>1a3wB (B:) observed residues (from ATOM records)
srlerltslsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyhksvidn
arkseelypgrplaialdtkgpeirtgtttndpippnhemifttddkyakacddkimyvd
yknitkvisagriiyvddgvlsfqvlevvdtlkvkalnagkicshkgvnlpgtdvdlpal
sekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivkienqqgvnnfd
eilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqmlesmtynprpt
raevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaiaylpnyddmrnc
tpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpiilvtrcpraar
fshlyrgvfpfvfekepvsdwtddvearinfgiekakefgilkkgdtyvsiqgfkagagh
sntlqvstv