>1xe3B (B:) observed residues (from ATOM records) msvhieakqgeiaesillpgdplrakyiaetfledvtcynnvrgmlgftgtykgkrvsvq gtgmgvpsisiyvneliqsygvknlirvgtcgaiqkdvkvrdviiamtactdsnmnrltf pgfdfapaanfdllkkaydagtekglhvrvgnvltadvfyresmdmvkklgdygvlavem ettalytlaakygvnalsvltvsdhiftgeettseerqttfnemieialdaai