>1nc3B (B:) observed residues (from ATOM records)
mkigiigameeevtllrdkienrqtislggceiytgqlngtevallksgigkvaaalgat
lllehckpdviintgsagglaptlkvgdivvsdearyhdadvtafgyeygqlpgcpagfk
addkliaaaeaciaelnlnavrglivsgdafingsvglakirhnfpqaiavemeataiah
vchnfnvpfvvvraisdvadqqshlsfdeflavaakqsslmveslvqkla