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| http://purl.uniprot.org/citations/28443108 | http://www.w3.org/2000/01/rdf-schema#comment | "The Really Interesting New Gene (RING)-type E3 ligase, Keep on Going (KEG) plays a critical role in Arabidopsis growth after germination and the connections between KEG and hormone signaling pathways are expanding. With regards to abscisic acid (ABA) signaling, KEG targets ABA-responsive transcription factors abscisic acid insensitive 5, ABF1 and ABF3 for ubiquitination and subsequent degradation through the 26S proteasome. Regulation of E3 ligases through self-ubiquitination is common to RING-type E3 ligases and ABA promotes KEG self-ubiquitination and degradation. ABA-mediated degradation of KEG is phosphorylation-dependent; however, upstream signaling proteins that may regulate KEG stability have not been characterized. In this report, we show that CBL-Interacting Protein Kinase (CIPK) 26 can phosphorylate KEG in vitro. Using both in vitro and in planta degradation assays we provide evidence which suggests that the kinase activity of CIPK26 promotes the degradation of KEG. Furthermore, we found that the kinase activity of CIPK26 also influences its own stability; a constitutively active version is more stable than a wild type or a kinase dead version. Our results suggest a reciprocal regulation model wherein an activated and stable CIPK26 phosphorylates KEG to promote degradation of the E3."xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.org/dc/terms/identifier | "doi:10.3389/fpls.2017.00502"xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/author | "Liu H."xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/author | "Stone S.L."xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/author | "Sullivan V."xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/author | "Lyzenga W.J."xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/date | "2017"xsd:gYear |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/name | "Front Plant Sci"xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/pages | "502"xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/title | "The Kinase Activity of Calcineurin B-like Interacting Protein Kinase 26 (CIPK26) Influences Its Own Stability and that of the ABA-regulated Ubiquitin Ligase, Keep on Going (KEG)."xsd:string |
| http://purl.uniprot.org/citations/28443108 | http://purl.uniprot.org/core/volume | "8"xsd:string |
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