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4 protocols using ab17677

1

Antibody Immunostaining Protocol

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The following primary rabbit antibodies were purchased from Abcam: anti-H1.2, ab17677; H1.5, ab18208; HMGB2, ab124670; Ki67, ab15580; H3S10p, ab5176; CTCF, ab128873; SMC2, ab10412; RAD21, ab154769; H1x, ab31972. From Cell Signaling: anti-HMGN1, #5692; HMGN2, #9437. From Sigma-Aldrich: anti-H1.4, H7665. From Millipore: anti-H2A, #07-146. The following mouse antibodies were purchased from Abcam: anti-H3, ab24834; H4, ab31830; H2B, ab52584. From Active Motif: anti-H3, #61475. mAb PL2-6 was a gift from M. Monestier (Temple Univ.), see previous use [26,27]. Secondary antibodies included Invitrogen Alexa 568 goat anti-rabbit IgG, Sigma-Aldrich Atto 488 goat anti-rabbit IgG and Atto 488 goat anti-mouse IgG.
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2

Cytoplasmic Protein Isolation and Immunoprecipitation

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Cytoplasmic fractions were isolated using NE-PER Nuclear and Cytoplasmic Extraction Reagents as described above, then incubated overnight with Dynabeads® (Invitrogen) coated with rabbit IgG, antibodies to αS (NACP98, Mayo Clinic [7 (link)]), H1.2 (ab17677, Abcam), H3 (ab1791, Abcam), following the manufacturer’s instruction. Proteins bound to the beads were released by boiling in sample loading buffer and probed with antibodies of interest by western blotting.
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3

Antibody-based Protein Expression Analysis

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The antibodies against ILK (sc-13075), Bcl-2 (sc-492), Bax (sc-493), beta-actin (sc-1616), GAPDH (sc-25778), NF-κB p65 (sc-372), IKB alpha (IKBa; sc-371), and IKBa (ser32; sc-7977) were purchased from Santa Cruz Biotechnology Inc., CA, USA. The antibodies against Histone 1.2 (ab17677) and NF-κB p65 (phospho-S536; ab86299) were purchased from Abcam (Shanghai, China). Kits for measuring caspase-3 (C1116) and caspase-9 (C1158) activities and a lactate dehydrogenase (LDH) assay kit (C0017) were obtained from Beyotime Institute of Biotechnology (Haimen, China). All other reagents were obtained from common commercial sources.
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4

Stability Assessment of H1.2 KxUb Conjugates

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To determine the stability of the H1.2 KxUb conjugates in human cell lysates, 4.7 µM H1.2 or H1.2 KxUb were incubated in HEK 293T cell lysates (5 mg/ml). Samples were incubated at 4 °C, 25 °C, or 37 °C for up to 24 h and finally analyzed by western blot with anti-H1.2 (Abcam ab17677) in dilution 1:1000 and anti-Ub (BioLegend P4G7), dilution 1:1000, antibodies. For unprocessed scans see also the Source Data file.
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