>6pu3A (A:) observed residues (from ATOM records)
svkeqkrfggvlvfargadgssmdpalvtdgesyvatgniydtlvqfkygtteiepalat
swdispdglvytfhlrkgvyfhqtkywnkkvefsakdvlfsferqmdkakryyspgaksy
kywegmgmshiiksiealddytirftlngpeapflanlgmdflsilskdyadyleqnnkk
delakkpvgtgpfkfflwnkdekiillknqdywgpkayldkvvvrtipnsstralalrtg
eimlmtgpnlneveqleklpnivvdksagllaswlslntqkkyfnnplvrlainhainvd
dyikviyegfaqkmvnpfpptiwgynynikpyeydlkkakellkqagypngfkttiftts
trnpkgavfiqaslakigidvkievyewgaylkrtglgehemafagwmadiadpdnflyt
lwskqaasaiptqngsfyksdafsdllikakrvsdqkerealylkaqeiihkdapyvpla
ypysvvphlskvkgykttgvsvnrffkvylek