>1z3yA (A:) observed residues (from ATOM records) pefmvtpaladlqeqlyngneksqlaamstlstagtegyhllqeflkdsatfspppapwi rgqayrllfhspeasvqaflqqhypqgviplrsdrgvdyqelaklfvaekfeaadrlttq klcelagplaqkrrwlyfteveqlpipdlqtidqlwlafslgrfgysvqrqlwlgcgqnw drlwekigwrqgkrwprypnefiwdlsaprghlpltnqlrgvqvlnallnhpawta