Peptide sequence: AATGANAEKA ESHNDCPVRL LNPNIAKMKE DILYHFNLTT SRHNFPALFG Sequence homology: Cow: 85%; Guinea Pig: 75%; Horse: 83%; Human: 100%; Mouse: 85%; Rat: 85%; Zebrafish: 83%. UPP1 catalyzes the reversible phosphorylytic cleavage of uridine and deo