>2ic5B (B:) observed residues (from ATOM records)
mqaikcvvvgdgavgktcllisyttnafpgeyiptvfdnysanvmvdgkpvnlglwdtag
qedydrlrplsypqtdvflicfslvspasfenvrakwypevrhhcphtpillvgtkldlr
ddkdtierlrdkklapitypqglamareigsvkylecsaltqrglktvfdeairavlg