>5x5uA (A:) observed residues (from ATOM records)
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vpaheraatmrkaaalvreradaiaqlmtqeqgkpltearvevlsaadiiewfadegrrv
ygrivpprnlgaqqtvvkepvgpvaaftpwnfpvnqvvrklsaalatgcsflvkapeetp
aspaallrafvdagvpagviglvygdpaeissyliphpvirkvtftgstpvgkqlaslag
lhmkratmelgghapvivaedadvalavkaaggakfrnagqvcisptrflvhnsirdeft
ralvkhaeglkvgngleegttlgalanprrltamasvidnarkvgasietggerigsegn
ffaptvianvpldadvfnnepfgpvaairgfdkleeaiaeanrlpfglagyaftrsfanv
hlltqrlevgmlwinqpatpwpempfggvkdsgygseggpealepylvtksvtvma