>4rk9A (A:) observed residues (from ATOM records)
vtltmfstmtndsekntlrsiaddfekenegikidisfpgpdyenmlrvkmaandmpdlf
dthgwakirygeytadlkdmdwvkhldpnldpilkdekgkvyaypfnqakdgivynagll
kkyglkppqtldelmhaletikeksngsvipfwfagsdkgalaqfydqlatpllitddrr
nekkalengtfdwsdytllaetfkemqekqlinkdiltakpsqlvelmaqekigftlsvt
sigpdtrevnpdiqlgvmptpavyegdkpswiggerhtvavwkdsehleeakrfiefaaq
pkyvkkiaeatsfpqaltnteaenyyskfydqyeeikiepyfdrvylpsgmwdvmgttgq
ellagtltpkqvsekmkqeysrlq