This is a knockout-validated antibody summary, based on the publication "Independent Mechanisms Target SMCHD1 to Trimethylated Histone H3 Lysine 9-Modified Chromatin and the Inactive X Chromosome", as cited below [1]. Labome curates formal publications to compile a list of antibodies with unambiguous specificity within Validated Antibody Database (VAD).

Mouse monoclonal IgG
Company: EMD Millipore
Antibody: Heterochromatin Protein-1 gamma
Catalog number: MAB3450. The product (MAB3450) appears no longer available from EMD Millipore. The same clone (2MOD-1G6) is available from ThermoFisher Invitrogen as MA3-054 or Active Motif 39981.
Summary: Mouse monoclonal IgG1 against recombinant mouse HP1-gamma. Reacts with human, mouse and rat. Suitable for western blot, immunohistochemistry, immunocytochemistry/immunofluorescence and ELISA.
Western blot
WT and HP1γ-null ES23+ cells.
5% milk in Tris-buffered saline (TBS) plus 0.1% Tween 20 (TBST).
Diluted in 2.5% milk in TBST.
Diluted in 2.5% milk in TBST.
The same clone (2MOD-1G6) is sold as Active Motif 39981; Invitrogen MA3-054.