>2aq3F (F:) observed residues (from ATOM records)
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ydkvktellnedlakkykdevvdvygsnyyvncyfsskdtggktcmyggitkhegnhfdn
gnlqnvlvrvyenkrntisfevqtdkksvtaqeldikarnflinkknlyefnsspyetgy
ikfienngntfwydmmpapgdkfdqskylmmyndnktvdsksvkievhlttkng