>1yviA (A:) observed residues (from ATOM records)
saaaalrdqltallssmfsqglvdeqfqqlqmlqdtpgfvsevvtlfcddadriineiat
lleqpvvnfdkvdayvhqlkgssasvgaqkvkftcmqfrqfcqdksrdgclmalavvrnd
fydlrnkfqtmlqleqqiqa