HKB99 is an allosteric inhibitor of phosphoglycerate mutase 1 (PGAM1). HKB99 inhibits the formation of invasive pseudopodia and increases the level of PAI-2 in vitro. HKB99 increases the oxidative stress, activates JNK/c-Jun and suppresses cancer (NSCLC)[1][2].
[1]. Liang Q, et al. HKB99, an allosteric inhibitor of phosphoglycerate mutase 1, suppresses invasive pseudopodia formation and upregulates plasminogen activator inhibitor-2 in erlotinib-resistant non-small cell lung cancer cells. Acta Pharmacol Sin. 2021 Jan;42(1):115-119.
[2]. Huang K, et al. A Novel Allosteric Inhibitor of Phosphoglycerate Mutase 1 Suppresses Growth and Metastasis of Non-Small-Cell Lung Cancer. Cell Metab. 2019 Dec 3;30(6):1107-1119.e8.