TASK DEFINITION: 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.
PROBLEM:  Adhesion was inhibited by mAbs against the COOH - terminus and central cell binding domains of fibronectin , as well as by the corresponding CS1 and RGD peptides .

SOLUTION: RGD peptides

PROBLEM:  Free protein S deficiency in acute ischemic stroke .

SOLUTION: protein S

PROBLEM:  In the fungus Neurospora crassa , nit - 2 , the major nitrogen regulatory gene , activates the expression of unlinked structural genes that specify nitrogen - catabolic enzymes during conditions of nitrogen limitation .

SOLUTION:
nit - 2