CAB1 — Capsicum annuum

Summary

CaCAB1 (T459_05319) on pepper chromosome 2 encodes a chlorophyll a-b binding protein, chloroplastic, a member of the Chloro_AB-bd_pln family. The product is annotated with chlorophyll binding and nucleic acid binding molecular functions. CaCAB1 is associated with upregulation of chlorophyll anabolism, photosynthesis, light harvesting in photosystem I, pigmentation, chlorophyll anabolism and breakdown, phenylpropanoid and flavonoid anabolism, virus-induced PTGS, homeostasis, and response to light stimulus. It localises to the chloroplast thylakoid membrane and both photosystems. The gene has been connected to fruit color, quantum yield, net photosynthetic rate, and chlorophyll content. Studies of related genes in other species link the family to light-harvesting complex proteins.