Journal Article Plant Proteins Actin cytoskeleton Arabidopsis EC 2.7.11.24 MAP kinase signaling MAPK MAPKK Mitogen-Activated Protein Kinases Multiprotein Complexes Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. SRA1 WAVE-regulatory complex. glandular trichome hairless mutant herbivory multiprotein complex phosphorylation scaffold signal transduction size-exclusion chromatography tomato