>2b64G (G:) observed residues (from ATOM records) arrrraevrqlqpdlvygdvlvtafinkimrdgkknlaarifydackiiqektgqeplkv fkqavenvkprmevrsrrvgganyqvpmevsprrqqslalrwlvqaanqrperraavria helmdaaegkggavkkkedvermaeanrayahyrw