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ICMT inhibitors block isoprenylcysteine carboxyl methyltransferase, the last enzyme of protein prenyl processing. Many signaling proteins, including Ras GTPases, end in a cysteine-aliphatic-aliphatic-any amino acid (CAAX) motif that is prenylated, trimmed and then methylated. Methylation of the prenylated cysteine helps these proteins associate with cell membranes. In 1998 the mammalian methyltransferase was localized to the endoplasmic reticulum. Cysmethynil, reported in 2005 as a small-molecule ICMT inhibitor, mislocalized Ras and impaired epidermal growth factor signaling in cancer cells. UCM-1336, POP-3MB and ICMT-IN-1 are further inhibitors used to study Ras membrane targeting and cell growth.
ICMT-IN-17 is a potent inhibitor of Isoprenylcysteine Carboxyl Methyltransferase (ICMT) with an IC50 of 0.38 μM. This compound disrupts the methylation of isoprenylated proteins, which is crucial for their membrane localization and function. ICMT-IN-17 serves as a valuable tool in research aimed at understanding the role of protein methylation in various cellular processes and its implications in disease states.
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ICMT-IN-26 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), with an IC50 value of 0.36 μM. This compound is utilized in biochemical research to investigate the role of ICMT in protein modification and signal transduction pathways. Its inhibition profile makes it a valuable tool for studying diseases associated with dysregulated protein methylation.
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ICMT-IN-16 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 value of 0.131 μM. This compound is utilized in research to elucidate the role of ICMT in protein modification and signal transduction pathways. Its inhibition can provide insights into various cellular processes, making it a valuable tool for studies focused on cancer biology and other related fields.
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ICMT-IN-41 is a selective inhibitor of Isoprenylcysteine Carboxyl Methyltransferase (ICMT) with an IC50 of 0.069 μM. This compound has demonstrated significant potential in regulating post-translational modifications of proteins, making it valuable for studies related to cell signaling and protein stability. It is particularly relevant in research focused on cancer biology and the roles of protein modification in disease pathways.
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ICMT-IN-31 is a potent inhibitor of Isoprenylcysteine carboxyl methyltransferase (ICMT) with an IC50 value of 0.0038 μM. This compound effectively disrupts protein farnesylation, influencing cellular processes such as signal transduction and protein localization. ICMT-IN-31 is particularly valuable for research in cancer biology and the study of post-translational modifications.
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ICMT-IN-54 is an adamantyl analogue that functions as an inhibitor of Isoprenylcysteine Carboxyl Methyltransferase (ICMT), exhibiting an IC50 value of 12.4 μM. This compound effectively inhibits the methylation of BFC (N-biotinyl-(6-aminohexanoic)-S-farnesyl-L-cysteine) in Saccharomyces cerevisiae expressing ICMT, thereby demonstrating its potential to interfere with ICMT-mediated methylation processes. ICMT-IN-54 is a valuable tool for research into the roles of ICMT in cellular signaling and protein modification.
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ICMT-IN-18 is a potent inhibitor of isoprenylcysteine carboxymethyltransferase (ICMT), demonstrating an IC50 of 0.066 μM. This compound is valuable for investigating the role of ICMT in post-translational modifications and protein processing. Its applications extend to studies of cancer biology and signal transduction pathways where altered protein function may influence disease progression.
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ICMT-IN-40 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), with an IC50 value of 0.031 μM. This compound disrupts protein modification by inhibiting cysteine methylation, a critical process for the function and stability of various proteins involved in cellular signaling. ICMT-IN-40 is useful in research applications focused on studying protein prenylation and its implications in cancer and other diseases.
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ICMT-IN-11 is a potent inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 of 0.031 μM. This compound is valuable for research into protein post-translational modifications and their implications in various cellular processes. It is particularly useful in studies focused on cancer biology and signaling pathways involving prenylated proteins.
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ICMT-IN-29 is a potent inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), with an IC50 value of 0.019 μM. This compound exhibits significant inhibitory activity and can be utilized in research applications aimed at elucidating the role of ICMT in protein modification and cellular signaling pathways. Its ability to selectively inhibit ICMT makes it a valuable tool for studying the implications of isoprenylation in various biological contexts.
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ICMT-IN-38 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 value of 0.049 μM. This compound is valuable for investigating the role of ICMT in post-translational modifications and its implications in various biological processes. Research applications include studies on cancer biology and cellular signaling pathways, where modulation of ICMT activity may reveal novel therapeutic targets.
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ICMT-IN-43 is a potent inhibitor of the isoprenylcysteine carboxyl methyltransferase (ICMT) enzyme, with an IC50 value of 0.04 μM. This compound is instrumental in studying the role of protein methylation in various cellular processes and signaling pathways. ICMT-IN-43 can be utilized in research focused on cancer biology, neurodegenerative diseases, and other pathologies linked to post-translational modifications.
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ICMT-IN-39 is a potent inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 of 0.031 μM. This compound effectively disrupts the methylation process of isoprenylated proteins, providing valuable insights into cellular signaling pathways. ICMT-IN-39 is applicable in research focused on the roles of protein modification in various diseases, including cancer and neurodegenerative disorders.
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ICMT-IN-32 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), showcasing an IC50 value of 0.777 μM. This compound is utilized in biochemical research to examine the role of ICMT in post-translational modifications of proteins. Its inhibitory properties make it valuable for studying signaling pathways and cellular processes related to protein farnesylation.
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ICMT-IN-23 is a selective inhibitor of Isoprenylcysteine carboxylmethyltransferase (ICMT), exhibiting an IC50 value of 0.123 μM. This compound plays a crucial role in studying post-translational modifications involved in protein function and stability. ICMT-IN-23 is valuable for research applications focusing on signal transduction, protein interaction studies, and the development of novel therapeutic strategies targeting ICMT.
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ICMT-IN-10 is a selective inhibitor of Isoprenylcysteine Carboxyl Methyltransferase (ICMT), with an IC50 value of 0.184 μM. This compound effectively disrupts the methylation of isoprenylated proteins, thereby playing a critical role in various signaling pathways. ICMT-IN-10 is valuable for studying the biological implications of ICMT in cancer research and potentially in other diseases associated with aberrant protein methylation.
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ICMT-IN-25 is a potent inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), with an IC50 value of 0.025 μM. This compound is significant in biochemical research focused on post-translational modifications, particularly in the study of protein localization and function mediated by ICMT. Its application extends to the investigation of cancer biology and other diseases where ICMT plays a crucial role in regulating protein activity.
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ICMT-IN-53 is a potent inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 value of 0.96 μM. This compound demonstrates significant antiproliferative activity, effectively inhibiting the growth of MDA-MB-231 and PC3 cancer cell lines with IC50 values of 5.14 μM and 5.88 μM, respectively. ICMT-IN-53's PAMPA permeability makes it suitable for various biological research applications, particularly in the study of cancer cell proliferation and signaling pathways.
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ICMT-IN-48 is a competitive inhibitor of Isoprenylcysteine Carboxyl Methyltransferase (ICMT), with a Km of 13 μM for the prenylated methyl acceptor, the enzyme's initial substrate. This compound effectively inhibits ICMT activity, demonstrating IC50 values of 3.5 μM at 1×Km S-adenosylmethionine (SAM) and 2.3 μM at 10×Km SAM. ICMT-IN-48 is valuable for studying the role of ICMT in cellular signaling and post-translational regulation related to prenylated proteins in various biological systems.
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ICMT-IN-45 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 of 0.132 μM. This compound disrupts the post-translational modification of proteins, thereby influencing signaling pathways associated with cancer and other diseases. ICMT-IN-45 is useful in research applications aimed at understanding ICMT-related biological processes and evaluating the potential therapeutic effects of ICMT inhibition.
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ICMT-IN-2 is a potent inhibitor of Isoprenylcysteine carboxyl methyltransferase (ICMT), demonstrating an IC50 value of 0.168 μM. This compound effectively disrupts protein prenylation processes, making it a valuable tool for investigating the role of ICMT in various biological systems. ICMT-IN-2 has applications in studying signal transduction pathways and potential therapeutic interventions in diseases associated with aberrant protein modifications.
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ICMT-IN-14 is a selective inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 value of 0.025 μM. This compound plays a critical role in the modulation of post-translational modifications of proteins associated with oncogenic signaling pathways. ICMT-IN-14 is ideal for research applications focused on protein methylation dynamics and the investigation of cancer biology.
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ICMT-IN-47 is a specific inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), with an IC50 value of 0.76 μM. This compound effectively disrupts ICMT activity, which is critical in the post-translational modification of proteins involved in various signaling pathways. ICMT-IN-47 can be utilized in research applications focused on cancer biology, signaling mechanisms, and studies targeting prenylated proteins.
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ICMT-IN-19 is a specific inhibitor of Isoprenylcysteine carboxyl methyltransferase (ICMT), demonstrating an IC50 value of 0.026 μM. This compound effectively blocks ICMT activity, impacting post-translational modifications of proteins that can influence various cellular processes. ICMT-IN-19 is suitable for research applications focusing on protein processing, signal transduction, and cancer biology.
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ICMT-IN-22 is a potent inhibitor of isoprenylcysteine carboxyl methyltransferase (ICMT), exhibiting an IC50 value of 0.63 μM. This compound is instrumental in research applications related to lipid modification pathways, playing a crucial role in understanding post-translational modifications of proteins. Its use can facilitate studies on cellular signaling, protein stability, and the implications of ICMT activity in various diseases.
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