>3sckE (E:) observed residues (from ATOM records)
pfgevfnatkfpsvyawerkkisncvadysvlynstffstfkcygvsatklnvyadsfvv
kgddvrqiapgqtgviadynyklpddfmgcvlawntrnidatstgnynykyrylrhgklr
pferdisnvpfspdgkpctppapncywplrgygfytttgigyqpyrvvvlsfe