>2fnoB (B:) observed residues (from ATOM records)
dgmntfdlyywpvpfrgqlirgilahcgcswdehdvdaieglmdcgaekqpvafmgppvl
idrernfaisqmpaiaiylgerldilpatvegrtlsakivndandvldeltlnggremwt
pekwqefvprlqkwirifadtgarnglsaasgfmlgtekigvadivtailwttvadrfpa
ikgiiedtspiiwglsrrvvataplaalnsksfeeygnaycggeiekslrkvas