regulation of starch biosynthetic process / regulation of chlorophyll biosynthetic process / oxidoreductase activity, acting on a sulfur group of donors, disulfide as acceptor / thioredoxin-disulfide reductase / thioredoxin-disulfide reductase (NADPH) activity / positive regulation of catalytic activity / enzyme activator activity / removal of superoxide radicals / cell redox homeostasis / chloroplast / hydrogen peroxide catabolic process Similarity search - Function