>tr|Q49QF8|Q49QF8_9POXV DNA topoisomerase I OS=Vaccinia virus OX=10245 GN=H6R PE=3 SV=1 MRALFYKDGKLFTD EVLQHVKIP THLTDVVVYE FVGSDSKGRRQ FINKNIKKSSTDSN TMFFIRFGKMKYL TLKNKHIEISP LLKLTDDSSPEE IKQFGIRIKDLR QTAEVVGHTP