>6czzB (B:) observed residues (from ATOM records)
arvfnfaagpatlpenvllkaqadlynwrgsgmsvmemshrgkeflsiiqkaesdlrqll
eipqeysvlflqggattqfaalplnlcksddtvdfvvtgswgdkavkeakkycktnviws
gksekytkvpsfeeleqtpdakylhicanetihgvefkdypvpkngflvadmssnfcskp
vdvskfgviyggaqknvgpsgvtiviirkdlignaqditpvmldykihdensslyntppc
fgiymcglvfedlleqgglkevekknqrkadllynaieesngffrcpveksvrslmnvpf
tlekseleaefikeaakekmvqlkghrsvggmrasiynamplagveklvafmkdfqakha