol: 58.46 % | |||||||||||||||||||||||||||||||||||
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Crystal grow | pH: 4.4 / Details: pH 4.4 | |||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 20 ℃ / pH: 7.4 / 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: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Details: YALE MIRRORS |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.54 Å / Relative weight: 1 |
Reflection | Resolution: 3.1→20 Å / Num. obs: 18859 / % possible obs: 93.7 % / Observed criterion σ(I): 0 / Redundancy: 5.5 % / Biso Wilson estimate: 39.1 Å2 / Rmerge(I) obs: 0.129 / Net I/σ(I): 6 |
Reflection shell | Resolution: 3.1→3.29 Å / Rmerge(I) obs: 0.345 / Mean I/σ(I) obs: 2.3 / % possible all: 98.8 |
Reflection | *PLUS Num. measured all: 102791 |
Reflection shell | *PLUS % possible obs: 98.8 % / Num. unique obs: 3524 / Num. measured obs: 15897 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1IAK Resolution: 3.1→19.82 Å / Rfactor Rfree error: 0.011 / Data cutoff high absF: 285984.27 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 3
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Displacement parameters | Biso mean: 36.4 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 3.1→19.82 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3.1→3.29 Å / Rfactor Rfree error: 0.034 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 3.1 Å / σ(F): 3 / % reflection Rfree: 4.8 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 36.4 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.363 / % reflection Rfree: 5 % / Rfactor Rwork: 0.285 / Rfactor obs: 0.285 |