>2yf5A (A:) observed residues (from ATOM records)
elhtlryirtamtdpgpglpwfvdvgyvdgelfmhynstarravprtewiaantdqqywd
retqivqgseqinrenldilrrrynqtggshtvqwmsgcdiledgtirgyhqaaydgrdf
vafdkgtmtltaavpeavptkrkweeggyaeglkqyleetcvewlrryveygkaelgrre
rpevrvwgkeadgiltlscrahgfyprpivvswlkdgavrgqdaqsggivpngdgtyhtw
vtidaqpgdgdkyqcrvehaslpqpglyswrsgggln