>1vfrA (A:) observed residues (from ATOM records)
thpiihdlenrytskkydpskkvsqedlavllealrlsassinsqpwkfiviesdaakqr
mhdsfanmhqfnqphikacshvilfanklsytrddydvvlskavadkriteeqkeaafas
fkfvelncdengehkawtkpqaylalgnalhtlarlnidsttmegidpellseifadelk
gyechvalaigyhhpsedynaslpksrkafedvitil