EMBO/sd-character-level-ner huggingface dataset:
Hela-hACE2 cells and untransfected HeLa cells are infected with the pseudotyped SARS-CoV-2, GX/P2V/2017 and GD/1/2019, respectively. Green fluorescence indicates Hela-hACE2 cells infected with pseudovirus. Untransfected HeLa cell is used as negative control. The scale bar indicates 400 μm. Statistic for the infectivity of the three pseudoviruses. Data represent the results of five replicates. All data are presented as mean ± SD. ***p < 0.001 (Student's t-test). ns, no significant differences.
C-EH3K9me2 levels on heterochromatin‐adjacent genes assessed by ChIP-PCR in swi6+, swi6∆, and swi6‐L315E (CSD dimerization mutant) (C), swi6‐W104A (H3K9me2 binding mutant) (D), and epe1∆ (E) cells. Enrichments over clr4∆ are normalized to adh1+. Average fold enrichment with s.d. is shown for three (C and E) or four (D) independent experiments. P‐values were generated by the Student's t‐test (two‐tailed distribution, two‐sample, unequal variance).
The indicated RFP-expressing MDA-MB-231 derivatives were injected either intravenously (1.5 × 105 per mouse; tail vein), or into the mammary fat pad (2.5 × 106 cells per mouse) of SCID mice. Four weeks later, lungs from the tail vein-injected mice were photographed and examined for RFP signals corresponding to relatively large nodules, which were quantified. Photographs and numbers of the relatively small metastases, as well as tumor size from mice injected into the fat pad, were obtained 8 weeks post-implantation (right panels).
E. MC38 Ctrl or Ifn-DKO cells were treated with (left panel) control or the STING-agonist DMXAA for 4 hours, or (right panel) control or 5-FU for 16 hours. Ifnβ levels were determined in harvested culture media by ELISA. N=2.
MS2‐loop‐containing forward aluRNA or aluRNAL or aluRNAR were recruited to the single stably integrated lacO array in the U2OS F4IIB8 cell line. The propensity for nucleolar localization was evaluated as the average number of lacO arrays with tethered RNA detected in nucleoli (± 95% CI) and is plotted in the bar chart. Calculations are based on analysis of more than 100 cells. **P‐value 0.01, t‐test, from the analysis of two independent biological replicates. As controls, transcripts of the MS2 loops only, the MS2‐CDV3, MS2‐RepA, MS2‐STARD7 and MS2‐CORO1C RNAs were used. The inset shows a CLSM image with MS2‐GFP‐LacI (green) and NPM (red, immunofluorescence) after recruitment of MS2‐aluRNA.
E Genotyping of Usp26-/Y mice offspring. The upper subpanel indicates the genotyping of Usp26-/Y mice male offspring by using Usp26 and Sry primers. The lower subpanel indicates the genotyping of Usp26-/Y, Usp26+/Y male mice and Usp26+/-, Usp26+/+ female mice by using Usp26 and Sry primers.
Analysis of STAT3 phosphorylation by MSC2 cells after 18 hours' co-culture with BJcl2 overexpressing or compromised for TRF2 (A).
E. Organoid growth efficiency and size in presence of ISEMFs with or without Noggin (Nog). n=4. Data from Wild-type organoids/Wild-type ISEMFs/Nog (+) was set at 1.
RNA-seq was conducted on freshly isolated X1 cells from exoc3(RNAi)-treated compared to X1 cells from gfp(RNAi)-treated planarians on day-38 of the injection protocol. The histograms depict the overlap (blue) of DEGs in X1 cells of Smed-exoc3-depleted planarians versus controls (n=3 biological replicates; adjusted P< 0.05) with genes expressed in the indicated sample sets of (F) differentiating progenitor cells of epidermal lineage from the indicated publications while the sum of overlapping (blue) and set-exclusive (grey) genes represents the total number of genes of a cluster that were analyzed in this study.
(c) Flow cytometric analysis of the viability and division of CD4+ T cells labeled with CFSE and activated as described in a with T cell-depleted Ifng−/− APC samples in the presence or absence of IFN-γ (5 U/ml). Numbers in plots indicate percent CFSE+CD4+ T cell populations.
D) Immunohistochemistry analyses in AhCre Eed+/+ and AhCre Eedfl/fl mice injected with β-naphthoflavone and sacrificed after 15 days using a lysozyme-specific antibody (upper panels: LYZ, a Paneth cell-specific marker). Histochemical assay probing for alkaline phosphatase activity is presented in the middle panels (ALPI, an enterocyte-specific marker). Combined Ki67 immunohistochemistry and histochemical Alcian blue staining is presented in the lower panels (Alcian/KI67).
Representative confocal micrographs of wild-type (WT) Eph4 cells treated with 100 μM Y27632 for 30 min. Artificial reductions in di-phosphorylated myosin light chain (ppMLC) levels with Y27632 inhibited LUZP1 junctional localization. Scale bar, 10 μm.
(B) Anti-FLAG immunoblot of DMSO and SRPIN340 pre-treated HEK293T cells expressing AUG-nLuc-3xFLAG control or CGG-nLuc-3xFLAG RAN translation reporters. β-Actin is used as a loading control. To prevent signal saturation, AUG-nLuc lysate was diluted 1:3 in sample buffer prior to loading (n=3 biological replicates). Schematics of the AUG-nLUC-3xFLAG and +1CGG(100)-nLuc-3xFLAG reporters presented on top. Data information: Error bars represent mean +/- SD. Statistical analysis was performed using two-tailed Student's t test with Welch's correction. ∗p < 0.05; ∗∗p < 0.01, ∗∗∗p < 0.001 and ∗∗∗∗p < 0.0001. To prevent over-exposure, the AUG-nLuc lysate was diluted 1:3 in sample buffer.
J-K Knockout of Sirt5 increased Mavs succinylation in mouse livers (J) and lungs (K). Proteins extracted from livers (J) and lungs (K) of Sirt5 KO and the wildtype littermates (n = 3 per group) were detected by the indicated antibodies. MAVS succinylation was determined by anti-succ-K7-MAVS antibody, and anti-pan-succinyl-lysine antibody was used as positive controls.
(A) Change in body weight (CTRL vs. BAM15: P<0.0001, CTRL vs. CR: P<0.0001), (B) fat mass (CTRL vs. BAM15: P=0.0005, CTRL vs. CR: P=0.0041, BAM15 vs. CR: P=0.043), and (C) lean mass (CTRL vs. BAM15: P=0.0014, CTRL vs. CR: P<0.0001, BAM15 vs. CR: P=0.0047) from baseline to 2-weeks in CTRL, BAM15, and CR treated animals
F PPAR-α and RIP140coimmunoprecipitate in WT but not FADD knockout or FADD-D MEFs. PPAR-α was immunoprecipitated (IP) from the cell lysates of WT or FADD knockout MEFs. Data shown are representative of three independent experiments having similar results.
D. Transcriptional activities of ZBD mutated σ28-RNAP on fliCp. RNA products indicated by solid triangles were quantified.
(G,H) The ERK1/2 inhibitors AZD6244 and Tamnitinib dose-dependently reduce B16F10 cell proliferation (G); representative experiment of 3 independent experiments; the results reflect the means of 5 replicate/condition; error bars: ± S.D.; and levels of endogenous p-STAT3 and p-ERK in B16F10 cells (representative of 3 blots) (H).
(E) HTM-mediated analysis of γH2AX levels per nucleus in U2OS cells exposed to 3Gy of IR in the presence or absence of 10 μM (PR)20 for the indicated times. Note the accumulation of cells with persistent DNA damage (γH2AX) 10 h after IR in the presence of the DPR. Representative images from these analyses are provided (right). Black lines indicate median values. Scale bar (white) indicates 5 μm.
B) Detailed confocal imaging of immuno-labelled endogenous Ptc localization after clonal Tsg101 down-regulation. The image shows abnormal accumulation of Ptc clusters in basal cytonemes emanating from receiving cells (arrows), since in wild type conditions Ptc visualization at basal membranes is not possible due to its rapid internalization and processing after Hh reception
F, Quantification of the relative abundance (mean+/- s.e.m.) of distinct dsRNA foci in each cell type . 3D images were projected on a single plane, non-overlapping foci were counted from 100 cells of each type, and the numbers in three abundance bins (<1, 1-5, >5) are shown.
(C) Co-IPs from HEK293 cells transfected with tagged NMDA or AMPA receptor subunits and PRR7 (myc-tagged GluN2B and GluA2 and flag-tagged PRR7).
The ERMIT assay relies on the signaling properties of IRE1, one of the three ER stress sensors and reports for a dimerization event occurring in the lumen of the ER. The assay can be applied to heterodimerization or homodimerization events. E) Principles of the ERMIT assay. A wild type IRE1 bait is used to report for dimerization, whereas a kinase catalytic mutant (K599A) is used as a control to prove that signal observed with the wild type form is due to IRE1 activation.
A. Grand averages of auditory brainstem responses (ABR) from Wrbfl/fl:CreA (red traces; SEM pink) and Wrb+/+:CreA (black traces; SEM grey) mice. ABRs were recorded for three separate age groups (A-A'', as indicated in the graph) using click stimulation at 80 dB (peak equivalent) and 20 Hz stimulation rate. There was an age- progressive reduction of ABR amplitude in Wrbfl/fl:CreA mice.
(E, F) Confocal z-projections of adult dpr12Δ50-81 homozygous mutant brains, in which DIP-δ-Gal4 drives expression of either UAS-mtdT (E) or UAS-DIP-α-T2A-tdT (F; expected to induce expression of DIP-α as well as tdT encoded by a polycistronic message). In orange are longitudinal sections across the γ-lobe at the indicated location. The γ-lobe is outlined in white, as determined by FasII staining (grey in E'-F'). Cyan is tdT within DIP-δ+ cells. Grey boxes below the images describe the relevant components within PAM-DANs and γ-KCs.
L,M, TOPflash reporter assays in HEK293T cells stimulated with either control, Wnt3a, Wnt3a and RSPO1-4 conditioned media, or by transfection with the indicated constructs. HEK293T, Parental HEK293T and USP42-/- HEK293T cells were transfected with wt USP42, the catalytically inactive mutant USP42C120A, ZNRF3 or ZNRF3/RNF43.
(B) Schematic representation of the Dsc ubiquitin ligase complex (a top hit from the SGA screen) and the SPOTS complex (a putative Dsc substrate). SPT, serine-palmitoyltransferase; LCB, long chain bases.
(I) Mean ± SEM MTT absorbance reflecting cell viability in primary neurons from wt mice treated with conditioned media from ASMko and wt BMDMs in the presence or absence of the CathB inhibitor Ca074 (n = 4 independent cultures Two-way Anova, Bonferroni post hoc).
C. Sequence analysis of humanFoxM1 identified three putative GSK3β target sites at S228, T309, and S474.
For each patient in the virtual patient cohort a stimulation with 608 pM Roferon was simulated and the relative antiviral response (ΔAUC(24 - 28 h) of OccGASbs+OccISREbs compared to untreated) was calculated. The relative antiviral response was plotted against the cellular abundance of STAT2. Spearman's rank order correlation coefficient (r) and p-value (p) are indicated.   For each patient in the virtual patient cohort, a stimulation with 608 pM Roferon was simulated and the absolute antiviral response (ΔAUC(24 - 28 h) of OccGASbs+OccISREbs) was calculated. The absolute antiviral response was plotted against the cellular abundance of STAT2. Spearman's rank order correlation coefficient (r) and p-value (p) are indicated.
A Mitochondrion in WT Hela cells expressing ATP5I-PAGFP was photoactivated, in the area shown by a blue box, at 0 s. Inset of white box at 0.98 s clearly shows fluorescent crista (red arrow), absent at 0.38 s, 0.59 s & 0.78 s (red arrowhead showing the area enclosed by white dotted lines), confirming merging of non-fluorescent cristae vesicle with the IBM. Threshold images of insets are shown above the whole images. Scale bar 500 nm.
, F Comparative UBE2QL1 proximity mapping before and after lysosome damage using SILAC mass spectrometry. HeLa cells expressing a UBE2QL1-APEX2 fusion were EtOH (light-labelled, L)- or LLOMe (heavy-labelled, H)-treated and pulsed with biotin phenol (30 min) and H2O2 (1 min). (F) Results from the four experiments are summarized in a volcano plot. Horizontal dotted line represents the significance threshold (p > 0.05). The vertical lines indicate the fold change cutoff (log2 (H/L) ≥ 1.5). Red dots indicate proteins above the significance and fold-change thresholds. Protein names are color-coded in blue (endosome/lysosome-associated), green (endolysosomal damage/autophagy-associated) and orange (VCP/p97 and its cofactors).
(f) The impact on acetate production for a double mutant where poxB is complemented on a BAC (Methods). Note that complementation causes a ~3-fold reduction in acetate compared to WT in part d. N-ter and E170 refer to the location of the SuMMV tag. (g) Reduction of acetate production by the expression of SuMMV from an DAPG-inducible promoter (- no inducer, + 25 µM). The PoxB variant with the degron inserted at position E170 is either carried on a BAC or at its native location in the genome
(a) Representation of a zebrafishembryo at 70 % epiboly. Animal (A) and vegetal (V) poles and φ (embryo surface - red) and φ (internal to external axis - green) are indicated. The enveloping layer (EVL) is a single-cell layer (dark grey) that stands at the animal cap surface surrounding the inner deep cells (DCs) (blue). It is attached to the yolk cell membrane (purple). The YSL and Yolk Cytoplasmic Layer (YCL) (yellow) at the periphery and yolk granules fill the yolk cell. Progression of epiboly is represented by a curved black arrow. Geometrical axes are shown in grey.
B) Tumour growth curves for successive four-generation xenografts treated with 5-Fu or PBS. Twelve mice per group.
E Immunofluorescence microscopy analysis of phosphotyrosine epitopes in cells expressing GFP‐CrkII SH2, GFP‐CrkL SH2, RFP‐KSHV‐TK or a combination of CrkII/LSH2 and RFP‐KSHV‐TK. Arrowheads represent contracted KSHV‐TK‐expressing cells. The SH2 domains of CrkII or L block KSHV‐TK‐induced cell rounding. Scale bars, 20 μm.
a. Residues associated with the binding of the UBA domain to the UBC domain were analyzed through sequence alignment of Ubc1 with other E2 enzymes from S. cerevisiae. Y76 and W144 in Ubc1 were predicted to be hot spot residues of the interface, while L143 and L147 were classified as contributing amino acids
Cells were treated with control (CTRL) or NDP52 siRNA, infected for 15 and 24 h and treated with puromycin. Whole‐cell lysates of siRNA‐treated cells were immunoblotted for NDP52, capsid or actin. Puromycin incorporation into newly synthesized protein was revealed using antibodies to puromycin (G).
a, GFP-MAP1LC3B foci after RNAi and/or rapamycin treatment in U2OS cells. Scale bar, 20 µm.
Representative images of BNIP3 immunostaining in a benign nevus (n=5), primary melanoma and their paired metastasis (n=7). In the representative pictures, nevi or tumor tissue is circled in yellow and highlighted with a yellow asterisk (*). Histopathological scoring of BNIP3 protein levels in nevi and melanoma patients with paired primary and metastases harboring weak and in gradient (+/-), weak and homogeneous (+) or strong and homogeneous (++) BNIP3 protein levels based on histopathological staining intensity and distribution scoring. Scale bars represent 150µm.
(D) Min6 GK or KD cells infected with a lentivirus expressing a cDNA of full-length Ndufs3 or p22phox were selected and tested for the level of Pdia4 and Ndufs3 (1st column), mitochondrial ROS (2nd column, MitoSOX), Pdia4 and p22phox (3rd column), and cytosolic ROS (4th column, CellROX). The cells were grown in the presence of 0.5 mM (LG) and 25 mM (HG) glucose. Data information: Data from 3 experiments are presented as the mean ± SD. One-way ANOVA test was used for statistical analysis of differences between groups, and P (*) < 0.05; P (**) < 0.01 and P (***) < 0.001 are considered statistically significant.
(F) XBP1-/- MEFs were transfected with empty vector or sXBP1 plasmid for 24 hours, followed by PA (500 µM) treatment for 9 hours. RNA lysates were analyzed for miR-2137 expression by qRT-PCR (n=3 biological replicates).
Posterior midgut showing expression of the E3N svb enhancer (GFP, green) in ISC/EBs, as shown by co-staining with esg-lacZ (β-Gal, red).
(F) Hyperphosphorylated forms of SMO do not interact with Smaug. Left panel: Extracts of Cl8 cells expressing SMOWT-HA with or without Myc-SmaugWT, in the absence or presence of HH were IP with an αMyc antibody before analysis by western blot with αHA (upper panel) or αMyc antibodies (lower panel). Right panel: Cl8 cells expressing SNAP-SMOWT with Myc-SmaugWT in the presence of HH were extracellularly labelled with a membrane-nonpermeable fluorescent SNAP substrate before cell lysis and immunoprecipitation (IP) with anti-Myc. Labelled SNAP-SMO was directly visualized after electrophoresis. Note its presence in the IP fraction with a relative enrichment of the less phosphorylated forms compared to the hyperphosphorylated forms. See also Fig EV1G-J.
G. Pharmacologic TBK1 inhibition reduces EGF-induced mTORC1 signaling: HEK293 cells were serum starved (20 hr.), pre-treated with Ku-0063794 [1 μM] (30 min) or amlexanox [50 μM] (2 hr.), and stimulated -/+EGF [25 ng/mL] (30 min) or insulin (INS) [100 nM] (30 min).
(a) Inhibition of ROCK1 activity ablates the interaction between Beclin1 and ROCK1. HeLa cells were untreated (H2O) or treated with 10 μM ROCK1 inhibitor, Y27632, for 8 h and then cultured in control media (+) or HBSS (−) for 4 h. Cells were collected, lysed and immunoprecipitated with Beclin1 (left panel) or ROCK1 (right panel) antibody. Left panel: immune complexes were divided into two (ROCK1-MOPS buffer and Beclin1-MES buffer) and probed for ROCK1 and Beclin1. Relative values of ROCK1 versus Beclin1 are shown.
Immunofluorescence analysis of the dsRNA in MCF7 cells after knock-down of HNRNPC, with 4′,6-diamidino-2-phenylindole (DAPI) staining (blue) and anti-dsRNA antibody J2 (green). Cells transfected with poly I:C was included as a positive control of dsRNA, and the cells treated with RNase III was used as a negative control. siNC: non-targeting siRNA as a negative control, siHN-1: siRNA sequence 1 for HNRNPC, siHN-2: siRNA sequence 2 for HNRNPC. The size of scale bar is 10um.
physical activity of 10-12 week old WT and KO mice on normal chow were measured using the CLAM metabolic cage system (males, n=6). Bar graphs show the average value of metabolic measurements made within the 60 minutes flanking 6AM or 6PM. Data information: values shown are average ±SD. *** = p < 0.001 (two-way ANOVA with multiple comparisons).
Using CRISPR/Cas9, MyD88 knock-out (KO) and AAVS1KO (control) pDCs were generated. cellular DNA was sequenced to perform an Inference of CRISPR Edits (ICE) analysis
A. Gene profiling of CM and NC at D0-D6 as shown clustered into 8 categories. Red indicates up-regulated genes while green indicates down-regulated genes (n=3, n=2 for NC-D6).
N2a cells treated with siBin1, siCD2AP or siControl.(A) Scheme illustrating APP endocytosis trafficking assayed in N2a cells transiently expressing APP-RFP using a pulse/chase assay with anti-N-terminal APP (22C11). A 10 min pulse to assay APP endocytosis (b) followed by a 60 min chase to assay the degradation of endocytosed APP (d).
EM micrographs of double immuno-gold labeling using antibodies against immunoproteasome subunit LMP2 and the endolysosomal membrane marker LAMP1 in BMDC, WT MEF and LMP2 KO MEF. Large gold particles (15 nm, black arrow head) labels LMP2 and small gold particles labels LAMP1 (5 nm, white arrow head) (Scale bars = 500nm). The insets are the magnification of region of interest containing LAMP1 positive vacuole (Scale bars = 100nm), marked by the black rectangle.
Quantitative expression of Lif mRNA in the colon of SPF mice treated with or without antibiotics (Abx) at the indicated time points during colitis induction (n=3 per group).
C Translocase activity of Irc5 is important for completion of DNA replication after MMS treatment. PFGE was performed as in Fig 2B using wild type (EMD09) and irc5DAEA (EMD10) strains
(A) Diagram showing the cell-free system to generate small vesicles for LC3 lipidation. Briefly, a medium-speed membrane pellet (20K ×g, 20KP) from Atg5 KO MEFs was harvested and incubated with cytosol from Atg5 KO MEFs, GTP and an ATP regeneration system (ATPR), and in the absence or presence of PI3K inhibitors (Figure 2B) or the PI3P blocker FYVE domain protein (Figure 2-figure supplement 1). The slowly-sedimenting membranes generated were separated from the donor membrane by a medium speed centrifugation (20K ×g) and collected by high-speed sedimentation (100K ×g) of the supernatant fraction (20KS). A lipidation assay with HEK293T cytosol was performed to analyze the competency of the small membranes (100KP) to induce LC3 lipidation.
(H-K) Growth (H, J) and survival (I, K) curves of Nlrp3NeoR-A350V/WT and Nlrp3Mac-A350V/WT littermates injected subcutaneously with PBS or Anakinra (H-I) or with anti-IL-18 or isotype antibodies (J-K). Injection days are indicated with arrows. Data information: Statistics in (H, J) were analyzed by student t-test, error bars represent means ± SD of indicated numbers of biological replicates. Statistics in (I, K) were analyzed by log-rank Mantel-Cox test. ns not significant; * p<0.05; ** p<0.01.
Anti-FLAG antibody halfmers bound to FLAG-epitope containing Hsf1 variants. Hsf1wt and FLAG-insertion variants were analyzed by blue-native gel electrophoresis in the absence or presence of DTT-treated anti-FLAG antibodies as indicated and Hsf1 detected by immunoblotting; t-bound, FLAG antibody-bound Hsf1 trimers; m-bound, FLAG antibody bound Hsf1 monomer.
(f) Basal reactive oxygen (ROS) levels increased upon loss of YAP/TAZ. HLE-shLuc and HLE-shY/T cell lines were stained with CellROX™ Green Flow Cytometry Assay Kit, and ROS levels were measured by flow cytometry using a 488 nm laser. Results represent three independent experiments.
(d) Representative western blots showing GCase, GBA2, β-galactosidase and HEXA and HEXB protein levels in control iPSCs and corresponding iPSC-derived neurons (DIV65).
(A) Staining for Pax6 and p-Vim in E15 WT and hFOXM1-cKI mice. The right A and B are high-magnification images. Arrows indicate double positive of Pax6+ p-Vim+ cells with cells with a basal process (arrowheads). Scale bars, 50μm (left); 5μm (right). (B) Graph shows the percentage of Pax6+ cells in enlarged SVZ (n = 6 each group; two-tailed unpaired t-test, P=0.0002). (C) Graph shows the number of Pax6+ p-Vim+ cells in 4x10^4 μm2 in enlarged SVZ (n = 6 each group; two-tailed unpaired t-test, P=0.0003). (D
(a) Immunoblot for LC3 in MOBs from WT or Cx43-null mice (Cx43−/−) treated with vehicle or with 18α glycyrrhetinic acid (18α GA). Glyceraldehyde-3-dehydrogenae (GPD) is shown as the loading control. Levels of LC3-II (left) and LC3-II flux (right; n = 3 independent experiments).
(c) Residue accessibility quantification. Relative accessibility (relative band intensity) was quantified based on three independent experiments. The intensity of every band in each lane was normalized against the C46 band (the least changed band; compare lanes 2-5 in (b)) in its respective lane [(intensity of a band) / (intensity of C46 in the same lane)]. Each C46-normailzed band in lanes 3-5 (refer to (b)) was then further normalized against its respective counterpart in lane 2 [(the value of a C46-normalized band in lanes 3-5) / (the value of its counterpart in lane 2)]. The error bars represent the standard deviations of the measurements.
(J) Proportion of IL-10+ IFN- TNF- among cytokine+ T cells, in response to MutuDC loaded with the indicated antigen (mean +/- SEM). GAPDH.1, P = 0.32 ; EF1a, 0.16 ; ETRAMP, P = 8.5x10-5 ; OVA, P = 0.11 ; pRBC, P = 0.0015 by multiple unpaired t-tests without assuming consistent SD. H,I,J: N = 3 mice per group.
(K) Distribution of death times in L929 RelA-knockout (RelA KO) cells treated with TNF (representative data of three independent experiments).
Protein degradation in indicated yeast strains monitored by CHX decay assays for the Doa10 model substrates Deg1-eGFP2 Values for each time point are reported as means ± standard deviation n = 3 for Deg1-eGFP2
C. Transiently expressed FLAG-GID4 and HSS-tagged ARMC8 isoforms (α or β) in HEK293T cells. The presence of GID4 in isoform-specific ARMC8 immunoprecipitates was visualized by immunoblotting (left panels). The right panel shows a western blot of transiently expressed and immunoprecipitated HSS-WDR26 from HEK-293T cells and the presence of endogenous ARMC8 isoforms (α or β) was probed by immunoblotting (n=2).