>3senB (B:) observed residues (from ATOM records) ksseavsqwltafqlqlyapnfisagydlptisrmtpedltaigvtkpghrkkiaaeisg lsipdwlpehkpanlavwlsmiglaqyykvlvdngyenidfitditwedlqeigitklgh qkklmlavrklaelqkaey