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:  In hypertonic , molybdate - free buffer , these oligomeric complexes were dissociated into subunits with Rs of 5 . 9 + / - 0 . 3 nm ( n = 12 ) and a / b of 11 to 12 , as observed previously for other receptors .

A: oligomeric complexes
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Q:  Consistent with this biologic function , the Epstein - Barr virus ( EBV ) Rta protein powerfully stimulates the promoter of its own gene , Rp , in EBV - positive B cells in transient - transfection reporter - based assays .

A: Rta protein
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Q:  Western blot analyses and reverse transcriptase - polymerase chain reaction results indicate that both cells infected with a X4 strain and cells infected with a R5 strain are able to increase intracellular levels of STAT 1alpha and beta proteins as well as IRF - 1 mRNA .

A:
IRF - 1
****