>1y3hB (B:) observed residues (from ATOM records)
rsvllvvhtetarrvekvlgdnkialrvlshaadgcelvlvlggdgtflraaelarnasi
pvlgvnlgrigflaeaeaeaidavlehvvaqdyrvedrltldvvvrqggrivnrgwalne
vslekgprlgvlgvvveidgrpvsafgcdgvlvstptgstayafsaggpvlwpdleailv
vpnnahalfgrpmvtspeatiaieieadghdalvfcdgrremlipagsrlevtrcvtsvk
warldsapftdrlvrkfrlpvigwrgk