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:  Both genes ARO3 and ARO4 are strongly regulated under the general control regulatory system .

A: genes ARO3
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Q:  These data indicate that SB 203580 sensitive p38 MAP kinases are not involved in okadaic acid mediated increases in TRE DNA binding and transactivation .

A: p38 MAP kinases
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Q:  The first operon , orf1 - tolQRA , is iron regulated throughout growth , but iron - regulated expression of tolB and oprL fusions occurs only in late log phase .

A:
oprL fusions
****