>1a3xB (B:) SEQRES residues
msrlerltslnvvagsdlrrtsiigtigpktnnpetlvalrkaglnivrmnfshgsyeyh
ksvidnarkseelypgrplaialdtkgpeirtgtttndvdypippnhemifttddkyaka
cddkimyvdyknitkvisagriiyvddgvlsfqvlevvddktlkvkalnagkicshkgvn
lpgtdvdlpalsekdkedlrfgvkngvhmvfasfirtandvltirevlgeqgkdvkiivk
ienqqgvnnfdeilkvtdgvmvargdlgieipapevlavqkkliaksnlagkpvicatqm
lesmtynprptraevsdvgnaildgadcvmlsgetakgnypinavttmaetaviaeqaia
ylpnyddmrnctpkptsttetvaasavaavfeqkakaiivlstsgttprlvskyrpncpi
ilvtrcpraarfshlyrgvfpfvfekepvsdwtddvearinfgiekakefgilkkgdtyv
siqgfkagaghsntlqvstv