>1u4fD (D:) observed residues (from ATOM records)
srfvkkdghcnvqfinvgektlvfshnaviamrdgklclmwrvgnlrkshlveahvraql
lksritsegeyipldqidinvgfdsgidriflvspitivheidedsplydlskqdidnad
feivvilegmveatamttqcrssylaneilwghryepvlfeekhyykvdysrfhktyevp
ntplcsardlaekkyil