>2y1xA (A:) observed residues (from ATOM records)
svfserteessavqyfqfygylsqqqnmmqdyvrtgtyqrailqnhtdfkdkivldvgcg
sgilsffaaqagarkiyaveastmaqhaevlvksnnltdrivvipgkveevslpeqvdii
isepmgymlfnermlesylhakkylkpsgnmfptigdvhlapftdeqlymeqftkanfwy
qpsfhgvdlsalrgaavdeyfrqpvvdtfdirilmaksvkytvnfleakegdlhrieipf
kfhmlhsglvhglafwfdvafigsimtvwlstapteplthwyqvrclfqsplfakagdtl
sgtclliankrqsydisivaqvdqtgskssnlldlknpffryt