beta-D-galactosyl-(1<->1')-sphinganine + UDP + H(+) => sphinganine + UDP-alpha-D-galactose
beta-d-galactosyl-(1<->1')-sphinganine + udp + h(+) => sphinganine + udp-alpha-d-galactose
beta-D-galactosyl-(1<->1')-sphinganine + UDP + H(+) => sphinganine + UDP-alpha-D-galactose
beta-d-galactosyl-(1<->1')-sphinganine + udp + h(+) => sphinganine + udp-alpha-d-galactose