>3ixtL (L:) observed residues (from ATOM records)
diqmtqspstlsasvgdrvtitcsassrvgymhwyqqkpgkapklliydtsklasgvpsr
fsgsgsgteftltisslqpddfatyycfqgsgypftfgggtkveikrtvaapsvfifpps
deqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstltl
skadyekhkvyacevthqglsspvtksfnrg