>1nc3A (A:) observed residues (from ATOM records)
efsmkigiigameeevtllrdkienrqtislggceiytgqlngtevallksgigkvaaal
gatlllehckpdviintgsagglaptlkvgdivvsdearyhdadvtafgyeygqlpgcpa
gfkaddkliaaaeaciaelnlnavrglivsgdafingsvglakirhnfpqaiavemeata
iahvchnfnvpfvvvraisdvadqqshlsfdeflavaakqsslmveslvqklahg