>4kl8S (S:) observed residues (from ATOM records)
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aekfngnffllvegaiptakegrycivgetldakghhhevtmmelirdlapkslatvavg
tcsayggipaaegnvtgsksvrdffadekiekllvnvpgcpphpdwmvgtlvaawshvln
ptehplpeldddgrpllffgdnihencpyldkydnsefaetftkpgckaelgckgpstya
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