- PDB-4z78: Weak TCR binding to an unstable insulin epitope drives type 1 diabetes -
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Basic information
Entry
Database: PDB / ID: 4z78
Title
Weak TCR binding to an unstable insulin epitope drives type 1 diabetes
Components
Beta-2-microglobulin
H-2 class I histocompatibility antigen, K-D alpha chain
Insulin
Keywords
IMMUNE SYSTEM / Immunoglobulin / H-2Kd / Type 1 Diabetes
Function / homology
Function and homology information
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 ...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 / positive regulation of respiratory burst / positive regulation of peptide hormone secretion / antigen processing and presentation of exogenous peptide antigen via MHC class I / Regulation of gene expression in beta cells / negative regulation of acute inflammatory response / alpha-beta T cell activation / inner ear development / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / 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 / Signal attenuation / beta-2-microglobulin binding / 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 / 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 / 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 / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / positive regulation of nitric-oxide synthase activity / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / negative regulation of receptor binding / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / acute-phase response / Regulation of insulin secretion / endosome lumen / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / positive regulation of protein secretion / positive regulation of glucose import / negative regulation of proteolysis / lumenal side of endoplasmic reticulum membrane / cellular response to iron ion / positive regulation of cell differentiation / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / regulation of transmembrane transporter activity / peptide binding / insulin-like growth factor receptor binding / cellular response to iron(III) ion / wound healing / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / negative regulation of forebrain neuron differentiation / insulin receptor binding / regulation of synaptic plasticity / regulation of erythrocyte differentiation / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / regulation of iron ion transport / response to molecule of bacterial origin / MHC class I peptide loading complex / HFE-transferrin receptor complex / negative regulation of protein catabolic process / hormone activity / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / cognition / MHC class I protein complex / multicellular organismal-level iron ion homeostasis / positive regulation of neuron projection development / negative regulation of neurogenesis / peptide antigen assembly with MHC class II protein complex / positive regulation of receptor-mediated endocytosis / positive regulation of protein localization to nucleus Similarity search - Function
Insulin / Insulin family / Insulin/IGF/Relaxin family / Insulin, conserved site / Insulin family signature. / Insulin-like / Insulin / insulin-like growth factor / relaxin family. / Insulin-like superfamily / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 ...Insulin / Insulin family / Insulin/IGF/Relaxin family / Insulin, conserved site / Insulin family signature. / Insulin-like / Insulin / insulin-like growth factor / relaxin family. / Insulin-like superfamily / MHC class I-like antigen recognition-like / Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1 / MHC class I alpha chain, alpha1 alpha2 domains / Class I Histocompatibility antigen, domains alpha 1 and 2 / Beta-2-Microglobulin / MHC class I-like antigen recognition-like / MHC class I-like antigen recognition-like superfamily / MHC classes I/II-like antigen recognition protein / Immunoglobulin/major histocompatibility complex, conserved site / Immunoglobulins and major histocompatibility complex proteins signature. / Immunoglobulin C-Type / Immunoglobulin C1-set / Immunoglobulin C1-set domain / Ig-like domain profile. / Immunoglobulin-like domain / Immunoglobulin-like domain superfamily / Immunoglobulins / Immunoglobulin-like fold / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Mainly Beta / Alpha Beta Similarity search - Domain/homology
Insulin / H-2 class I histocompatibility antigen, K-D alpha chain / Beta-2-microglobulin Similarity search - Component
Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.304→78.09 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.93 / WRfactor Rfree: 0.2301 / WRfactor Rwork: 0.1861 / FOM work R set: 0.832 / SU B: 14.573 / SU ML: 0.174 / SU R Cruickshank DPI: 0.3705 / SU Rfree: 0.2344 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.37 / ESU R Free: 0.234 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.2327
2925
5.1 %
RANDOM
Rwork
0.1882
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obs
0.1904
54718
99.96 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
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