R Recombinant
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.
Cyclin T1 (D1B6G) Rabbit mAb #81464
Filter:
- WB
- IP
- ChIP
- C&R
- C&T
Supporting Data
REACTIVITY | H M R Mk |
SENSITIVITY | Endogenous |
MW (kDa) | 81 |
Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
- ChIP-Chromatin Immunoprecipitation
- C&R-CUT & RUN
- C&T-CUT & Tag
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
- Mk-Monkey
Product Information
Product Usage Information
For optimal ChIP results, use 10 μl of antibody and 10 μg of chromatin (approximately 4 x 106 cells) per IP. This antibody has been validated using SimpleChIP® Enzymatic Chromatin IP Kits.
The CUT&RUN dilution was determined using CUT&RUN Assay Kit #86652.
The CUT&Tag dilution was determined using CUT&Tag Assay Kit #77552.
The CUT&RUN dilution was determined using CUT&RUN Assay Kit #86652.
The CUT&Tag dilution was determined using CUT&Tag Assay Kit #77552.
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Immunoprecipitation | 1:100 |
Chromatin IP | 1:50 |
CUT&RUN | 1:50 |
CUT&Tag | 1:50 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Cyclin T1 (D1B6G) Rabbit mAb recognizes endogenous levels of total cyclin T1 protein.
Species Reactivity:
Human, Mouse, Rat, Monkey
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gly642 of human cyclin T1 protein.
Background
Positive transcription elongation factor (P-TEFb) is a heterodimer composed of cyclin T proteins and CDK9. P-TEFb plays a critical role in the transition of the RNA polymerase II (RNAPII) machinery from transcription initiation to elongation (1). At some genes during transcription initiation, RNAPII moves approximately 50 nucleotides away from the transcription start site into the gene where it then pauses and awaits signaling for the formation of a productive transcription elongation complex (1,2). The release of this promoter proximal pausing of RNAPII is signaled by phosphorylation of the C-terminal domain (CTD) within the largest subunit of RNAPII at Ser2 of the heptapeptide repeat sequence by P-TEFb (3). This phosphorylation event is important for the recruitment of mRNA processing factors and chromatin modifiers that are necessary for proper gene expression (4,5). P-TEFb also promotes transcription elongation by phosphorylating DSIF (DRB-induced stimulating factor) and NELF (negative elongation factor), two negative elongation factors that retain RNAPII at the promoter proximal region of genes to initiate transcription elongation (6,7).
- Cho, S. et al. (2010) Cell Cycle 9, 1697-705.
- Saunders, A. et al. (2006) Nat Rev Mol Cell Biol 7, 557-67.
- Buratowski, S. (2009) Mol Cell 36, 541-6.
- Lenasi, T. and Barboric, M. (2010) RNA Biol 7, 145-50.
- Pirngruber, J. et al. (2009) Cell Cycle 8, 3636-42.
- Wada, T. et al. (1998) EMBO J 17, 7395-403.
- Yamada, T. et al. (2006) Mol Cell 21, 227-37.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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