Structural basis of HSL3/NUT receptor kinase-mediated recognition of a disulfide-constrained phytocytokine.
Plant receptor kinases perceive diverse peptide signals to coordinate stress responses and developmental programs. The HAESA-LIKE 3 (HSL3/NUT) receptor recognizes CTNIP/SCREW phytocytokines-disulfide-constrained peptides that regulate immune signaling and stress adaptation. However, how HSL3 distinguishes these structu...