>1gxnA (A:) observed residues (from ATOM records)
tgrmltldgnpaanwlnnartkwsasradvvlsyqqnnggwpknldynsvgnggggnesg
tidngatitemvflaevyksggntkyrdavrkaanflvnsqystgalpqfyplkggysdh
atfndngmayaltvldfaankrapfdtdvfsdndrtrfktavtkgtdyilkaqwkqngvl
tvwcaqhgaldyqpkkarayeleslsgsesvgvlaflmtqpqtaeieqavragvawfnsp
rtylegytydsslaatnpivpragskmwyrfydlntnrgffsdrdgskfyditqmslerr
tgyswggnygtsiinfaqkvgyl