<p> Members of this family are the trehalose biosynthetic enzyme malto-oligosyltrehalose trehalohydrolase, formally known as 4-alpha-D-{(1-&gt;4)-alpha-D-glucano}trehalose trehalohydrolase (<db_xref db="EC" dbkey="3.2.1.141"/>). It is the TreZ protein of the TreYZ pathway for trehalose biosynthesis, and alternative to the OtsAB system.</p> Malto-oligosyltrehalose trehalohydrolase