tokens: Thus , Xlim-1 not only contains a unique tyrosine rich activation domain but also contains a negative regulatory domain in CT239-403 , suggesting a complex regulatory mechanism underlying the transcriptional activity of Xlim-1 in the organizer .
folded_tokens: thus , xlim-1 not only contain a unique tyrosine rich activation domain but also contain a negative regulatory domain in ct239-403 , suggest a complex regulatory mechanism underlie the transcriptional activity of xlim-1 in the organizer .