>1sl9A (A:) observed residues (from ATOM records) yavklktdfdnprwikrhkhmfdfldingngkitldeivskasddicakleatpeqtkrh qvcveaffrgcgmeygkeiafpqfldgwkqlatselkkwarneptlirewgdavfdifgt itldewkaygkisgispsqedceatfrhcdldnagdldvdemtrqhlgfwytldpeadgl ygngvp