FIB — Nicotiana attenuata

Summary

A4A49_35030 (FIB, also known as PG1) encodes a PAP/fibrillin domain-containing protein with annotated phosphoriboisomerase, starch synthase, transglycosidase, and enzyme modulator activities, and is associated with protein binding. In coyote tobacco (Nicotiana attenuata), this gene is linked to the pentose-phosphate shunt, photosynthetic electron transport in photosystem II, ATP synthesis, photoprotection, and responses to jasmonic acid. It is also associated with flavonoid, phenylpropanoid, alkaloid, anthocyanin, and starch metabolism, as well as detoxification. The protein localizes to the chloroplast thylakoid membrane, thylakoid lumen, stromule, and chloroplast envelope. Associations with traits include starch grain shape and content, leaf necrosis, shoot growth angle, photosynthetic rate, anthocyanin content, and jasmonic acid content. Phenotype associations include leaf senescence, high-light stress tolerance, plastoglobule formation, and starch granule formation.