>1dzkB (B:) observed residues (from ATOM records) felsgkwitsyigssdlekigenapfqvfmrsiefddkeskvylnffskengiceefsli gtkqegntydvnyagnnkfvvsyasetaliisninvdeegdktimtgllgkgtdiedqdl ekfkevtrengipeenivniierddcpa