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Open data
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Basic information
Entry | Database: PDB / ID: 1jk8 | ||||||
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Title | Crystal structure of a human insulin peptide-HLA-DQ8 complex | ||||||
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![]() | IMMUNE SYSTEM / HLA-DQ8 / insulin B peptide / type 1 diabetes / autoimmunity | ||||||
Function / homology | ![]() : / MHC class II receptor activity / transport vesicle membrane / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / regulation of cellular amino acid metabolic process / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / negative regulation of feeding behavior / Signaling by Insulin receptor ...: / MHC class II receptor activity / transport vesicle membrane / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / regulation of cellular amino acid metabolic process / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / negative regulation of feeding behavior / Signaling by Insulin receptor / IRS activation / Insulin processing / regulation of protein secretion / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / positive regulation of respiratory burst / positive regulation of peptide hormone secretion / plasma membrane => GO:0005886 / Regulation of gene expression in beta cells / negative regulation of acute inflammatory response / alpha-beta T cell activation / humoral immune response / negative regulation of respiratory burst involved in inflammatory response / Generation of second messenger molecules / positive regulation of dendritic spine maintenance / positive regulation of glycogen biosynthetic process / PD-1 signaling / Synthesis, secretion, and deacylation of Ghrelin / negative regulation of protein secretion / regulation of protein localization to plasma membrane / fatty acid homeostasis / Signal attenuation / negative regulation of lipid catabolic process / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / negative regulation of gluconeogenesis / COPI-mediated anterograde transport / positive regulation of lipid biosynthetic process / type II interferon-mediated signaling pathway / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / negative regulation of reactive oxygen species biosynthetic process / positive regulation of insulin receptor signaling pathway / nitric oxide-cGMP-mediated signaling / transport vesicle / positive regulation of protein autophosphorylation / Insulin receptor recycling / neuron projection maintenance / NPAS4 regulates expression of target genes / positive regulation of protein metabolic process / MHC class II antigen presentation / positive regulation of brown fat cell differentiation / positive regulation of glycolytic process / activation of protein kinase B activity / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / trans-Golgi network membrane / positive regulation of nitric-oxide synthase activity / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / acute-phase response / Regulation of insulin secretion / endosome lumen / positive regulation of protein secretion / positive regulation of glucose import / negative regulation of proteolysis / lumenal side of endoplasmic reticulum membrane / positive regulation of cell differentiation / regulation of transmembrane transporter activity / insulin-like growth factor receptor binding / wound healing / clathrin-coated endocytic vesicle membrane / insulin receptor binding / regulation of synaptic plasticity / ER to Golgi transport vesicle membrane / negative regulation of protein catabolic process / hormone activity / cognition / positive regulation of neuron projection development / peptide antigen assembly with MHC class II protein complex / positive regulation of protein localization to nucleus / Golgi lumen / MHC class II protein complex / vasodilation / glucose metabolic process / peptide antigen binding / antigen processing and presentation of exogenous peptide antigen via MHC class II / regulation of protein localization / endocytic vesicle membrane / Interferon gamma signaling / positive regulation of immune response / Downstream TCR signaling / positive regulation of T cell activation / insulin receptor signaling pathway / cell-cell signaling / MHC class II protein complex binding / glucose homeostasis / late endosome membrane / positive regulation of NF-kappaB transcription factor activity / T cell receptor signaling pathway / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Lee, K.H. / Wucherpfennig, K.W. / Wiley, D.C. | ||||||
![]() | ![]() Title: Structure of a human insulin peptide-HLA-DQ8 complex and susceptibility to type 1 diabetes. Authors: Lee, K.H. / Wucherpfennig, K.W. / Wiley, D.C. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 88.4 KB | Display | ![]() |
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PDB format | ![]() | 69.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 468.4 KB | Display | ![]() |
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Full document | ![]() | 479.6 KB | Display | |
Data in XML | ![]() | 17.9 KB | Display | |
Data in CIF | ![]() | 24.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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
#1: Protein | Mass: 20734.102 Da / Num. of mol.: 1 / Fragment: alpha chain (DQA1*0301) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Protein | Mass: 22333.100 Da / Num. of mol.: 1 / Fragment: beta chain (DQB1*0302) Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#3: Protein/peptide | Mass: 1479.721 Da / Num. of mol.: 1 / Fragment: peptide (9-SHLVEALYLVCGERG-23) / Source method: obtained synthetically Details: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE OF THIS PEPTIDE OCCURS NATURALLY IN HUMANS (HOMO SAPIENS). References: GenBank: 3776078, UniProt: P01308*PLUS |
#4: Sugar | ChemComp-NAG / |
#5: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.71 Å3/Da / Density % sol: 54.64 % | |||||||||||||||||||||||||
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 3.5 Details: PEG 8000, magnesium acetate, pH 3.5, VAPOR DIFFUSION, HANGING DROP, temperature 18K | |||||||||||||||||||||||||
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: ADSC QUANTUM 4 / Detector: CCD / Date: Jan 1, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.4→30 Å / Num. obs: 18183 / % possible obs: 95 % / Biso Wilson estimate: 10.9 Å2 / Rmerge(I) obs: 0.103 |
Reflection | *PLUS Lowest resolution: 30 Å / % possible obs: 95 % |
Reflection shell | *PLUS Highest resolution: 2.4 Å / Lowest resolution: 2.49 Å / Rmerge(I) obs: 0.362 |
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Processing
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Refinement | Method to determine structure: ![]()
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 24.6514 Å2 / ksol: 0.335285 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 23 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.4→29.16 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.4→2.55 Å / Rfactor Rfree error: 0.021 / Total num. of bins used: 6
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Software | *PLUS Name: CNS / Version: 1 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS σ(F): 2 / % reflection Rfree: 9.9 % | ||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 23 Å2 | ||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Lowest resolution: 2.42 Å / Rfactor Rfree: 0.311 / % reflection Rfree: 9.7 % / Rfactor Rwork: 0.315 |