Retinoblastoma 1 (RB1) (AA 805-809) antibody

Details for Product No. ABIN362689
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Antigen
Synonyms RB1, OSRC, RB, p105-Rb, pRb, pp110, Rb, Rb-1, zgc:154147, P105-RB, PP110, RB11
Epitope
AA 805-809
(34), (33), (29), (22), (19), (19), (18), (17), (17), (15), (13), (7), (6), (3), (2), (2), (2), (2), (2), (2), (2), (2), (2), (2), (2), (2), (2), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1)
Reactivity
Human, Mouse (Murine), Rat (Rattus)
(355), (226), (214), (109), (85), (65), (48), (7), (1), (1), (1)
Host
Rabbit
(314), (54), (2)
Clonality
Polyclonal
Conjugate
Un-conjugated
(10), (10), (10), (10), (10), (10), (10), (10), (10), (10), (10)
Application
Western Blotting (WB), Immunohistochemistry (IHC)
(226), (100), (98), (94), (82), (41), (37), (18), (14), (11), (3), (1)
Pubmed 4 references available
Quantity 50 μL
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Catalog No. ABIN362689
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Immunogen Peptide sequence around AA 805-809 (Y-I-S-P-L) derived from Human Rb. Antibodies were produced by immunizing rabbits with synthetic peptide and KLH conjugates.
Isotype IgG
Specificity The antibody detects endogenous level of total Rb protein.
Purification The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Alternative Name Rb
Background Rb operates in the midst of the cell cycle clock apparatus. Its main role is to act as a signal transducer connecting the cell cycle clock with the transcriptional machinery (Ref.1). It plays an important role in the Rb/ E2F pathway in cell proliferation, cell fate determination, and cancer (Ref.2). Cellular senescence is a stable form of cell cycle arrest that limits proliferation of damaged cells and act as a natural barrier to cancer progression. A distinct heterochromatic structure that accumulates in senescent human fibroblasts, designated as SAHF (Senescence-Associated Heterochromatic Foci). SAHF formation coincides with recruitment of heterochromatin proteins and the Rb protein to E2F-responsive promoters and is associated with the stable repression of E2F target genes. Both SAHF formation and the silencing of E2F target genes depended on the integrity of the Rb pathway and do not occur in reversibly arrested cells (Ref.3). Rb activates transcription of the c-Jun gene through the SP1-binding site within the c-Jun promoter
Molecular Weight 110 kDa
NCBI Accession NP_000312
UniProt P06400
Research Area Cancer, Transcription Factors
Application Notes Western blotting: 1:500-1:1000
Immunohistochemistry: 1:50-1:100
Restrictions For Research Use only
Format Liquid
Concentration 1 mg/mL
Buffer Phosphate buffered saline (without Mg2+ and Ca2+), pH 7.4, 150 mM NaCl, 0.02 % sodium azide and 50 % glycerol.
Preservative Sodium azide
Precaution of Use This product contains sodium azide: a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
Storage 4 °C/-20 °C
Storage Comment Store at -20 °C for long term preservation (recommended). Store at 4 °C for short term use.
Background publications Knudsen, Wang: "Differential regulation of retinoblastoma protein function by specific Cdk phosphorylation sites." in: The Journal of biological chemistry, Vol. 271, Issue 14, pp. 8313-20, 1996 (PubMed).

Knudsen, Wang: "Dual mechanisms for the inhibition of E2F binding to RB by cyclin-dependent kinase-mediated RB phosphorylation." in: Molecular and cellular biology, Vol. 17, Issue 10, pp. 5771-83, 1997 (PubMed).

Chadee, Kyriakis: "MLK3 is required for mitogen activation of B-Raf, ERK and cell proliferation." in: Nature cell biology, Vol. 6, Issue 8, pp. 770-6, 2004 (PubMed).

Roesch, Becker, Meyer et al.: "Overexpression and hyperphosphorylation of retinoblastoma protein in the progression of malignant melanoma." in: Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, Vol. 18, Issue 4, pp. 565-72, 2005 (PubMed).

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