NHLH1 GI:5031943 nescient helix loop helix 1 1 mmlnsdtmel dlppthsete sgfsdcggga gpdgagpggp gggqargpep 50 51 gepgrkdlqh lsreerrrrr ratakyrtah atrerirvea fnlafaelrk 100 101 llptlppdkk lskieilrla icyisylnhv ldv