UDP-N-acetyl-alpha-D-galactosamine(in) + UDP-alpha-D-glucuronate(out) = UDP-N-acetyl-alpha-D-galactosamine(out) + UDP-alpha-D-glucuronate(in)
udp-n-acetyl-alpha-d-galactosamine(in) + udp-alpha-d-glucuronate(out) = udp-n-acetyl-alpha-d-galactosamine(out) + udp-alpha-d-glucuronate(in)