What is "uridylyltransferase"

n. (context enzyme English) Any transferase that catalyses the transfer of a uridylyl group between molecules

In enzymology, a [protein-PII] uridylyltransferase is an enzyme that catalyzes the chemical reaction

UTP + [protein-PII] $\rightleftharpoons$ diphosphate + uridylyl-[protein-PII]

Thus, the two substrates of this enzyme are UTP and protein-PII, whereas its two products are diphosphate and uridylyl-[protein-PII].

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing nucleotide groups ( nucleotidyltransferases). The systematic name of this enzyme class is UTP:[protein-PII] uridylyltransferase. Other names in common use include PII uridylyl-transferase, and uridyl removing enzyme. This enzyme participates in two-component system - general.