>2nyrB (B:) observed residues (from ATOM records)
psssmadfrkffakakhiviisgagvsaesgvptfrgaggywrkwqaqdlatplafahnp
srvwefyhyrrevmgskepnaghraiaecetrlgkqgrrvvvitqnidelhrkagtknll
eihgslfktrctscgvvaenykspicpalsgkgapepgtqdasipveklprceeagcggl
lrphvvwfgenldpaileevdrelahcdlclvvgtssvvypaamfapqvaargvpvaefn
trfhfqgpcgttlpeala