+Open data
-Basic information
Entry | Database: PDB / ID: 8vdd | ||||||
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Title | Crystal structure of Proinsulin C-peptide bound to HLA-DQ8 | ||||||
Components |
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Keywords | IMMUNE SYSTEM / pMHC II complex | ||||||
Function / homology | Function and homology information antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic 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 ...antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic 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 / positive regulation of peptide hormone secretion / positive regulation of respiratory burst / negative regulation of acute inflammatory response / Regulation of gene expression in beta cells / alpha-beta T cell activation / regulation of amino acid metabolic process / negative regulation of respiratory burst involved in inflammatory response / positive regulation of dendritic spine maintenance / positive regulation of glycogen biosynthetic process / Synthesis, secretion, and deacylation of Ghrelin / negative regulation of protein secretion / regulation of protein localization to plasma membrane / fatty acid homeostasis / negative regulation of lipid catabolic process / negative regulation of gluconeogenesis / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / COPI-mediated anterograde transport / positive regulation of lipid biosynthetic process / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / positive regulation of insulin receptor signaling pathway / nitric oxide-cGMP-mediated signaling / negative regulation of reactive oxygen species biosynthetic process / transport vesicle / positive regulation of protein autophosphorylation / Insulin receptor recycling / insulin-like growth factor receptor binding / neuron projection maintenance / positive regulation of protein metabolic process / NPAS4 regulates expression of target genes / positive regulation of brown fat cell differentiation / activation of protein kinase B activity / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of glycolytic process / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / positive regulation of nitric-oxide synthase activity / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / acute-phase response / endosome lumen / positive regulation of D-glucose import / Regulation of insulin secretion / negative regulation of proteolysis / positive regulation of protein secretion / positive regulation of cell differentiation / regulation of transmembrane transporter activity / insulin receptor binding / wound healing / negative regulation of protein catabolic process / regulation of synaptic plasticity / hormone activity / positive regulation of neuron projection development / cognition / positive regulation of protein localization to nucleus / Golgi lumen / MHC class II protein complex / vasodilation / glucose metabolic process / insulin receptor signaling pathway / cell-cell signaling / glucose homeostasis / regulation of protein localization / positive regulation of NF-kappaB transcription factor activity / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / positive regulation of cell growth / protease binding / secretory granule lumen / adaptive immune response / positive regulation of MAPK cascade / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / endosome membrane / positive regulation of cell migration / G protein-coupled receptor signaling pathway / Amyloid fiber formation / endoplasmic reticulum lumen / Golgi membrane / lysosomal membrane / negative regulation of gene expression / positive regulation of cell population proliferation / regulation of DNA-templated transcription / positive regulation of gene expression / extracellular space / extracellular region / identical protein binding Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å | ||||||
Authors | Tran, T.M. / Lim, J.J. / Loh, T.Y. / Mannering, I.S. / Rossjohn, J. / Reid, H.H. | ||||||
Funding support | Australia, 1items
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Citation | Journal: J.Biol.Chem. / Year: 2024 Title: A structural basis of T cell cross-reactivity to native and spliced self-antigens presented by HLA-DQ8. Authors: Tran, M.T. / Lim, J.J. / Loh, T.J. / Mannering, S.I. / Rossjohn, J. / Reid, H.H. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8vdd.cif.gz | 201.5 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8vdd.ent.gz | 132.5 KB | Display | PDB format |
PDBx/mmJSON format | 8vdd.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8vdd_validation.pdf.gz | 481 KB | Display | wwPDB validaton report |
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Full document | 8vdd_full_validation.pdf.gz | 482.5 KB | Display | |
Data in XML | 8vdd_validation.xml.gz | 15.8 KB | Display | |
Data in CIF | 8vdd_validation.cif.gz | 20.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/vd/8vdd ftp://data.pdbj.org/pub/pdb/validation_reports/vd/8vdd | HTTPS FTP |
-Related structure data
Related structure data | 8vcxC 8vcyC 8vd0C 8vd2C 8vduC C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-MHC class II HLA-DQ- ... , 2 types, 2 molecules AB
#1: Protein | Mass: 21124.516 Da / Num. of mol.: 1 / Mutation: I75C Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-DQA1 / Cell line (production host): High Five (BTI-Tn-5B1-4) / Production host: Trichoplusia ni (cabbage looper) / Strain (production host): DH10B / References: UniProt: Q30069 |
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#2: Protein | Mass: 22605.383 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-DQB1 / Plasmid: pZip3 / Cell line (production host): High Five (BTI-Tn-5B1-4) / Production host: Trichoplusia ni (cabbage looper) / Strain (production host): DH10B / References: UniProt: O19707 |
-Protein/peptide / Sugars , 2 types, 2 molecules C
#3: Protein/peptide | Mass: 1388.461 Da / Num. of mol.: 1 / Mutation: G9E, L11C Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: INS / Plasmid: pZip3 / Cell line (production host): High Five (BTI-Tn-5B1-4) / Production host: Trichoplusia ni (cabbage looper) / Strain (production host): DH10B / References: UniProt: P01308 |
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#4: Sugar | ChemComp-NAG / |
-Non-polymers , 2 types, 53 molecules
#5: Chemical | ChemComp-GOL / |
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#6: Water | ChemComp-HOH / |
-Details
Has ligand of interest | N |
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Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 3.13 Å3/Da / Density % sol: 60.67 % |
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Crystal grow | Temperature: 293.15 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 0.2 M K Na tartrate, 14% w/v PEG 20,000 with seeding and additive C8 silver bullet |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.95374 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Feb 19, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.95374 Å / Relative weight: 1 |
Reflection | Resolution: 2.6→43.64 Å / Num. obs: 17563 / % possible obs: 99.8 % / Redundancy: 5.7 % / Biso Wilson estimate: 35.35 Å2 / CC1/2: 0.951 / Rpim(I) all: 0.141 / Rrim(I) all: 0.346 / Net I/σ(I): 3.6 |
Reflection shell | Resolution: 2.6→2.72 Å / Rmerge(I) obs: 0.663 / Mean I/σ(I) obs: 2.2 / Num. unique obs: 2117 / CC1/2: 0.758 / Rpim(I) all: 0.3 |
-Processing
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.6→43.64 Å / SU ML: 0.4023 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 28.4038 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 47 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.6→43.64 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 | Refine-ID: X-RAY DIFFRACTION
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