>6crgB (B:) observed residues (from ATOM records)
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lkfatlaklvqyymehvielkyplncadptserwfhghlsgkeaeklltekgkhgsflvr
esqshpgdfvlsvrtgndgkskvthvmircqelkydvgggerfdsltdlvehykknpmve
tlgtvlqlkqplnttrinaaeiesrvrelskqgfweefetlqqqeckllysrkegqrqen
knknryknilpfdhtrvvlhvsdyinaniimpksyiatqgclqntvndfwrmvfqensrv
ivmttkywpdeyalkeygvmrvrnvkesaahdytlrelklskvgqgntertvwqyhfrtw
pdhgvpsdpggvldfleevhhkqesimdagpvvvhcsagigrtgtfividilidiirekg
vdcdidvpktiqmvrsqrsgmvqteaqyrfiymavqhyietl