In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
--------
Question:  When a longer - 714 to + 78 fragment of the PBGD promoter is used , the - 70 GATA mutant still displays erythroid - specific activity and is cis - activated by the 5 ' HS - 2 enhancer , while the - 100 CCACC mutant is completely inactive in the absence or in the presence of the 5 ' HS - 2 enhancer .

Answer: PBGD promoter


Question:  Our results are consistent with TCOF1 mutations leading to the Treacher Collins syndrome phenotype .

Answer: TCOF1 mutations


Question:  By contrast , CIS failed to affect the IL - 9 response .

Answer:
IL - 9