>1xnrG (G:) observed residues (from ATOM records)
arrrraevrqlqpdlvygdvlvtafinkimrdgkknlaarifydackiiqektgqeplkv
fkqavenvkprmevrsrrvgganyqvpmevsprrqqslalrwlvqaanqrperraavria
helmdaaegkggavkkkedvermaeanrayahyrw