>1s3jB (B:) observed residues (from ATOM records) ksadqlmsdiqlslqalfqkiqpemlesmekqgvtpaqlfvlaslkkhgslkvseiaerm evkpsavtlmadrleqknliarthntkdrrvidlsltdegdikfeevlagrkaimaryls flteeemlqaahitaklaqaa