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.
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Question:  To probe the inter - relationship between the virion - anchoring function and the oligomerization function , we constructed two serotype 3 ( T3 ) sigma 1 deletion mutants in SV40 expression vectors , one lacking the hydrophobic tail and the hinge , and the other lacking an adjacent region which constituted part of the coiled - coil .

Answer: sigma 1


Question:  We now describe a HepG2 cell casein kinase II beta subunit cDNA of 2 . 57 kb containing 96 bases of 5 ' untranslated sequence , 645 bases of open reading frame , and 1832 bases of 3 ' untranslated sequence with two polyadenylation consensus signal sequences and two poly ( A ) stretches .

Answer: casein kinase II


Question:  Unestablished quail myoblasts were infected with a retroviral vector encoding the oncogenic form of H - Ras in order to investigate the mechanism by which this oncoprotein interferes with terminal differentiation .

Answer:
H - Ras