>1a3wA (A:) observed residues (from ATOM records)
srlerltslsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyhksvidn
arkseelypgrplaialdtkgpeirtgtttndvdypippnhemifttddkyakacddkim
yvdyknitkvisagriiyvddgvlsfqvlevvdtlkvkalnagkicshkgvnlpgtdvdl
palsekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivkienqqgvn
nfdeilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqmlesmtynp
rptraevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaiaylpnyddm
rnctpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpiilvtrcpr
aarfshlyrgvfpfvfekepvsdwtddvearinfgiekakefgilkkgdtyvsiqgfkag
aghsntlqvstv