Protein-tyrosine kinases (PTKs) catalyze the transfer of the γ-phosphate of ATP to tyrosine residues of protein substrates, are critical components of signaling pathways that control cellular proliferation and differentiation. Two classes of PTKs are present in cells: the transmembrane receptor PTKs and the nonreceptor PTKs.

The RTK family includes the receptors for insulin and for many growth factors, such as EGF, FGF, PDGF, VEGF, and NGF. RTKs are transmembrane glycoproteins that are activated by the binding of their ligands, and they transduce the extracellular signal to the cytoplasm by phosphorylating tyrosine residues on the receptors themselves (autophosphorylation) and on downstream signaling proteins. RTKs activate numerous signaling pathways within cells, leading to cell proliferation, differentiation, migration, or metabolic changes. In addition, nonreceptor tyrosine kinases (NRTKs), which include Src, JAKs, and Abl, among others, are integral components of the signaling cascades triggered by RTKs and by other cell surface receptors such as GPCRs and receptors of the immune system. NRTKs are critical components in the regulation of the immune system.

RTKs and NRTKs have been implicated in the progression of diseases such as cancer, diabetic retinopathy, atherosclerosis, and psoriasis. Protein kinases, including RTKs, are one of the most frequently mutated gene families implicated in cancer, which has prompted numerous studies on their role in cancer pathogenesis. There are four main mechanisms of RTK dysregulation in human cancers: genomic rearrangements, autocrine activation, overexpression and gain- or loss-of-function mutations. Currently, there are several clinically available small molecule inhibitors and monoclonal antibodies against specific RTKs.

References:
[1] Hubbard SR, et al. Annu Rev Biochem. 2000;69:373-98.
[2] Robinson DR, et al. Oncogene. 2000 Nov 20;19(49):5548-57.
[3] McDonell LM, et al. Hum Mol Genet. 2015 Oct 15;24(R1):R60-6.


Anti-infection >
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Metabolic Enzyme/Protease >
15-PGDH 5 alpha Reductase 5-Lipoxygenase Acetyl-CoA Carboxylase Acyltransferase Adenosine Deaminase Adenosine Kinase Aldehyde Dehydrogenase (ALDH) Aldose Reductase Aminopeptidase Angiotensin-converting Enzyme (ACE) ATGL ATP Citrate Lyase Carbonic Anhydrase Carboxypeptidase Cathepsin CETP COMT Cytochrome P450 Dipeptidyl Peptidase Dopamine β-hydroxylase E1/E2/E3 Enzyme Elastase Enolase FAAH FABP Factor Xa Farnesyl Transferase Fatty Acid Synthase (FAS) FXR Glucokinase GSNOR Gutathione S-transferase HCV Protease Hexokinase HIF/HIF Prolyl-Hydroxylase HIV Integrase HIV Protease HMG-CoA Reductase (HMGCR) HSP Indoleamine 2,3-Dioxygenase (IDO) Isocitrate Dehydrogenase (IDH) Lactate Dehydrogenase LXR MAGL Mineralocorticoid Receptor Mitochondrial Metabolism MMP Nampt NEDD8-activating Enzyme Neprilysin PAI-1 PDHK PGC-1α Phosphatase Phosphodiesterase (PDE) Phospholipase Procollagen C Proteinase Proteasome Pyruvate Kinase RAR/RXR Renin ROR Ser/Thr Protease SGK Stearoyl-CoA Desaturase (SCD) Thrombin Tryptophan Hydroxylase Tyrosinase Xanthine Oxidase
Neuronal Signaling >
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Ack1 ALK Bcr-Abl BMX Kinase Btk c-Fms c-Kit c-Met/HGFR Discoidin Domain Receptor DYRK EGFR Ephrin Receptor FAK FGFR FLT3 IGF-1R Insulin Receptor IRAK Itk PDGFR PKA Pyk2 ROS Src Syk TAM Receptor Trk Receptor VEGFR
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EGFR-IN-5

EGFR-IN-5 is a EGFR inhibitor with IC50s of 10.4, 1.1, 34, 7.2 nM for EGFR, EGFRL858R, EGFRL858R/T790M, and EGFRL858R/T790M/C797S, respectively.

  • CAS Number: 2225887-26-1
  • MF: C31H38FN9O
  • MW: 571.69
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Gilteritinib

Gilteritinib is a potent FLT3/AXL inhibitor with IC50s of 0.29 nM/0.73 nM, respectively.

  • CAS Number: 1254053-43-4
  • MF: C29H44N8O3
  • MW: 552.711
  • Catalog: FLT3
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 696.9±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 375.3±31.5 °C

UNC4203

UNC4203 (UNC-4203) is a potent, highly selective MerTK with IC50 of 2.4 nM, displays >30- and 4 -foldfold selectivity over Alx (IC50=80 nM) and Tyro3 (IC50=9.1 nM); display IC50 of 39 nM for FLT-3, inhibits MERTK phosphorylation in cell-based assays with IC50 of 13.8 nM, inhibits MERTK phosphorylation in vivo in mice with advanced leukemia (30 mg/kg, ip injection).

  • CAS Number: 1818234-19-3
  • MF: C30H44N6O
  • MW: 504.710
  • Catalog: FLT3
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 682.0±65.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 366.3±34.3 °C

Varlitinib tosylate

Varlitinib (ASLAN001) tosylate is a potent, reversible, small molecule pan-EGFR inhibitor with IC50s of 7, 2, 4 nM for HER1, HER2 and HER4, respectively[1].

  • CAS Number: 1146629-86-8
  • MF: C36H35ClN6O8S3
  • MW: 811.35
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TIE-2/VEGFR-2 kinase-IN-1

TIE-2/VEGFR-2 kinase-IN-1 is used for the synthesis of TIE-2 and/or VEGFR-2 inhibitors, extracted from patent WO2003022852, example 14. TIE-2/VEGFR-2 kinase-IN-1 is used for the study of diseases associated with inappropriate angiogenesis[1].

  • CAS Number: 453590-24-4
  • MF: C13H11N3O2
  • MW: 241.24500
  • Catalog: VEGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EGFR-IN-1

EGFR-IN-1 (compound 24) is an orally active and irreversible L858R/T790M mutant selective EGFR inhibitor. EGFR-IN-1 potently inhibits Gefitinib-resistant EGFR L858R, T790M with 100-fold selectivity over wild-type EGFR. EGFR-IN-1 displays strong antiproliferative activity against the H1975 cells and the first line mutant HCC827 cells. Antitumor activity[1].

  • CAS Number: 1625677-63-5
  • MF: C28H30N6O4
  • MW: 514.58
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TIE-2/VEGFR-2 kinase-IN-4

TIE-2/VEGFR-2 kinase-IN-4, benzimidazole, is a potent TIE-2 and VEGFR-2 tyrosine kinase receptors inhibitors with IC50 values of 5.2 nM and 5.1 nM, respectively. TIE-2/VEGFR-2 kinase-IN-4 can be used for the research of angiogenesis[1].

  • CAS Number: 433224-29-4
  • MF: C26H17F4N5O4
  • MW: 539.44
  • Catalog: VEGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Insulin glulisine

Insulin glulisine (HMR 1964) is a rapid-acting insulin analogue, it mimics the pharmacokinetic and pharmacodynamic profiles of physiological human insulin. Insulin glulisine can be used for the research of diabetes[1].

  • CAS Number: 207748-29-6
  • MF: C258H384N64O78S6
  • MW: 5822.57
  • Catalog: Insulin Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Antiproliferative agent-7

Antiproliferative against-7 (compound 8f) is a potent anti-proliferative agent. Antiproliferative against-7 has antiproliferative activity against cancer cell lines MCF-7, MDA-MB-231, HCT-116 and FR-2 with IC50s of 3.5 μM, 15.54 μM, 30.43 μM and 34.8 μM, respectively. Antiproliferative against-7 can increase ROS production and induce apoptosis[1].

  • CAS Number: 2497687-47-3
  • MF: C28H32N4O
  • MW: 440.58
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

(R)-3-Hydroxy Midostaurin

(R)-3-Hydroxy Midostaurin ((R)-CGP52421) is a potent kinases inhibitor. (R)-3-Hydroxy Midostaurin is a major metabolite of midostaurin (PKC412; HY-10230) undergoing by the hepatic CYP3A4 enzyme. (R)-3-Hydroxy Midostaurin has the potential for acute myeloid leukemia (AML)[1].

  • CAS Number: 155848-20-7
  • MF: C35H30N4O5
  • MW: 586.64
  • Catalog: FLT3
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

JNJ-38158471

JNJ-38158471 is a well tolerated, orally available, highly selective VEGFR-2 inhibitor, with an IC50 of 40 nM. JNJ-38158471 also inhibits Ret and Kit with the IC50s of 180 and 500 nM, respectively[1].

  • CAS Number: 951151-97-6
  • MF: C15H17ClN6O3
  • MW: 364.787
  • Catalog: c-Kit
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Antitumor agent-45

Antitumor agent-45 (Compound 21) could induce and stimulate A549 cells apoptosis in G0/G1 and G2/M phase. Antitumor agent-45 (Compound 21) inhibits c-Met expression to regulate the growth of tumor cells[1].

  • CAS Number: 2581082-74-6
  • MF: C28H17BrFN5O3
  • MW: 570.37
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PDGFR-IN-1

PDGFR-IN-1 (compound 7m) is a potent and orally active PDGFR (platelet-derived growth factor receptor) inhibitor, with IC50 values of 2.4 and 0.9 nM for PDGFRα and PDGFRβ, respectively. PDGFR-IN-1 displays robust antitumor effects and low toxicity, and can be used to study osteosarcoma[1].

  • CAS Number: 2644673-07-2
  • MF: C25H30N8O
  • MW: 458.56
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

IRAK inhibitor 1

IRAK inhibitor 1 is a potent IRAK-4 inhibitor with IC50 of 216 nM, is poorly active against JNK-1 and JNK-2 with IC50 of 3.801 μM, and >10 μM, respectively.

  • CAS Number: 1042224-63-4
  • MF: C17H19N5
  • MW: 293.36600
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EphA2 agonist 1

EphA2 agonist 1 (Compound 7bg) is a potent EphA2 receptor agonist. EphA2 agonist 1 shows great potency and selectivity toward EphA2 overexpressed glioblastoma cells and stimulates EphA2 phosphorylation[1].

  • CAS Number: 2611459-57-3
  • MF: C50H58N12O12
  • MW: 1019.07
  • Catalog: Ephrin Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

c-Kit-IN-2

c-Kit-IN-2 is a c-KIT inhibitor with an IC50 of 82 nM, shows superior antiproliferative activities against all the three GIST cell lines, GIST882, GIST430, and GIST48, with GI50s of 3, 1, and 2 nM, respectively[1].

  • CAS Number: 2121515-37-3
  • MF: C25H29N9O2S
  • MW: 519.62
  • Catalog: c-Kit
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

MT-802

MT-802 is a potent BTK degrader based on PROTAC technology, with a DC50 of 1 nM. MT-802 has potential to treat C481S mutant chronic lymphocytic leukemia (CLL)[1].

  • CAS Number: 2231744-29-7
  • MF: C41H41N9O8
  • MW: 787.82
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Delphinidin-3-O-glucoside chloride

Delphinidin 3-glucoside chloride (Delphinidin 3-O-glucoside chloride) is an active anthocyanin found in bilberry extract. Delphinidin 3-glucoside chloride induces a pro-apoptotic effect in B cell chronic lymphocytic leukaemia (B CLL)[1]. Delphinidin 3-glucoside chloride exerts phytoestrogen activity by binding to ERβ, with an IC50 of 9.7 μM[2]. Delphinidin-3-O-glucoside chloride inhibits EGFR with an IC50 of 2.37 µM[3].

  • CAS Number: 6906-38-3
  • MF: C21H21ClO12
  • MW: 500.837
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Regorafenib (BAY 73-4506)

Regorafenib (BAY 73-4506) is a multi-targeted receptor tyrosine kinase inhibitor with IC50s of 13/4.2/46, 22, 7, 1.5 and 2.5 nM for VEGFR1/2/3, PDGFRβ, Kit, RET and Raf-1, respectively.

  • CAS Number: 755037-03-7
  • MF: C21H15ClF4N4O3
  • MW: 482.815
  • Catalog: Autophagy
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: 513.4±50.0 °C at 760 mmHg
  • Melting Point: 206.0 to 210.0 °C
  • Flash Point: 264.3±30.1 °C

AZD3229

AZD3229 is a potent pan-KIT mutant inhibitor for the treatment of gastrointestinal stromal tumors.

  • CAS Number: 2248003-60-1
  • MF: C24H26FN7O3
  • MW: 479.51
  • Catalog: c-Kit
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Fostamatinib disodium

Fostamatinib Disodium (R788 Disodium), a prodrug of the active metabolite R406, is a potent Syk inhibitor with IC50 of 41 nM.

  • CAS Number: 1025687-58-4
  • MF: C23H24FN6Na2O9P
  • MW: 624.423
  • Catalog: Syk
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ITK inhibitor 6

ITK inhibitor 6 (compound 43) is a potent and selective ITK inhibitor with IC50s of 4 nM, 133 nM, 320 nM, 2360 nM, 155 nM for ITK, BTK, JAK3, EGFR, LCK, respectively. ITK inhibitor 6 inhibits phosphorylation of PLCγ1 and ERK1/2. ITK inhibitor 6 shows antiproliferative activities[1].

  • CAS Number: 2404604-06-2
  • MF: C28H24F2N4O2
  • MW: 486.51
  • Catalog: Itk
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Losatuxizumab

Losatuxizumab (ABT-806) is an anti-EGFR monoclonal antibody. Losatuxizumab binds to EGFR with EC50s of 0.96 nM for EGFR wild-type, 0.09 nM for EGFRC271A,C283A, 0.12 nM for EGFRvIII, 0.66 nM for EGFR1-501. Losatuxizumab can be used for research of EGFR-expressing cancers[1][2].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Mal-VC-PAB-(N-Me-amide-C3)-ADU-S100 triethylamine

Mal-VC-PAB-(N-Me-amide-C3)-ADU-S100 triethylamine is an immune stimulator antibody conjugate (ISAC) comprising an anti-human epidermal growth factor receptor 2 (HER2) antibody, a STING agonist (ADU-S100) and a linker. Mal-VC-PAB-(N-Me-amide-C3)-ADU-S100 triethylamine can be uesd for cancer research (WO2018200812A1; example 5)[1].

  • CAS Number: 2249935-19-9
  • MF: C51H65N17O19P2S2.xC6H15N
  • MW:
  • Catalog: STING
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

EGFR/HER2/TS-IN-1

EGFR/HER2/TS-IN-1 (Compound 4d) is an EGFR, HER2 and TS (Thymidylate synthase) inhibitor with IC50 values of 0.203, 0.088 and 0.168 μM against EGFR, HER2 and TS, respectively. EGFR/HER2/TS-IN-1 induces MCF7 cell apoptosis[1].

  • CAS Number: 2444363-11-3
  • MF: C24H15N5O4S2
  • MW: 501.54
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

MC-Val-Cit-PAB-Amide-TLR7 agonist 4

MC-Val-Cit-PAB-Amide-TLR7 agonist 4 (example 15) is a HER2-TLR7 and HER2-TLR8 immune agonist conjugate[1].

  • CAS Number: 2413016-49-4
  • MF: C52H72N12O11
  • MW: 1041.20
  • Catalog: Toll-like Receptor (TLR)
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

LY2874455

LY2874455 is a pan-FGFR inhibitor with IC50s of 2.8, 2.6, 6.4, 6 nM for FGFR1, FGFR2, FGFR3, FGFR4, respectively.

  • CAS Number: 1254473-64-7
  • MF: C21H19Cl2N5O2
  • MW: 444.314
  • Catalog: FGFR
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 672.6±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 360.5±31.5 °C

Erdafitinib(JNJ-42756493)

Erdafitinib (JNJ-42756493) is a potent and orally available FGFR family inhibitor; inhibits FGFR1/2/3/4 with IC50s of 1.2, 2.5, 3.0 and 5.7 nM, respectively.

  • CAS Number: 1346242-81-6
  • MF: C25H30N6O2
  • MW: 446.545
  • Catalog: FGFR
  • Density: 1.2±0.1 g/cm3
  • Boiling Point: 662.3±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 354.4±31.5 °C

Ningetinib Tosylate

Ningetinib Tosylate is a potent, orally bioavailable small molecule tyrosine kinase inhibitor (TKI) with IC50s of 6.7, 1.9 and <1.0 nM for c-Met, VEGFR2 and Axl, respectively.

  • CAS Number: 1394820-77-9
  • MF: C38H37FN4O8S
  • MW: 728.79
  • Catalog: c-Met/HGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

AMG-47a

AMG-47a is a potent inhibitor of Lck and T cell proliferation; exhibits anti-inflammatory activity (ED50 = 11 mg/kg) in the anti-CD3 induced production of IL-2 in mice.IC50 value: Target: Lck inhibitorIn several other in vitro assays, AMG-47a displays subnanomolar inhibition against Lck, and low (<10 nM) inhibition against other hard to inhibit kinases such as KDR and SRC and MAPK α (p38α). In addition, at slightly higher doses but well under 10 μM, AMG-47a effectively inhibits the JNK family of kinases including TYK2 at ~ 1.2 μM. AMG-47a selectively reduced the levels of EGFP-KRASG12V protein but did not affect EGFP protein in cells.

  • CAS Number: 882663-88-9
  • MF: C29H28F3N5O2
  • MW: 535.560
  • Catalog: Src
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A