>2g50D (D:) observed residues (from ATOM records)
afiqtqqlhaamadtflehkcrldidsapitarntgiictigpasrsvetlkemiksgmn
varmnfshgtheyhaetiknvrtatesfasdpilyrpvavaldtkgpeirtglikgsgta
evelkkgatlkitldnaymekcdenilwldyknickvvdvgskvyvddglislqvkqkgp
dflvtevenggflgskkgvnlpgaavdlpavsekdiqdlkfgveqdvdmvfasfirkaad
vhevrkilgekgknikiiskienhegvrrfdeileasdgimvargdlgieipaekvflaq
kmiigrcnragkpvicatqmlesmikkprptraegsdvanavldgadcimlsgetakgdy
pleavrmqhliareaeaamfhrklfeelarassqstdlmeamamgsveasykclaaaliv
ltesgrsahqvaryrprapiiavtrnhqtarqahlyrgifpvvckdpvqeawaedvdlrv
nlamnvgkargffkkgdvvivltgwrpgsgftntmrvvpvp