L-tyrosyl-[protein] + UTP <=> O-(5'-uridylyl)-L-tyrosyl-[protein] + diphosphate
l-tyrosyl-[protein] + utp <=> o-(5'-uridylyl)-l-tyrosyl-[protein] + diphosphate
L-tyrosyl-[protein] + UTP <=> O-(5'-uridylyl)-L-tyrosyl-[protein] + diphosphate
l-tyrosyl-[protein] + utp <=> o-(5'-uridylyl)-l-tyrosyl-[protein] + diphosphate