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:  Rat cholesterol side - chain cleavage cytochrome P - 450 ( P - 450scc ) gene .

A: P - 450scc
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Q:  Two adjacent , highly homologous endoglucanase genes , celD and celE from Fibrobacter succinogenes S85 , which were separated by an AT - rich 223 - nucleotide intergenic region were characterized .

A: homologous endoglucanase genes
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Q:  Here , we analyzed the interaction of CYT - 18 with a small RNA ( P4 - P6 RNA ) corresponding to the isolated P4 - P6 domain of the N . crassa mitochondrial large subunit ribosomal RNA intron .

A:
CYT - 18
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