Immunogen sequence: DPEVTLLLQC PGGGLPQEQI QAELSPAHDR RPLPGGDEAI TAIWETRLKA QPWLFDAPKF RLHSATLAPI GSRGPQLLLR LGLT. NUDT22 is a protein coding gene. Hydrolyzes UDP-glucose to glucose 1-phosphate and UMP and UDP-galactose to galactose 1-phosphate and UMP. P