| Structural highlights
Function
[MLTK_HUMAN] Stress-activated component of a protein kinase signal transduction cascade. Regulates the JNK and p38 pathways. Pro-apoptotic. Role in regulation of S and G2 cell cycle checkpoint by direct phosphorylation of CHEK2. Isoform 1, but not isoform 2, causes cell shrinkage and disruption of actin stress fibers. Isoform 1 may have role in neoplastic cell transformation and cancer development. Isoform 1, but not isoform 2, phosphorylates histone H3 at 'Ser-28'.[1] [2] [3] [4] [5] [6]
Publication Abstract from PubMed
ZAK is a new promising target for discovery of drugs with activity against antihypertrophic cardiomyopathy (HCM). A series of 1,2,3-triazole benzenesulfonamides were designed and synthesized as selective ZAK inhibitors. One of these compounds, 6p binds tightly to ZAK protein ( Kd = 8.0 nM) and potently suppresses the kinase function of ZAK with single-digit nM (IC50 = 4.0 nM) and exhibits excellent selectivity in a KINOMEscan screening platform against a panel of 403 wild-type kinases. This compound dose dependently blocks p38/GATA-4 and JNK/c-Jun signaling and demonstrates promising in vivo anti-HCM efficacy upon oral administration in a spontaneous hypertensive rat (SHR) model. Compound 6p may serve as a lead compound for new anti-HCM drug discovery.
Design, Synthesis, and Structure-Activity Relationships of 1,2,3-Triazole Benzenesulfonamides as New Selective Leucine-Zipper and Sterile-alpha Motif Kinase (ZAK) Inhibitors.,Yang J, Shibu MA, Kong L, Luo J, BadrealamKhan F, Huang Y, Tu ZC, Yun CH, Huang CY, Ding K, Lu X J Med Chem. 2019 Jun 17. doi: 10.1021/acs.jmedchem.9b00664. PMID:31244114[7]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
References
- ↑ Liu TC, Huang CJ, Chu YC, Wei CC, Chou CC, Chou MY, Chou CK, Yang JJ. Cloning and expression of ZAK, a mixed lineage kinase-like protein containing a leucine-zipper and a sterile-alpha motif. Biochem Biophys Res Commun. 2000 Aug 11;274(3):811-6. PMID:10924358 doi:http://dx.doi.org/10.1006/bbrc.2000.3236
- ↑ Gotoh I, Adachi M, Nishida E. Identification and characterization of a novel MAP kinase kinase kinase, MLTK. J Biol Chem. 2001 Feb 9;276(6):4276-86. Epub 2000 Oct 19. PMID:11042189 doi:http://dx.doi.org/10.1074/jbc.M008595200
- ↑ Gross EA, Callow MG, Waldbaum L, Thomas S, Ruggieri R. MRK, a mixed lineage kinase-related molecule that plays a role in gamma-radiation-induced cell cycle arrest. J Biol Chem. 2002 Apr 19;277(16):13873-82. Epub 2002 Feb 8. PMID:11836244 doi:http://dx.doi.org/10.1074/jbc.M111994200
- ↑ Cho YY, Bode AM, Mizuno H, Choi BY, Choi HS, Dong Z. A novel role for mixed-lineage kinase-like mitogen-activated protein triple kinase alpha in neoplastic cell transformation and tumor development. Cancer Res. 2004 Jun 1;64(11):3855-64. PMID:15172994 doi:http://dx.doi.org/10.1158/0008-5472.CAN-04-0201
- ↑ Tosti E, Waldbaum L, Warshaw G, Gross EA, Ruggieri R. The stress kinase MRK contributes to regulation of DNA damage checkpoints through a p38gamma-independent pathway. J Biol Chem. 2004 Nov 12;279(46):47652-60. Epub 2004 Sep 1. PMID:15342622 doi:http://dx.doi.org/10.1074/jbc.M409961200
- ↑ Choi HS, Choi BY, Cho YY, Zhu F, Bode AM, Dong Z. Phosphorylation of Ser28 in histone H3 mediated by mixed lineage kinase-like mitogen-activated protein triple kinase alpha. J Biol Chem. 2005 Apr 8;280(14):13545-53. Epub 2005 Jan 31. PMID:15684425 doi:http://dx.doi.org/M410521200
- ↑ Yang J, Shibu MA, Kong L, Luo J, BadrealamKhan F, Huang Y, Tu ZC, Yun CH, Huang CY, Ding K, Lu X. Design, Synthesis, and Structure-Activity Relationships of 1,2,3-Triazole Benzenesulfonamides as New Selective Leucine-Zipper and Sterile-alpha Motif Kinase (ZAK) Inhibitors. J Med Chem. 2019 Jun 17. doi: 10.1021/acs.jmedchem.9b00664. PMID:31244114 doi:http://dx.doi.org/10.1021/acs.jmedchem.9b00664
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