UDP-alpha-D-galactose(out) + AMP(in) => UDP-alpha-D-galactose(in) + AMP(out)
udp-alpha-d-galactose(out) + amp(in) => udp-alpha-d-galactose(in) + amp(out)
UDP-alpha-D-galactose(out) + AMP(in) => UDP-alpha-D-galactose(in) + AMP(out)
udp-alpha-d-galactose(out) + amp(in) => udp-alpha-d-galactose(in) + amp(out)