>3qd4A (A:) observed residues (from ATOM records)
ppqprkkrpedfkfgkilgegsfstvvlarelatsreyaikilekrhiikenkvpyvtre
rdvmsrldhpffvklyftfqddeklyfglsyakngellkyirkigsfdetctrfytaeiv
saleylhgkgiihrdlkpenillnedmhiqitdfgtakvlsgtaqyvspellteksacks
sdlwalgciiyqlvaglppfragneylifqkiikleydfpekffpkardlvekllvldat
krlgceemegygplkahpffesvtwenlhqqtppkl