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.

 Constitutive PI3 - K activity is essential for proliferation , but not survival , of Theileria parva - transformed B cells .
PI3 - K

 Matrix metalloproteinase s ( MMPs ) are a group of enzymes thought to be responsible for both normal connective tissue matrix remodelling and accelerated breakdown associated with tumour development .
Matrix metalloproteinase

 Ectopically expressed BTK kinase domain was capable of tyrosine - phosphorylating STAT5A both in vitro and in vivo .

BTK kinase domain

