>4qtiU (U:) observed residues (from ATOM records)
lrcmqcktngdcrveecalgqdlcrttivrlweegeelelvekscthsektnrtlsyrtg
lkitsltevvcgldlcnqgnsrsryleciscgssdmscergrhqslqcrspeeqcldvvt
hwidrhlrgcgylpgcpgsngfhnndtfhflkccnttkcnegpilelenlpqngrqcysc
kgnsthgcsseetflidcrgpmnqclvatgthepknqsymvrgcatasmcqhahlgdafs
mnhidvscctksgcnhpdld