>3slpB (B:) observed residues (from ATOM records)
mtpdiilqrtgidvraveqgddawhklrlgvitasevhnviakprsgkkwpdmkmsyfht
llaevctgvapevnakalawgkqyendartlfeftsgvnvtespiiyrdesmrtacspdg
lcsdgnglelkcpftsrdfmkfrlggfeaiksaymaqvqysmwvtrknawyfanydprmk
reglhyvvierdekymasfdeivpefiekmdealaeigfvfgeqwr