
Anti-p27Kip1 (Phospho-Thr187), SKU Y011208, is a rabbit polyclonal antibody that specifically detects endogenous p27 Kip1 (CDKN1B) only when phosphorylated at threonine 187—the CDK2-driven phosphorylation event that marks p27 for proteasomal degradation and licenses S-phase entry. Validated for Western blot (WB) and immunohistochemistry (IHC) in human, mouse, and rat samples. Available at mbpinc.net, MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, MD Anderson Cancer Center, Eurofins, and many other institutes across the USA.