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pyrimidine utilization regulatory protein R This protein is observed in operons extremely similar to that characterized in E. coli K-12 responsible for the import and catabolism of pyrimidines, primarily uracil. This protein is a member of the TetR family of transcriptional regulators defined by the N-teminal model pfam00440 and the C-terminal model pfam08362 (YcdC-like protein, C-terminal region).
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Jiyao W et al.(2023). "The conserved domain database in 2023.",