>1a27A (A:) observed residues (from ATOM records)
artvvlitgcssgiglhlavrlasdpsqsfkvyatlrdlktqgrlweaaralacppgsle
tlqldvrdsksvaaarervtegrvdvlvcnaglgllgplealgedavasvldvnvvgtvr
mlqaflpdmkrrgsgrvlvtgsvgglmglpfndvycaskfaleglceslavlllpfgvhl
sliecgpvhtafmekvlgspeevldrtdihtfhrfyqylahskqvfreaaqnpeevaevf
ltalrapkptlryftterflpllrmrlddpsgsnyvtamhrevfg