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pmk-1 | Mitogen-activated protein kinase pmk-1; Serine/threonine kinase which responds to activation by environmental stress and pro-inflammatory cytokines by phosphorylating downstream targets. Phosphorylates snk-1 which probably regulates skn-1 nuclear translocation in response to oxidative stress. Probably by activating skn-1, involved in the up- regulation of gcs-1 and glutathione-S-transferase gst-4 expression upon bacteria infection. Up-regulates expression of gcs-1 in intestinal cells upon arsenite treatment. Functions downstream of the MAPKK sek-1 and the MAPKKK nsy-1 as the MAP kinase [...] (377 aa) | ||||
vhp-1 | Tyrosine-protein phosphatase vhp-1; Acts preferentially on the c-Jun N-terminal kinase (JNK) and p38 MAPKs. Plays an important role in the heavy metal stress response and in axon regeneration by negatively regulating the kgb-1 (JNK-like) and the pmk-1 (p38-type) MAPK signaling pathways. Belongs to the protein-tyrosine phosphatase family. Non- receptor class dual specificity subfamily. (661 aa) | ||||
kgb-1 | GLH-binding kinase 1; Mitogen-activated protein kinase which is an essential component of the JNK pathway composed of mlk-1, mek-1 and kgb-1. Phosphorylates the transcription factor fos-1 which prevents fos-1 dimerization and promoter binding and results in activation of target genes including F53A9.2/kreg-1 and lys-3/kreg-2. Phosphorylates jun-1 and activates the AP-1 transcription factor which is a heterodimer of jun-1 and fos-1. Phosphorylates glh-1 in vitro which may play a role in controlling glh-1 protein levels in the germline by targeting it for degradation by the proteasome. R [...] (390 aa) |