>4l3kB (B:) observed residues (from ATOM records) mlitkivghiddyessdkkvdwlevewedlnkrilrketengtdiaiklensgtlrygdv lyesddtliairtklekvyvikpqtmqemgkmafeignrhtmciieddeilvrydktlek lidevgvsyeqserrfkepfk