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TFA2 | TFIIE small subunit; involved in RNA polymerase II transcription initiation; Belongs to the TFIIE beta subunit family. (328 aa) | ||||
TOP1 | DNA topoisomerase 1; Topoisomerase I; nuclear enzyme that relieves torsional strain in DNA by cleaving and re-sealing the phosphodiester backbone; relaxes both positively and negatively supercoiled DNA; functions in replication, transcription, and recombination; role in processing ribonucleoside monophosphates in genomic DNA into irreversible single-strand breaks; enzymatic activity and interaction with Nsr1p are negatively regulated by polyphosphorylation. (769 aa) |