>4m17E (E:) observed residues (from ATOM records) gqvqhlqaafsqykkvelfpngqsvgekifktagfvkpfteaqllctqaggqlasprsaa enaalqqlvvakneaaflsmtdsktegkftyptgeslvysnwapgepndaggsedcveif tngkwndvacgekrlvvcef