>1g3nA (A:) observed residues (from ATOM records)
adqqyecvaeigegaygkvfkardlknggrfvalkrvrvqtgeegmplstirevavlrhl
etfehpnvvrlfdvctvsrtdretkltlvfehvdqdlttyldkvpepgvptetikdmmfq
llrgldflhshrvvhrdlkpqnilvtssgqikladfglariysfqmaltsvvvtlwyrap
evllqssyatpvdlwsvgcifaemfrrkplfrgssdvdqlgkildviglpgeedwprdva
lprqafhsksaqpiekfvtdidelgkdlllkcltfnpakrisaysalshpyfq