>2w1aB (B:) observed residues (from ATOM records)
wtvdipidlpplptdlrtrldaalakpaaqqptwpadqalamrtvlesvppvtvpseivr
lqeqlaqvakgeafllqggdcaetfmdntephirgnvrallqmavvltygasmpvvkvar
iagqyakprsadidalglrsyrgdmingfapdaaarehdpsrlvrayanasaamnlvral
tssglaslhlvhdwnrefvrtspagaryealateidrglrfmsacgvaeiyashealvld
yeramlrlsdgddgepqlfdlsahtvwigertrqidgahiafaqvianpvgvklgpnmtp
elaveyverldphnkpgrltlvsrmgnhkvrdllppivekvqatghqviwqcdpmhgnth
esstgfktrhfdrivdevqgffevhralgthpggihveitgenvteclggaqdisetdla
gryetacdprlntqqslelaflvaemlrd