>1yl4J (J:) observed residues (from ATOM records) arrrraevrqlqpdlvygdvlvtafinkimrdgkknlaarifydackiiqektgqeplkv fkqavenvkprmevrsrrvgganyqvpmevsprrqqslalrwlvqaanqrperraavria helmdaaegkggavkkkedvermaeanrayahyrw