>1z6rA (A:) observed residues (from ATOM records)
qikqtnagavyrlidqlgpvsridlsrlaqlapasitkivhemleahlvqelglvvetea
whylslrisrgeiflalrdlssklvveesqelalkddlplldriishidqffirhqkkle
rltsiaitlpgiidtengivhrmpfyedvkemplgealeqhtgvpvyiqhdisawtmaea
lfgasrgardviqvvidhnvgagvitdghllhagssslveightqvdpygkrcycgnhgc
letiasvdsilelaqlrlnqsmssmlhgqpltvdslcqaalrgdllakdiitgvgahvgr
ilaimvnlfnpqkiligsplskaadilfpvisdsirqqalpaysqhisvestqfsnqgtm
agaalvkdamyngsllirllqg