E3 ligase Ligand 1 dihydrochloride

E3 ligase Ligand 1 dihydrochloride is a von Hippel-Landau (VHL) E3 ligase-binding moiety based on PROTAC technology.

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Molecular Formula
C23H34Cl2N4O3S
Molecular Weight
517.51
    • Specification
      • Storage
        Please store the product under the recommended conditions in the Certificate of Analysis.
        Shipping
        Room temperature in continental US; may vary elsewhere
        Synonyms
        (2S,4R)-1-[(2S)-2-amino-3,3-dimethylbutanoyl]-4-hydroxy-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]pyrrolidine-2-carboxamide;dihydrochloride
    • Properties
      • InChI Key
        YTJDUDNKHHNDRD-ARZBPYMHSA-N
        InChI
        InChI=1S/C23H32N4O3S.2ClH/c1-13(15-6-8-16(9-7-15)19-14(2)25-12-31-19)26-21(29)18-10-17(28)11-27(18)22(30)20(24)23(3,4)5;;/h6-9,12-13,17-18,20,28H,10-11,24H2,1-5H3,(H,26,29);2*1H/t13-,17+,18-,20+;;/m0../s1
        Canonical SMILES
        CC1=C(SC=N1)C2=CC=C(C=C2)C(C)NC(=O)C3CC(CN3C(=O)C(C(C)(C)C)N)O.Cl.Cl
    • Reference Reading
      • 1. RNF186 regulates EFNB1 (ephrin B1)-EPHB2-induced autophagy in the colonic epithelial cells for the maintenance of intestinal homeostasis
        Huazhi Zhang, Zhihui Cui, Du Cheng, Yanyun Du, Xiaoli Guo, Ru Gao, Jianwen Chen, Wanwei Sun, Ruirui He, Xiaojian Ma, Qianwen Peng, Bradley N Martin, Wei Yan, Yueguang Rong, Chenhui Wang Autophagy. 2021 Oct;17(10):3030-3047.doi: 10.1080/15548627.2020.1851496.Epub 2020 Dec 17.
        Although genome-wide association studies have identified the gene RNF186 encoding an E3 ubiquitin-protein ligase as conferring susceptibility to ulcerative colitis, the exact function of this protein remains unclear. In the present study, we demonstrate an important role for RNF186 in macroautophagy/autophagy activation in colonic epithelial cells and intestinal homeostasis. Mechanistically, RNF186 acts as an E3 ubiquitin-protein ligase for EPHB2 and regulates the ubiquitination of EPHB2. Upon stimulation by ligand EFNB1 (ephrin B1), EPHB2 is ubiquitinated by RNF186 at Lys892, and further recruits MAP1LC3B for autophagy. Compared to control mice, rnf186-/- and ephb2-/- mice have a more severe phenotype in the DSS-induced colitis model, which is due to a defect in autophagy in colon epithelial cells. More importantly, treatment with ephrin-B1-Fc recombinant protein effectively relieves DSS-induced mouse colitis, which suggests that ephrin-B1-Fc may be a potential therapy for human inflammatory bowel diseases.Abbreviations: ACTB: actin beta; ATG5: autophagy related 5; ATG16L1: autophagy related 16 like 1; ATP: adenosine triphosphate; Cas9: CRISPR associated protein 9; CD: Crohn disease; CQ: chloroquine; Csf2: colony stimulating factor 2; Cxcl1: c-x-c motif chemokine ligand 1; DMSO: dimethyl sulfoxide; DSS: dextran sodium sulfate; EFNB1: ephrin B1; EPHB2: EPH receptor B2; EPHB3: EPH receptor B3; EPHB2K788R: lysine 788 mutated to arginine in EPHB2; EPHB2K892R: lysine 892 mutated to arginine in EPHB2; ER: endoplasmic reticulum; FITC: fluorescein isothiocyanate; GFP: green fluorescent protein; GWAS: genome-wide association studies; HRP: horseradish peroxidase; HSPA5/BiP: heat shock protein family A (Hsp70) member 5; IBD: inflammatory bowel diseases; Il1b: interleukin 1 beta; Il6: interleukin 6; IRGM:immunity related GTPase M; i.p.: intraperitoneally; IPP: inorganic pyrophosphatase; KD: knockdown; KO: knockout; MAP1LC3B: microtubule associated protein 1 light chain 3 beta; MTOR: mechanistic target of rapamycin kinase; NOD2: nucleotide binding oligomerization domain containing 2; PI3K: phosphoinositide 3-kinase; PtdIns3K: class III phosphatidylinositol 3-kinase; RNF186: ring finger protein 186; RNF186A64T: alanine 64 mutated to threonine in RNF186; RNF186R179X: arginine 179 mutated to X in RNF186; RPS6: ribosomal protein S6; Tnf: tumor necrosis factor; SQSTM1: sequestosome 1; Ub: ubiquitin; UBE2D2: ubiquitin conjugating enzyme E2 D2; UBE2H: ubiquitin conjugating enzyme E2 H; UBE2K: ubiquitin conjugating enzyme E2 K; UBE2N: ubiquitin conjugating enzyme E2 N; UC: ulcerative colitis; ULK1:unc-51 like autophagy activating kinase 1; WT: wild type.
        2. Receptor control by membrane-tethered ubiquitin ligases in development and tissue homeostasis
        Andres M Lebensohn, J Fernando Bazan, Rajat Rohatgi Curr Top Dev Biol. 2022;150:25-89.doi: 10.1016/bs.ctdb.2022.03.003.Epub 2022 Jun 11.
        Paracrine cell-cell communication is central to all developmental processes, ranging from cell diversification to patterning and morphogenesis. Precise calibration of signaling strength is essential for the fidelity of tissue formation during embryogenesis and tissue maintenance in adults. Membrane-tethered ubiquitin ligases can control the sensitivity of target cells to secreted ligands by regulating the abundance of signaling receptors at the cell surface. We discuss two examples of this emerging concept in signaling: (1) the transmembrane ubiquitin ligases ZNRF3 and RNF43 that regulate WNT and bone morphogenetic protein receptor abundance in response to R-spondin ligands and (2) the membrane-recruited ubiquitin ligase MGRN1 that controls Hedgehog and melanocortin receptor abundance. We focus on the mechanistic logic of these systems, illustrated by structural and protein interaction models enabled by AlphaFold. We suggest that membrane-tethered ubiquitin ligases play a widespread role in remodeling the cell surface proteome to control responses to extracellular ligands in diverse biological processes.
        3. CRT-1/calreticulin and the E3 ligase EEL-1/HUWE1 control hemidesmosome maturation in C. elegans development
        Hala Zahreddine, Huimin Zhang, Marie Diogon, Yasuko Nagamatsu, Michel Labouesse Curr Biol. 2010 Feb 23;20(4):322-7.doi: 10.1016/j.cub.2009.12.061.Epub 2010 Feb 11.
        Hemidesmosomes connect the extracellular matrix (ECM) to intermediate filaments through ECM receptors and plakins (plectin and BPAG1e). They affect tissue integrity, wound healing, and carcinoma invasion. Although biochemical and time-lapse studies indicate that alpha6beta4-integrin (ECM receptor) and plectin play a central role in modulating hemidesmosome disassembly, the mechanisms controlling hemidesmosome biogenesis in vivo remain poorly understood. The nematode C. elegans provides a powerful genetic model to address this issue. We performed a genome-wide RNA interference screen in C. elegans, searching for genes that decrease the viability of a weak VAB-10A/plakin mutant. We identified 14 genes that have human homologs with predicted roles in different cellular processes. We further characterized two genes encoding the chaperone CRT-1/calreticulin and the HECT domain E3 ubiquitin ligase EEL-1/HUWE1. CRT-1 controls by as little as 2-fold the abundance of UNC-52/perlecan, an essential hemidesmosome ECM ligand. Likewise, EEL-1 fine tunes by 2-fold the abundance of myotactin, the putative hemidesmosome ECM receptor. CRT-1 and EEL-1 activities, and by extension other genes identified in our screen, are essential during embryonic development to enable hemidesmosomes exposed to mechanical tension to mature into a tension-resistant form. Our findings should help understand how hemidesmosome dynamics are regulated in vertebrate systems.
Bio Calculators
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Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2

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Tip: Chemical formula is case sensitive. C22H30N4O c22h30n40
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