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: The discordant mutants may reflect interactions with a variable domain of a conserved component or unique interactions with specialized components of the basal transcription apparatus in different cells .

Answer: variable domain

Question: T cells recognizing antigens encoded within map units 0 . 67 to 0 . 73 of HSV DNA are frequently recovered from herpetic lesions .

Answer: HSV DNA

Question: TCF - 1 deficiency resulted in the altered usage of additional Ly - 49 receptors .

Answer:
TCF - 1