>2xq1B (B:) observed residues (from ATOM records)
anppvfttsqgcpvsdpfttqripldstgykyappigplllqdfklidtlshfdreripe
rvvhakgagaygvfevtdditdvcsakfldtvgkktriftrfstvggekgsadtardprg
fatkfytedgnldlvynntpiffirdpikfphfihtqkrnpatnlkdpnmfwdyltande
slhqvmylfsnrgtpasyrtmngysghtykwynskgewvyvqvhfianqgvhnlldeeag
rlagedpdhstrdlweaiekgdypswecyiqtmtleqskklpfsvfdltkvwphkdfplr
hfgrftlnenpknyyaeteqiafspshtvpgmepsndpvlqsrlfsypdthrhrlgpnyh
qipvncplksgsfnpinrdgpmcvdgnlggtpnyanayncpiqyavnkpdekytgevvpy
hwehtdydyfqpkmfwkvlgrtpgeqeslvknvanhvsaadefiqdrvyeyfskaepiig
dlirkkvqelkrka