>3mgxA (A:) observed residues (from ATOM records)
avdlgnpdlyttlerharwrelaaedamvwsdpgsspsgfwsvfshracaavlapsaplt
seygmmigfdrdhpdnsggrmmvvseheqhrklrklvgpllsraaarklaervrievgdv
lgrvldgevcdaataigpripaavvceilgvpaededmlidltnhafggedgmtprqaht
eilvyfdelitarrkepgddlvstlvtdddltiddvllncdnvliggnettrhaitgavh
alatvpglltalrdgsadvdtvveevlrwtspamhvlrvttadvtingrdlpsgtpvvaw
lpaanrdpaefddpdtflpgrkpnrhitfghgmhhclgsalarielsvvlrvlaervsrv
dlerepawlraivvqgyrelpvrftgr