>1r6xA (A:) observed residues (from ATOM records)
paphggilqdliardalkknellseaqssdilvwnltprqlcdielilnggfspltgfln
endyssvvtdsrladgtlwtipitldvdeafanqikpdtrialfqddeipiailtvqdvy
kpnktieaekvfrgdpehpaisylfnvagdyyvggsleaiqlpqhydypglrktpaqlrl
efqsrqwdrvvafqtrnpmhrahreltvraareanakvlihpvvgltkpgdidhhtrvrv
yqeiikrypngiaflsllplamrmsgdreavwhaiirknygashfivgrdhagpgknskg
vdfygpydaqelvesykheldievvpfrmvtylpdedryapidqidttktrtlnisgtel
rrrlrvggeipewfsypevvkilres