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4 protocols using rabbit anti usp7

1

Detailed Western Blot Protocol with Antibody List

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Western blots were performed as described previously82 (link),169 (link). The following antibodies were used:
Rabbit anti-UHRF1 (polyclonal; 1:250; Cell Signalling, D6G8E), mouse anti-alpha-Tubulin (monoclonal; 1:500; Sigma, T9026), rabbit anti-H3 (polyclonal; 1:1000; Abcam, ab1791), mouse anti-GFP (monoclonal; 1:1000; Roche), mouse anti-FLAG M2 (monoclonal; 1:1000; Sigma, F3165), rabbit anti-xDNMT1 (polyclonal;82 (link)), rabbit anti-xUHRF1 (polyclonal;82 (link)), rabbit anti-USP7 (polyclonal; Bethyl Lab., A300-033A), rabbit anti-H3 (polyclonal; Abcam, ab1791), rat anti-TET1 (monoclonal; 1:10;176 (link)), rat anti-alpha-Tubulin (monoclonal; 1:250; Abcam, ab6160). goat anti-rat HRP (polyclonal; 1:1000; Jackson ImmunoResearch), goat anti-rabbit HRP (polyclonal; 1:1000; BioRad), mouse anti-xCDC45 (monoclonal;177 ), mouse anti-xRPA2 (monoclonal;178 (link)), and mouse anti-PCNA (monoclonal; Santa Cruz, sc56). Uncropped and unprocessed scans of blots can be found in the Source Data file.
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2

Antibody-based Western Blotting and Immunoprecipitation

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The following antibodies were used for Western blotting or immunoprecipitation: anti-SF3B1 (Bethyl Laboratories, A300-996A-T, MBL International, D221-3), rabbit anti-cleaved Notch1 (Cell Signaling Technology, 4147S), rabbit anti–β-actin (Cell Signaling Technology, 4967S), rabbit anti-USP7 (Bethyl Laboratories, A300-033A), rabbit anti-GAPDH (glyceraldehyde-3-phosphate dehydrogenase) (Cell Signaling Technology, 2118S), rabbit anti-CHEK2 (Bethyl Laboratories, A300-618A), mouse immunoglobulin G2b (IgG2b) (MBL International, M077-3), P5091 (Selleck Chemicals, S7132), PR619 (Sigma-Aldrich, SML0430), b-AP15 (Selleck Chemicals, S4920), ML323 (Sigma-Aldrich, SML1177), BML277 (MedChem Express, HY-13946), BML277 (Sigma-Aldrich, C3742, in vivo), SCH900776 (MedChem Express, HY-15532), camptothecin (Selleck Chemicals, S1288), flavopiridol (Sigma-Aldrich, F3055), topotecan (Sigma-Aldrich, T2705), etoposide (Sigma-Aldrich, E1383), mitoxantrone (European pharmacopoeia reference standard, M2305000), doxorubicin (Sigma-Aldrich, 44583), and E7107 and H3B-8800 (H3 Biomedicine).
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3

Western Blot Analysis of Ubiquitin Regulators

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A total of 10–50 μg protein was extracted from cells and used for Western blot analysis. Briefly, the cells were lysed using protein lysis buffer (50 mM Tris–Cl, 150 mM NaCl, 1% Triton X-100, 1 mM EDTA, 200 mM Na3VO4, 1x proteinase inhibitor, pH 7.4) and the protein concentration was measured using a Micro BCATM Protein Assay kit (Thermo Scientific), based on the standard curve of BSA. The antibodies used for immunoblot analysis were purchased and assessed for equal loading as follows: rabbit anti-USP7 (#A300-034, dilution ratio 1:1000) and rabbit anti-USP47 (#A301-048A, 1:1000) from Bethyl Laboratories; mouse anti-Flag (#F1804, 1:1000) from Sigma Aldrich; rabbit anti-ubiquitin (#3933, 1:2000) from Cell Signaling; mouse anti-p53 (#sc-126, 1:1000), and mouse anti-HSP90α/β (#sc-13119, 1:5000) from Santa Cruz Biotechnology; rabbit anti-β-actin (#LF-PA0207, 1:5000) from AbFrontier. Samples were analyzed using SDS-PAGE, and chemiluminescence was measured using the Ez-Capture MG imaging system (ATTO Corporation).
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4

Western Blot Protein Detection Protocol

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Cells were lysed in 9 M urea, 10 mM Tris-HCl pH 6.8, sonicated and clarified by centrifugation. 80 µg of protein was subjected to SDS-PAGE and transferred to nitrocellulose. Membranes were blocked in 5% non-fat dry milk in TBS-T (TBS with 0.1% Tween), then incubated with primary antibodies: mouse FLAG M2 (F1804 from Sigma; 1:5000 dilution), rabbit anti-FLAG (PA1-984B from Invitrogen; 1:5000 dilution), rabbit anti-HA (Santa Cruz 805; 1:200 dilution), rabbit anti-myc (Santa Cruz 789; 1:5000 dilution), rabbit anti-USP7 (Bethyl laboratories A300-033A; 1:10000 dilution), mouse anti-KIF20B (Santa Cruz 515194; 1:200 dilution), rabbit anti-FBXO38 (Bethyl laboratories A302-378A; 1:5000 dilution), rabbit anti-SKP1 (Santa Cruz 7163; 1:200 dilution), goat anti-actin (Santa Cruz 1615; 1:1000 dilution). Membranes were washed three times in TBS-T, followed by incubation with goat anti-mouse HRP (Santa Cruz 2005), goat anti-rabbit HRP (Sigma SAB3700878) or donkey anti-goat HRP (Sigma SAB3700285) at 1:5000 dilution. Membranes were developed using chemiluminescence reagents (ECL or ECL-prime; Santa Cruz or Amersham). Protein bands were quantified using ImageQuantTL (GE Healthcare Sciences) and normalized to actin bands.
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