>1f33A (A:) observed residues (from ATOM records)
tnllytrndvsdsekkatvellnrqviqfidlslitkqahwnmrganfiavhemldgfrt
alidhldtmaeravqlggvalgttqvinsktplksypldihnvqdhlkeladryaivand
vrkaigeakdddtadiltaasrdldkflwfiesnie