tokens: However , the promoter region contains several potential cis-regulatory elements such as Sp1 , early growth response-1 , activator protein-2 , MyoD , p300 , nuclear factor-kappaB , myeloid zinc finger protein-1 , caudal related homeobox ( Cdx ) gene A , and Cdx protein-2 binding sites .
folded_tokens: however , the promoter region contain several potential cis-regulatory element such as sp1 , early growth response-1 , activator protein-2 , myod , p300 , nuclear factor-kappab , myeloid zinc finger protein-1 , caudal related homeobox ( cdx ) gene a , and Cdx protein-2 binding site .