endonuclease Serratia marcescens

en·do·nu·cle·ase Ser·ra·ti·a mar·ces·cens

(en'dō-nū'klē-ās sĕ-rā'shē-ă mar-ses'ens),
A nuclease (a nucleate oligonucleotidohydrolase) that forms oligonucleotides ending in 5'-phosphates from RNA and DNA; hydrolyzes both double-stranded and single-stranded polynucleic acids.