>2gfnA (A:) observed residues (from ATOM records)
ivdhderrraladavlaliaregisavttravaeesgwstgvlnhyfgsrhelllaalrr
agdiqgdryrtildeegagpieklrnitasilplderrlamtrvflffyaegtargeiaa
flarwrgvvresvvaaqregtvstdldadavtvalvaltdglalqaildpvvmkaisaed
aaarcvdaavrr