>3r23A (A:) observed residues (from ATOM records)
amrigvimggvssekqvsimtgnemianldknkyeivpitlnekmdliekakdidfalla
lhgkygedgtvqgtleslgipysgsnmlssgicmdkniskkilryegietpdwieltkme
dlnfdeldklgfplvvkpnsggssvgvkivydkdelismletvfewdsevviekyikgee
itcsifdgkqlpiisirhaaeffdynakyddastieevielpaelkervnkaslacykal
kcsvyarvdmmvkdgipyvmevntlpgmtqasllpksadaagihysklldmiietslrvr
keeg