>6gxfB (B:) observed residues (from ATOM records)
pdladlfpgfgsewintssgrifarvggdgppllllhgfpqthvmwhrvapklaerfkvi
vadlpgygwsdmpesdeqhtpytkramakqlieameqlghvhfalaghdrgarvsyrlal
dspgrlsklavldilptyeywqrmnrayalkiyhwsflaqpaplpenllggdpdfyvkak
laswtragdlsafdpravehyriafadpmrrhvmcedyragayadfehdkidveagnkip
vpmlalwgasgiaqsaatpldvwrkwasdvqgapiesghflpeeapdqtaealvrffsaa