>6i72B (B:) observed residues (from ATOM records)
vsdeeanlfamqlasasvlpmvlkaaieldlleimakagpgsflspsdlasqlptknpea
pvmldrmlrllasysiltcslrtlpdgkverlyclgpvckfltknedgvsiaalclmnqd
kvlveswyhlkdavldggipfnkaygmtafdyhgtdprfnkvfnkgmadhstitmkkile
tykgfeglksivdvgggtgavvnmivskypsikginfdlphviedapqypgvqhvggdmf
vsvpkgnaifmkwichdwsdehcikflkncyaalpddgkvilaecilpvapdtslatkgv
vhmdvimlahnpggkerteqefealakgsgfqgirvccdafntyvieflkki