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The structure of BC and CTα subunits of plastid ACCase. (a) alpha carboxyltransferase, α-CT (gene accA); (b) biotin carboxyl carrier protein, BCCP (gene accB); (c) biotin carboxylase, BC, (gene accC). Amino acid positions and sequence conservation values are provided. Blocks are colored according to sequence conservation level, namely: white, 4–19%; light grey, 20–59%; dark grey, 60–79%; black, 80–100%. Legume sequences used for calculation are provided in Tables S12 and S15.
