8wom
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Structure of the wild-type Arabidopsis ABCB19 in the brassinolide-bound state
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Structural highlights
FunctionAB19B_ARATH Auxin efflux transporter that acts as a negative regulator of light signaling to promote hypocotyl elongation. Mediates the accumulation of chlorophyll and anthocyanin, as well as the expression of genes in response to light. Participates in auxin efflux and thus regulates the polar auxin basipetal transport (from auxin-producing leaves to auxin-sensitive tissues, and from root tips to root elongating zone). Involved in diverse auxin-mediated responses including gravitropism, phototropism and lateral root formation.[1] [2] [3] References
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This page was last modified 13:20, 13 March 2024.