Title : Characterization of WZ4003 and HTH-01-015 as selective inhibitors of the LKB1-tumour-suppressor-activated NUAK kinases.

Pub. Date : 2014 Jan 1

PMID : 24171924






6 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 WZ4003 inhibits both NUAK isoforms (IC50 for NUAK1 is 20 nM and for NUAK2 is 100 nM), whereas HTH-01-015 inhibits only NUAK1 (IC50 is 100 nM). WZ4003 NUAK family kinase 1 Homo sapiens
2 In all cell lines tested, WZ4003 and HTH-01-015 inhibit the phosphorylation of the only well-characterized substrate, MYPT1 (myosin phosphate-targeting subunit 1) that is phosphorylated by NUAK1 at Ser(445). WZ4003 NUAK family kinase 1 Homo sapiens
3 Consistent with NUAK1 mediating the phosphorylation of MYPT1 we find that in cells overexpressing drug-resistant NUAK1[A195T], but not wild-type NUAK1, phosphorylation of MYPT1 at Ser(445) is no longer suppressed by WZ4003 or HTH-01-015. Serine NUAK family kinase 1 Homo sapiens
4 Consistent with NUAK1 mediating the phosphorylation of MYPT1 we find that in cells overexpressing drug-resistant NUAK1[A195T], but not wild-type NUAK1, phosphorylation of MYPT1 at Ser(445) is no longer suppressed by WZ4003 or HTH-01-015. Serine NUAK family kinase 1 Homo sapiens
5 Consistent with NUAK1 mediating the phosphorylation of MYPT1 we find that in cells overexpressing drug-resistant NUAK1[A195T], but not wild-type NUAK1, phosphorylation of MYPT1 at Ser(445) is no longer suppressed by WZ4003 or HTH-01-015. WZ4003 NUAK family kinase 1 Homo sapiens
6 Consistent with NUAK1 mediating the phosphorylation of MYPT1 we find that in cells overexpressing drug-resistant NUAK1[A195T], but not wild-type NUAK1, phosphorylation of MYPT1 at Ser(445) is no longer suppressed by WZ4003 or HTH-01-015. WZ4003 NUAK family kinase 1 Homo sapiens