Component of SCF(ASK-cullin-F-box) E3 ubiquitin ligase complexes, which may mediate the ubiquitination and subsequent proteasomal degradation of target proteins (By similarity). Required for efficient protein synthesis during temperature stress conditions. Protein modification; protein ubiquitination. Part of a SCF (ASK-cullin-F-box) protein ligase complex. Interacts with SKP1A/ASK1, SKP1B/ASK2, ASK4, ASK11 and ASK14. Expressed in leaves, flowers and stems, and, to a lower extent, in roots and siliques. In seedlings, mostly localized in shoot meristems, root tips and hypocotyl. In adult plant, strongest levels observed in the vasculature, pollen, pollen tubes, and trichomes. Also found in senescencing leaves. By temperature stresses. The F-box is necessary for the interaction with ASK proteins.