dTDP-alpha-D-forosamine + 2 S-adenosyl-L-homocysteine + 2 H(+) => dTDP-4-amino-2,3,4,6-tetradeoxy-alpha-D-erythro-hexopyranose + 2 S-adenosyl-L-methionine
dtdp-alpha-d-forosamine + 2 s-adenosyl-l-homocysteine + 2 h(+) => dtdp-4-amino-2,3,4,6-tetradeoxy-alpha-d-erythro-hexopyranose + 2 s-adenosyl-l-methionine
dTDP-alpha-D-forosamine + 2 S-adenosyl-L-homocysteine + 2 H(+) => dTDP-4-amino-2,3,4,6-tetradeoxy-alpha-D-erythro-hexopyranose + 2 S-adenosyl-L-methionine
dtdp-alpha-d-forosamine + 2 s-adenosyl-l-homocysteine + 2 h(+) => dtdp-4-amino-2,3,4,6-tetradeoxy-alpha-d-erythro-hexopyranose + 2 s-adenosyl-l-methionine