>2yctB (B:) observed residues (from ATOM records)
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yftttryhqekngavfvdivrdeahdaglniafkgdidlkklqklidekgaeniayicla
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hemfsyadgctmsgkkdclvniggflcmnddemfssakelvvvyegmpsygglagrdmea
maiglreamqyeyiehrvkqvrylgdklkaagvpivepvgghavfldarrfcehltqdef
paqslaasiyvetgvrsmergiisagrnnvtgehhrpkletvrltiprrvytyahmdvva
dgiiklyqhkedirglkfiyepkqlrfftarfdyi