>2b4yD (D:) observed residues (from ATOM records)
psssmadfrkffakakhiviisgagvsaesgvptfywrkwqaqdlatplafahnpsrvwe
fyhyrrevmgskepnaghraiaecetrlgkqgrrvvvitqnidelhrkagtknlleihgs
lfktrctscgvvaenykspicpalsgkgapepgtqdasipveklprceeagcggllrphv
vwfgenldpaileevdrelahcdlclvvgtssvvypaamfapqvaargvpvaefntettp
atnrfrfhfqgpcgttlpeala