RNA polymerase 2 subunit RPB9 (RNA polymerase II p14.5 kD subunit, RPB14.5, RNA polymerase 2 subunit I, POLR2I, RPB9)
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Function
- component of RNA polymerase 2
- POLR2I is part of the upper jaw surrounding the central large cleft & thought to grab the incoming DNA template
- phosphorylated upon DNA damage, probably by ATM or ATR
Structure
- belongs to the archaeal rpoM/eukaryotic RPA12/RPB9/RPC11 RNA polymerase family
- contains 1 TFIIS-type Zn+2 finger