CDC25B-IN-2 is a potent cdc25B inhibitor.

BN82002 hydrochloride is a potent, selective and irreversible inhibitor of CDC25 phosphatase family. BN82002 hydrochloride inhibits CDC25A, CDC25B2, CDC25B3, CDC25C CDC25A, and 25C-cat with IC50 values of 2.4, 3.9, 6.3, 5.4, and 4.6 µM, respectively. BN82002 hydrochloride displays ~20-fold greater selectivity over CD45 tyrosine phosphatase.

PROTAC SHP2 degrader-1 is a potent and effective SHP2 degrader. PROTAC SHP2 degrader-1 induces SHP2 degradation requires binding to VHL-1 and SHP2 proteins and is also neddylation- and proteasome-dependent.

PTP1B-IN-13 is a selective PTP1B inhibitor targeting the allosteric site with an IC50 value of 1.59 μM.

PTP1B-IN-14 is a selective PTP1B inhibitor (IC50 = 0.72 μM) targeting the allosteric site.

Okadaic acid, a marine toxin, is an inhibitor of protein phosphatases (PP), including PP1 (IC50=15-50 nM), PP2A (IC50=0.1-0.3 nM), PP3 (IC50=3.7-4 nM), PP4 (IC50=0.1 nM), PP5 (IC50=3.5 nM), with a significantly higher affinity for PP2A. Okadaic acid increase of phosphorylation of a number of proteins by inhibiting PP, and acts a tumor promoter.

Cytostatin is a potent and selective inhibitor of PP2A with promising antitumor activity. Cytostatin belongs to the fostriecin family of natural products.

SHP2 protein degrader-1 is a potent allosteric inhibitor of SHP2. SHP2 protein degrader-1 induces SHP2 degradation and cell apoptosis. SHP2 protein degrader-1 has the potential for the treatment of SHP2 related diseases.

Dibefurin is a fungal metabolite that acts as an inhibitor of calcineurin phosphatase.

PTP1B-IN-15 is a potent and selective inhibitor of protein tyrosine phosphatase 1B (PTP1B). PTP1B-IN-15 has the potential for the research of type II diabetes and obesity.

Calcium glycerophosphate is an inhibitor of intestinal alkaline phosphatase F3. Calcium glycerophosphate is a source of calcium and phosphorus in total parenteral nutrition solutions.

Endothall (Endothal) is a protein phosphatase 2A (PP2A) inhibitor with IC50s of 90 nM and 5 µM for PP2A and PP1, respectively. Endothall can be used as an herbicide. Endothall also is useful in cancer chemotherapy.

Trichomide A is a potent activator of SHP2. Trichomide A is a natural cyclodepsipeptide. Trichomide A displays immunosuppressive activity against activated T lymphocyte–mediated immune responses in Con A-activated T cells. Trichomide A have the potential for the research of immune-related skin diseases.

Rubratoxin A is a natural mycotoxin and competitive inhibitor of protein phosphatase 2A (PP2A) with an IC50 of 170 nM. Rubratoxin A causes suppression of tumor metastasis and reduction of primary tumor volume in mouse xenografts.

SHP2 inhibitor is an effective SHP2 allosteric inhibitors (IC50≤50 nM), blocking the activation of SHP2 by targeting the auto-inhibited conformation of SHP2 (WO2019183367A1, compound 118).

GDC-1971 showed outstanding potency in biochemical and cell models, and it had a predicted human PK profile that suggested it would achieve target engagement at reasonable doses. GDC-1971 showed an IC50 below the limit of detection of the assay (≪0.001 μM), while that IC50 shifted to 0.17 μM in the same biochemical assay with the constitutively active E76K SHP2 mutant.

(S)-ABBV-CLS-484 is a potent PTPN1 or PTPN2 inhibitor.

SHP2-IN-9 is a specific SHP2 inhibitor (IC50 =1.174 μM) with enhanced blood–brain barrier penetration. SHP2-IN-9 shows 85-fold more selective for SHP2 than SHP1. SHP2-IN-9 inhibits SHP2-mediated cell signal transduction and cancer cell proliferation, and inhibits the growth of cervix cancer tumors and glioblastoma growth in vivo.

NSC45586 free base (NCS 45586, NCI45586) is a potent, specific PHLPP2 inhibitor with IC50 of 4 uM, targets the PHLPP2 PP2C domain, suppresses MYC and triggers cell death.

CNBDA is a novel selective Src homology phosphotyrosine phosphatase 2 (SHP2) inhibitor with IC50 of 5 uM, 25-fold selectivity over SHP1.Treatment HER2-positive BC cells with CNBDA suppressed cell proliferation in 2D culture, anchorage-independent growth in soft agar, and mammosphere (tumorisphere) formation in suspension cultures in a concentration-dependent manner.CNBDA inhibited EGF-induced signaling and expression of HER2 by inhibiting the PTPase activity of SHP2 in BC cells.

IACS-15414 (IACS 15414) is a potent, selective, orally bioavailable SHP2 inhibitor with IC50 of 122 nM; IACS-15414 potently suppressed the mitogen-activated protein kinase (MAPK) pathway signaling and tumor growth in RTK-activated and KRASmut xenograft models in vivo. IACS-15414 potently suppressed the mitogen-activated protein kinase (MAPK) pathway signaling and tumor growth. IACS-15414 had excellent PK properties across species but a narrow hERG window.

Lockdown Ester Prodrug (Lockdown Pro) is the ester-modified Lockdown with increased membrane permeability and prodrug-like properties, a selective small-molecule inhibitor of the integrin phosphatase PPM1F, blocks cancer cell invasion.Lockdown Ester Prodrug (Lockdown Pro) effectively block PPM1F-mediated effects on integrin β1 and PAK in cells, Lockdown Pro suppresses tissue invasion by PPM1F-overexpressing human cancer cells.