The role of protein surface charge in catalytic activity and chloroplast membrane association of the pea NADPH-protochlorophyllide oxidoreductase as revealed by alanine scanning mutagenesis. - Dahlin,C..; Aronsson,H..; Wilks,H..M..; Lebedev,N..; Sundqvist,C..; Timko,M..P.. (Plant. Mol. Biol., 1999)