tokens: Human ACAT-1 gene contains two promoters ( P1 and P7 ) , each located in a different chromosome ( 1 and 7 ) ( Li , B. L. , Li , X. L. , Duan , Z. J. , Lee , O. , Lin , S. , Ma , Z. M. , Chang , C. C. , Yang , X. Y. , Park , J. P. , Mohandas , T. K. , Noll , W. , Chan , L. , and Chang , T. Y. ( 1999 ) J. Biol Chem. 274 , 11060-11071 ) .