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Agrisera
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Store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles. Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube.
For reconstitution add 50 µL of sterile water.
Specific Species Reactivity: Arabidopsis thaliana
ACD1 encodes a chloroplast-associated enzyme of the chlorophyll catabolic pathway that localizes to plastids (consistent with a chloroplast transit peptide) and functions during leaf senescence and stress-related chlorophyll breakdown. The ACD1 protein is a Rieske-type oxygenase/monooxygenase of the pheophorbide a oxygenase (PaO) step, containing a Rieske 2Fe-2S cluster-binding module and a non-heme iron catalytic center typical of aromatic-ring-hydroxylating dioxygenase-like enzymes, enabling oxygenolytic opening of the pheophorbide a tetrapyrrole macrocycle. Biologically, ACD1 activity is required to convert pheophorbide a into downstream chlorophyll catabolites; when ACD1/PaO activity is reduced (e.g., by antisense suppression), pheophorbide a accumulates and triggers cellular damage and accelerated cell death, including photooxidative injury upon re-illumination after dark-induced senescence, demonstrating that controlled PaO function is essential both for efficient chlorophyll detoxification during senescence and for limiting pro-death signaling/toxicity from chlorophyll catabolic intermediates.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: ACCELERATED CELL DEATH 1; AT3G44880; LETHAL LEAF-SPOT 1 HOMOLOG; LLS1; PAO; PHEOPHORBIDE A OXYGENASE
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