TRANSFERASE, CO-COMPLEX, ROSSMANN-LIKE FOLD, METHYLTRANSFERASE CRYSTAL STRUCTURE OF AN O-METHYLTRANSFERASE (NCSB1) FROM NEOCARZINOSTATIN BIOSYNTHESIS IN COMPLEX WITH S- ADENOSYLMETHIONINE (SAM) AND 2-HYDROXY-5-METHYL NAPHTHOIC ACID (MNA) 3I5U