>2ai1A (A:) observed residues (from ATOM records)
ngytyedyqdtakwllshteqrpqvavicgsglgglvnkltqaqtfdyseipnfpesgrl
vfgilngracvmmqgrfhmyegypfwkvtfpvrvfrllgvetlvvtnaagglnpnfevgd
imlirdhinlpgfsgenplrgpneerfgvrfpamsdaydrdmrqkahstwkqmgeqrelq
egtyvmlggpnfetvaecrllrnlgadavgmstvpevivarhcglrvfgfslitnkvimd
yesqgkanheevleagkqaaqkleqfvsllmasi