General transcription factor IIB, TF2B, TFIIB, General transcription factor IIB General transcription factor TFIIB, GTF2B, RNA polymerase II transcription factor IIB, S300 II, TF IIB, Transcription initiation factor IIB.
GTF2B, also known as transcription factor II B, is one of several general transcription factors that make up the RNA polymerase II preinitiation complex. It localizes to the nucleus where it forms a complex (the DAB complex) with transcription factors II
