- 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 glycogen catabolic process / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / Signaling by Insulin receptor / negative regulation of feeding behavior / IRS activation / Insulin processing / regulation of protein secretion / positive regulation of peptide hormone secretion / positive regulation of respiratory burst ...negative regulation of glycogen catabolic process / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / Signaling by Insulin receptor / negative regulation of feeding behavior / 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 / Synthesis, secretion, and deacylation of Ghrelin / positive regulation of dendritic spine maintenance / negative regulation of protein secretion / negative regulation of gluconeogenesis / positive regulation of glycogen biosynthetic process / fatty acid homeostasis / positive regulation of insulin receptor signaling pathway / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / negative regulation of respiratory burst involved in inflammatory response / antigen processing and presentation of peptide antigen via MHC class I / negative regulation of lipid catabolic process / positive regulation of lipid biosynthetic process / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / regulation of protein localization to plasma membrane / nitric oxide-cGMP-mediated signaling / transport vesicle / positive regulation of nitric-oxide synthase activity / Insulin receptor recycling / COPI-mediated anterograde transport / negative regulation of reactive oxygen species biosynthetic process / positive regulation of brown fat cell differentiation / insulin-like growth factor receptor binding / NPAS4 regulates expression of target genes / neuron projection maintenance / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / positive regulation of glycolytic process / endosome lumen / acute-phase response / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / positive regulation of D-glucose import across plasma membrane / positive regulation of protein secretion / Endosomal/Vacuolar pathway / T cell mediated cytotoxicity / insulin receptor binding / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / lumenal side of endoplasmic reticulum membrane / regulation of iron ion transport / positive regulation of cell differentiation / cellular response to iron(III) ion / Regulation of insulin secretion / negative regulation of iron ion transport / negative regulation of forebrain neuron differentiation / wound healing / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / regulation of erythrocyte differentiation / response to molecule of bacterial origin / HFE-transferrin receptor complex / transferrin transport / MHC class I peptide loading complex / cellular response to iron ion / negative regulation of receptor-mediated endocytosis / hormone activity / positive regulation of T cell cytokine production / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of neuron projection development / MHC class I protein complex / negative regulation of protein catabolic process / peptide antigen assembly with MHC class II protein complex / regulation of synaptic plasticity / negative regulation of neurogenesis / cellular response to nicotine / positive regulation of receptor-mediated endocytosis / MHC class II protein complex / multicellular organismal-level iron ion homeostasis / positive regulation of T cell mediated cytotoxicity / positive regulation of protein localization to nucleus / Golgi lumen / vasodilation / specific granule lumen / cognition / positive regulation of immune response / antigen processing and presentation of exogenous peptide antigen via MHC class II / peptide antigen binding / glucose metabolic process / phagocytic vesicle membrane / recycling endosome membrane / positive regulation of T cell activation / negative regulation of epithelial cell proliferation Similarity search - Function
Insulin / Insulin family / Insulin-like / Insulin/IGF/Relaxin family / Insulin / insulin-like growth factor / relaxin family. / Insulin, conserved site / Insulin family signature. / 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-like / Insulin/IGF/Relaxin family / Insulin / insulin-like growth factor / relaxin family. / Insulin, conserved site / Insulin family signature. / 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 / Immunoglobulin-like fold / Immunoglobulins / 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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