>2c72A (A:) observed residues (from ATOM records)
nkcdvvvvgggisgmaaakllhdsglnvvvleardrvggrtytlrnqkvkyvdlggsyvg
ptqnrilrlakelgletykvneverlihhvkgksypfrgpfppvwnpityldhnnfwrtm
ddmgreipsdapwkaplaeewdnmtmkelldklcwtesakqlatlfvnlcvtaethevsa
lwflwyvkqcggttriisttnggqerkfvggsgqvserimdllgdrvklerpviyidqtr
envlvetlnhemyeakyvisaipptlgmkihfnpplpmmrnqmitrvplgsvikcivyyk
epfwrkkdycgtmiidgeeapvaytlddtkpegnyaaimgfilahkarklarltkeerlk
klcelyakvlgslealepvhyeeknwceeqysggcyttyfppgiltqygrvlrqpvdriy
fagtetathwsghmegaveageraareilhamgkipedeiwqsepesvdvpaqpitttfl
erhlpsvpgllrligltti