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Immunofluorescence analysis of CBX5 was done on 70% confluent log phase PC-3 cells. The cells were fixed with 4% paraformaldehyde for 10 minutes, permeabilized with 0.1% Triton™ X-100 for 10 minutes, and blocked with 1% BSA for 1 hour at room temperature. The cells were labeled with CBX5 Mouse Monoclonal Antibody (730019) at 2ug/mL in 0.1% BSA and incubated for 3 hours at room temperature and then labeled with Goat anti-Mouse IgG (H+L) Superclonal™ Secondary Antibody, Alexa Fluor® 488 conjugate (Product # A28175) at a dilution of 1:2000 for 45 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant with DAPI (S36938). F-actin (Panel c: red) was stained with Alexa Fluor® 555 Rhodamine Phalloidin (Product # R415, 1:300). Panel d is a merged image showing nuclear localization. Panel e is a no primary antibody control. The images were captured at 60X magnification.
|Tested species reactivity||Human, Mouse, Rat|
|Published species reactivity||Human|
|Host / Isotype||Mouse / IgG|
|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 *|
|Flow Cytometry (Flow)||3-5 µg/10^6 cells|
|Immunohistochemistry (Paraffin) (IHC (P))||1:100|
|Immunoprecipitation (IP)||2 ug|
|Western Blot (WB)||1:2000|
* 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|
730019 has successfully been used to detect CBX5 in mouse, human and rat.
730019 has been successfully used in western blotting and immunofluorescence to detect CBX5.
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.
730019 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; chromobox homolog 5 (HP1 alpha homolog, Drosophila); Chromobox protein homolog 5; epididymis luminal protein 25; heterochromatin protein 1 alpha; Heterochromatin protein 1 homolog alpha; heterochromatin protein 1-alpha; HP1 alpha; HP1 alpha homolog; HP1-ALPHA; HP1Hs alpha; mHP1(alpha)
2610029O15Rik; C75991; CBX5; HEL25; HP1; HP1A; Hp1alpha