PROTEASOME (ENZYME); PROTEINKATABOLISMUS + PEPTIDKATABOLISMUS (METABOLISMUS); BLÄTTER (PFLANZENPHYSIOLOGIE); ARABIDOPSIS (BOTANIK); ENZYMINHIBITION + ENZYMINAKTIVIERUNG (BIOCHEMIE); UBIQUITIN (PROTEINE, PEPTIDE); MASSENSPEKTROSKOPIE + MASSENSPEKTROMETRIE (BIOLOGISCHE TECHNIKEN); PHOTOSYNTHETISCHE GEWEBE (PFLANZENHISTOLOGIE); EPIDERMIS (PFLANZENHISTOLOGIE); PROTEASOMES (ENZYMES); PROTEIN CATABOLISM + PEPTIDE CATABOLISM (METABOLISM); LEAVES (PLANT PHYSIOLOGY); ARABIDOPSIS (BOTANY); ENZYME INHIBITION + ENZYME INACTIVATION (BIOCHEMISTRY); UBIQUITIN (PROTEINS AND PEPTIDES); MASS SPECTROSCOPY + MASS SPECTROMETRY (BIOLOGICAL TECHNIQUES); PHOTOSYNTHETIC TISSUES (PLANT HISTOLOGY); EPIDERMIS (PLANT HISTOLOGY)