>4ko1S (S:) observed residues (from ATOM records)
akkapviwvqgqgctgcsvsllnavhprikeilldvislefhptvmasegemalahmyei
aekfngnffllvegaiptakegrycivgetldakghhhevtmmelirdlapkslatvavg
tcsayggipaaegnvtgsksvrdffadekiekllvnvpgcpphpdwmvgtlvaawshvln
ptehplpeldddgrpllffgdnihencpyldkydnsefaetftkpgckaelgckgpstya
dcakrrwnnginwcvenavcigcvepdfpdgkspfyvae