CREATE TABLE table_49140 ("E. coli" CLOB, "Yeast  ( S. cerevisiae ) " CLOB, "Human" CLOB, "Type" CLOB, "Substrates" CLOB)

What is the type of glycosylase that has an E. coli of Muty?
SELECT "Type" FROM table_49140 WHERE "E. coli" = 'muty'
SELECT "Type" FROM "table_49140" WHERE "E. coli" = 'muty'