>1el4A (A:) observed residues (from ATOM records) sskyavklktdfdnprwikrhkhmfdfldingngkitldeivskasddicakleatpeqt krhqvcveaffrgcgmeygkeiafpqfldgwkqlatselkkwarneptlirewgdavfdi fdkdgsgtitldewkaygkisgispsqedceatfrhcdldnsgdldvdemtrqhlgfwyt ldpeadglygngvp