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.

[Q]: Sequence and deletion analysis of the recombination enhancement gene ( ref ) of bacteriophage P1 : evidence for promoter - operator and attenuator - antiterminator control .
[A]: recombination enhancement gene

[Q]: The dopamine D1 dopamine receptor antagonist SCH 23390 dose dependently ( 7 . 5 - 30 micrograms / kg s . c . ) antagonized the stimulant locomotor effect on both drugs but did not prevent their antiimmobility effect on the behavioral despair test .
[A]: dopamine receptor

[Q]: When targeted to the GAL1 promoter by fusing with the Gal4p DNA - binding domain , Sko1p acts as an Ssn6 / Tup1p - dependent repressor regulated by osmotic stress .
[A]:
GAL1 promoter