Regulatory protein NPR4

UniProtKB accession:  Q5ICL9

Grouped By:  Matching UniProtKB accession

UniProtKB description:  Salicylic acid (SA)-binding substrate-specific adapter of an E3 ubiquitin-protein ligase complex (CUL3-RBX1-BTB) which mediates the ubiquitination and subsequent proteasomal degradation of NPR1 in the absence of SA (PubMed:22699612, PubMed:32788727). Together with NPR3, acts as receptor of salicylic acid to monitor immunity in a NPR1-dependent manner and induce systemic acquired resistance (SAR) (PubMed:22699612, PubMed:32788727). Involved in the regulation of basal defense responses against pathogens, and may be implicated in the cross-talk between the SA- and JA-dependent signaling pathways (PubMed:15634206, PubMed:17076807, PubMed:32788727).