>1b3bB (B:) observed residues (from ATOM records)
slyemaveqfnraaslmdlesdlaevlrrpkrvlivefpvrmddghvevftgyrvqhnva
rgpakggiryhpdvtldevkalafwmtwktavmdlpfgggkggvrvdpkklsrnelerls
rrffseiqviigpyndipapdvntnadviawymdtysmnvghtvlgivtgkpvelggskg
reeatgrgvkvcaglamdvlgidpkkatvavqgfgnvgqfaallisqelgskvvavsdsr
ggiynpegfdveelirykkehgtvvtypkgeritneelleldvdilvpaalegaihagna
erikakavvegangpttpeadeilsrrgilvvpdilanaggvtvsyfewvqdlqsffwdl
dqvrnalekmmkkafndvmkvkekynvdmrtaayilaidrvayatkkrg