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Open data
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Basic information
Entry | Database: PDB / ID: 4md4 | ||||||||||||
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Title | Immune Receptor | ||||||||||||
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![]() | IMMUNE SYSTEM / HLA-DR / Antigen presentation / T-cell receptor / Citrullination / Membrane | ||||||||||||
Function / homology | ![]() Defective CHST6 causes MCDC1 / Defective ST3GAL3 causes MCT12 and EIEE15 / keratan sulfate catabolic process / keratan sulfate biosynthetic process / Keratan sulfate degradation / Defective B4GALT1 causes B4GALT1-CDG (CDG-2d) / Keratan sulfate biosynthesis / chondrocyte development / proteoglycan biosynthetic process / hyaluronic acid binding ...Defective CHST6 causes MCDC1 / Defective ST3GAL3 causes MCT12 and EIEE15 / keratan sulfate catabolic process / keratan sulfate biosynthetic process / Keratan sulfate degradation / Defective B4GALT1 causes B4GALT1-CDG (CDG-2d) / Keratan sulfate biosynthesis / chondrocyte development / proteoglycan biosynthetic process / hyaluronic acid binding / regulation of interleukin-4 production / regulation of interleukin-10 production / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / positive regulation of T cell mediated immune response to tumor cell / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / MHC class II receptor activity / positive regulation of CD4-positive, alpha-beta T cell activation / antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / positive regulation of memory T cell differentiation / positive regulation of monocyte differentiation / CD4 receptor binding / inflammatory response to antigenic stimulus / positive regulation of kinase activity / collagen fibril organization / intermediate filament / transport vesicle membrane / extracellular matrix structural constituent / cartilage condensation / polysaccharide binding / T-helper 1 type immune response / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / positive regulation of insulin secretion involved in cellular response to glucose stimulus / humoral immune response / macrophage differentiation / negative regulation of type II interferon production / Generation of second messenger molecules / immunological synapse / basement membrane / ECM proteoglycans / PD-1 signaling / epidermis development / T cell receptor binding / negative regulation of T cell proliferation / detection of bacterium / negative regulation of inflammatory response to antigenic stimulus / MHC class II antigen presentation / Degradation of the extracellular matrix / lysosomal lumen / extracellular matrix / extracellular matrix organization / trans-Golgi network membrane / skeletal system development / central nervous system development / lumenal side of endoplasmic reticulum membrane / protein tetramerization / clathrin-coated endocytic vesicle membrane / ER to Golgi transport vesicle membrane / structural constituent of cytoskeleton / cognition / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / Golgi lumen / positive regulation of T cell mediated cytotoxicity / peptide antigen binding / antigen processing and presentation of exogenous peptide antigen via MHC class II / endocytic vesicle membrane / Interferon gamma signaling / positive regulation of immune response / positive regulation of T cell activation / Downstream TCR signaling / MHC class II protein complex binding / late endosome membrane / heart development / T cell receptor signaling pathway / early endosome membrane / carbohydrate binding / collagen-containing extracellular matrix / positive regulation of canonical NF-kappaB signal transduction / adaptive immune response / positive regulation of MAPK cascade / positive regulation of ERK1 and ERK2 cascade / positive regulation of viral entry into host cell / lysosome / cell adhesion / immune response / positive regulation of protein phosphorylation / external side of plasma membrane / Golgi membrane / lysosomal membrane / positive regulation of DNA-templated transcription / cell surface / signal transduction / proteolysis / extracellular space / extracellular exosome / extracellular region Similarity search - Function | ||||||||||||
Biological species | ![]() | ||||||||||||
Method | ![]() ![]() ![]() | ||||||||||||
![]() | Scally, S.W. / Rossjohn, J. | ||||||||||||
![]() | ![]() Title: A molecular basis for the association of the HLA-DRB1 locus, citrullination, and rheumatoid arthritis. Authors: Scally, S.W. / Petersen, J. / Law, S.C. / Dudek, N.L. / Nel, H.J. / Loh, K.L. / Wijeyewickrema, L.C. / Eckle, S.B. / van Heemst, J. / Pike, R.N. / McCluskey, J. / Toes, R.E. / La Gruta, N.L. ...Authors: Scally, S.W. / Petersen, J. / Law, S.C. / Dudek, N.L. / Nel, H.J. / Loh, K.L. / Wijeyewickrema, L.C. / Eckle, S.B. / van Heemst, J. / Pike, R.N. / McCluskey, J. / Toes, R.E. / La Gruta, N.L. / Purcell, A.W. / Reid, H.H. / Thomas, R. / Rossjohn, J. | ||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 188.6 KB | Display | ![]() |
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PDB format | ![]() | 147.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 4mcyC ![]() 4mczC ![]() 4md0C ![]() 4md5C ![]() 4mdiC ![]() 4mdjC 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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Components on special symmetry positions |
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Components
-HLA class II histocompatibility antigen, ... , 2 types, 2 molecules AB
#1: Protein | Mass: 21919.594 Da / Num. of mol.: 1 / Fragment: Extracellular Domain, UNP residues 26-206 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Protein | Mass: 23224.617 Da / Num. of mol.: 1 / Fragment: Extracellular Domain, UNP residues 30-219 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
-Protein/peptide , 1 types, 1 molecules C
#3: Protein/peptide | Mass: 1802.916 Da / Num. of mol.: 1 / Fragment: UNP residues 89-103 / Source method: obtained synthetically Details: This sequence is from human aggrecan and contains citrulline at positions 93 and 95 Source: (synth.) ![]() |
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-Sugars , 2 types, 3 molecules ![](data/chem/img/NAG.gif)
#4: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
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#5: Sugar |
-Non-polymers , 2 types, 473 molecules ![](data/chem/img/EDO.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/HOH.gif)
#6: Chemical | #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.65 Å3/Da / Density % sol: 53.52 % |
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 7.3 Details: 25% PEG 3350, 0.2M Potassium Nitrate, 0.1M Bis-Tris-Propane pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 294K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 210r / Detector: CCD / Date: Nov 25, 2011 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.95369 Å / Relative weight: 1 |
Reflection | Resolution: 1.95→62.97 Å / Num. obs: 34301 / Redundancy: 6.5 % / Rmerge(I) obs: 0.122 |
Reflection shell | Resolution: 1.95→2.06 Å / Redundancy: 4.2 % / Rmerge(I) obs: 0.457 / Mean I/σ(I) obs: 2.6 / % possible all: 85.8 |
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Processing
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Refinement | Method to determine structure: ![]()
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.95→45.077 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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