The Terminal acidic SANT 1 (Tacs1) gene of maize is expressed in tissues containing meristems and encodes an acidic SANT domain similar to some chromatin-remodeling complex proteins.

While screening for plant homologs of telomeric-complex proteins, we isolated a cDNA for the Terminal acidic SANT 1 (Tacs1) gene of maize, encoding a 45-kDa protein with a C-terminal Myb/SANT-like domain. Gene expression and protein modeling data indicate that the TACS1 protein may function in chromatin remodeling within shoot primordia or other meristem-containing tissues.