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Western blot analysis was performed on whole cell extracts (30 ug lysate) of NTERA-2 (Lane 1), HeLa (lane 2), HEK-293 (Lane 3), K-562 (Lane 4) and A549 (Lane 5). The blots were probed with Anti- CBX-5 Recombinant Mouse monoclonal Antibody (Product# 730046, 2ug/mL) and detected by chemiluminescence Biotin conjugated streptavidin Poly HRP (Product # 21140, 1:10000 dilution). A 22kDa band corresponding to CBX-5 was observed across cell lines tested. Known quantity of protein samples were electrophoresed using Novex® NuPAGE® 12 % Bis-Tris gel (Product # NP0341BOX), XCell SureLock™ Electrophoresis System (Product # EI0002) and Novex® Sharp Pre-Stained Protein Standard (Product # LC5800). Resolved proteins were then transferred onto a nitrocellulose membrane with iBlot® 2 Dry Blotting System (Product # IB21001). The membrane was probed with the relevant primary and secondary Antibody following blocking with 5 % skimmed milk. Chemiluminescent detection was performed using Novex® ECL Chemiluminescent Substrate Reagent Kit (Product # WP20005).
|Tested species reactivity||Human|
|Published species reactivity||Human|
|Host / Isotype||Mouse / IgG1|
|Immunogen||18-75 of 191 of CBX5 Protein.|
|Contains||0.09% sodium azide|
|Storage Conditions||Maintain refrigerated at 2-8°C for up to 1 month. For long term storage store at -20°C|
|Tested Applications||Dilution *|
|Immunoprecipitation (IP)||Assay Dependent|
|Western Blot (WB)||2 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
|Immunoprecipitation (IP)||See 1 publications below|
Heterochromatin protein-1 (HP1) is a methyl-lysine binding protein localized at heterochromatin sites, where it mediates gene silencing. It has been shown that mammalian methyltransferases that selectively methylate histone H3 on lysine-9 generate a binding site for HP1 proteins, a family of heterochromatic adaptor molecules implicated in both gene silencing and supranucleosomal chromatin structure. High-affinity in vitro recognition of a methylated histone H3 peptide by HP1 requires a functional chromodomain. Thus, the HP1 chromodomain is a specific interaction motif for the methyl epitope on lysine-9 of histone H3. In vivo, heterochromatin association of HP1 proteins is lost in Suv39h double-null primary mouse fibroblasts but is restored after reintroduction of a catalytically active SUV39H1 HMTase.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Assessment of a method to characterize antibody selectivity and specificity for use in immunoprecipitation.
730046 was used in immunoprecipitation to describe a mass spectrometry-based method for scoring immunoprecipitation antibody quality
|Marcon E,Jain H,Bhattacharya A,Guo H,Phanse S,Pu S,Byram G,Collins BC,Dowdell E,Fenner M,Guo X,Hutchinson A,Kennedy JJ,Krastins B,Larsen B,Lin ZY,Lopez MF,Loppnau P,Miersch S,Nguyen T,Olsen JB,Paduch M,Ravichandran M,Seitova A,Vadali G,Vogelsang MS,Whiteaker JR,Zhong G,Zhong N,Zhao L,Aebersold R,Arrowsmith CH,Emili A,Frappier L,Gingras AC,Gstaiger M,Paulovich AG,Koide S,Kossiakoff AA,Sidhu SS,Wodak SJ,Gräslund S,Greenblatt JF,Edwards AM||Nature methods (12:725)||2015|
Antigen p25; chromobox homolog 5 (HP1 alpha homolog, Drosophila); Chromobox protein homolog 5; epididymis luminal protein 25; Heterochromatin protein 1 homolog alpha; heterochromatin protein 1-alpha; HP1 alpha; HP1 alpha homolog; HP1-ALPHA; HP1Hs alpha
CBX5; HEL25; HP1; HP1A