Ribonuclease HII Endonuclease that specifically degrades the RNA of RNA- DNA hybrids (By similarity). 255 EF_1653 MAKESIQAIKEALLTVTDATDERLASWREDERSGVQQAIKQWERRQLAKEKEWQLFKEMSQFEEAAYKKGHRLIAGIDEVGRGPLAGPVVTAAVILPKDCQLLGLNDSKKLSAKKRETLYNQIQEQAVAIGLGIADQGVIDQINIYQATKQAMKMAIDDLAFTPDYLLIDAMQLDVPQPQESLIKGDARSISIAAASIIAKVTRDRLMEEYDELYPGYGFKNNAGYGTKEHLLGLEKYGVTPIHRRTFAPIKDMI RNH2_ENTFA rnhB