Function
Dose-dependent activator of the defense response against virulent pathogens, including bacteria, fungi and oomycetes, that acts in a positive feedback loop with the defense signal salicylic acid (SA) (PubMed:14507999, PubMed:20520716, PubMed:10488236, PubMed:16297071, PubMed:19144005). Regulates the salicylic acid (SA) signaling pathway leading to cell death and modulating cell fate (e.g. cell enlargement and/or cell division) (PubMed:14507999, PubMed:10488236, PubMed:11722764). In response to SA signaling, triggers the accumulation of FLS2 at the plasma membrane, thus priming defenses (PubMed:24923602). Involved in SA-dependent freezing signaling and tolerance (PubMed:19959255).
Sequence
MDSSGADLDRIEAQRSMLVSHDQRKDFSHSGGVGTTSPTGDTEPVPKFRTNLKLSDLFALPGEDVEMTPEIFGGMSNGEKECLEKLRSNGTPMERVKSNTGDSILHIAAKWGHLELVKEIIFECPCLLFEQNSSRQTPLHVATHGGHTKVVEALVASVTSALASLSTEESEGLNPHVLKDEDGNTALYYAIEGRYLEMATCLVNADKDAPFLGNNKGISSLYEAVDAGNKFEDLVKAILKTTDDNVDREVRKFNLDSKLQGNKHLAHVALKAKSIGVLDVILDEYPSLMDEQDEDGRTCLSYGASIGYYKGLCNILNRSTKGVYVCDQDGSFPIHSAAKNEHYEIIKEFIKRCPASKYLLNRLGQNILHVAAKNEASLTAYMLMHDKDTKHLGVGQDVDGNTPLHLAVMNWDFDSITCLASRNHEILKLRNKSGLRARDIAESEVKPNYIFHERWTLALLLYAIHSSGFESVKSLTIQSVPLDPKKNRHYVNALLVVAALVATVTFAAGFTIPGGYISDSKKPNLGRATLATNPTLFIFLLFDILAMQSSVATICTLIWAQLGDLALILKSLHVALPLLLFSLLCMPVAFLFGVITAIAHVKWLLVTISIISGGFFLFAIFILGPHVMLQRSHLPPSSGIFLKTFMLTIDISELFVILIKACFGCVACSE