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:  Effects of timepidium bromide ( TB ; anticholinergic agent ) , acetylcholine ( ACh ) and neostigmine ( Neost ) on gastric and duodenal blood flow distribution were studied by the use of 131I - labeled macroaggregated human serum albumin ( MAA ) in rabbits .

SOLUTION: serum albumin

PROBLEM:  Neither symptoms , virions , nor viral RNA was detectable in plants inoculated with this mutant or a mutant with a frameshift mutation in the coat gene .

SOLUTION: coat gene

PROBLEM:  In addition , both inhibitors blocked phosphatidylcholine hydrolysis and protein kinase C translocation .

SOLUTION:
protein kinase C