>3r5xA (A:) observed residues (from ATOM records)
snamrigvimggvssekqvsimtgnemianldknkyeivpitlnekmdliekakdidfal
lalhgkygedgtvqgtleslgipysgsnmlssgicmdkniskkilryegietpdwieltk
medlnfdeldklgfplvvkpnsvgvkivydkdelismletvfewdsevviekyikgeeit
csifdgkqlpiisirhaaeffdynakyddastieevielpaelkervnkaslacykalkc
svyarvdmmvkdgipyvmevntlpgmtqasllpksadaagihysklldmiietslrvrke
eg