>2gfnB (B:) observed residues (from ATOM records)
hderrraladavlaliaregisavttravaeesgwstgvlnhyfgsrhelllaalrragd
iqgdryrtildeegagpieklrnitasilplderrlamtrvflffyaegaaeetargeia
aflarwrgvvresvvaaqregtvstdldadavtvalvaltdglalqaildpvvmkaisae
daaarcvdaavrr