>3blxO (O:) observed residues (from ATOM records)
ggrftvtlipgdgvgkeitdsvrtifeaenipidwetinikqtdhkegvyeaveslkrnk
iglkglwhtpadqtghgslnvalrkqldiyanvalfkslkgvktripdidlivirenteg
efsglehesvpgvveslkvmtrpkteriarfafdfakkynrksvtavhkanimklgdglf
rniiteigqkeypdidvssiivdnasmqavakphqfdvlvtpsmygtilgnigaaliggp
glvaganfgrdyavfepgsrhvgkgqnvanptamilsstlmlnhlglneyatriskavhe
tiaegkhttrdiggsssttdftneiinklstm