The coiled coil region chosen starts at position 289 of the query sequence and ends at position 421.
The sequence is:
EKDARRFQLKIAELSAIIRKLEDRNALLSEERNELLKRLREAESQYKPLLDKNKRLTRKN EDLSHTLRRIESKLKFVTQENIEMRQRAGIIRRPSSLNDLDQSQDEREIDFLKLQIVEQQ NLIDELSKTLETA