Reverse transcriptase domain of group II intron maturase from Roseburia intestinalis in P1 space group

Crystal structures of a group II intron maturase reveal a missing link in spliceosome evolution.

MVKSSGTERKERMDTSSLMEQILSNDNLNRAYLQVVRNKGAEGVDGMKYTELKEYLAKNGEIIKEQLRIRKYKPQPVRRV
EIPKPDGGVRNLGVPTVTDRFIQQAIAQVLTPIYEEQFHDHSYGFRPNRCAQQAILTALDMMNDGNDWIVDIDLEKFFDT
VNHDKLMTIIGRTIKDGDVISIVRKYLVSGIMIDDEYEDSIVGTPQGGNLSPLLANIMLNELDKEMEKRGLNFVRYADDC
IIMVGSEMSANRVMRNISRFIEEKLGLKVNMTKSKVDRPRGIKYLGFGFYYDTSAQQFKAKPHAK

100 mM Bis-Tris propane pH 8.5, 200 mM NaOAc-3H2O, 20% PEG 3350

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Group II intron, maturase, reverse transcriptase, RNA binding protein