>sp|P0DX66|CAP18_ECOKT 3'-5' DNA exonuclease Cap18 OS=Escherichia coli GN=cap18 MRTDKEIFVSVDVETSGPIPGKYSMLSIGACVAFEPSKQFSCYLKPISEDFIPAAMEVTG LSLEKLHVDGLDPVDAMVQFKEWINSVVKEDETVVFVGFNASFDWSFINYYFHVYLGDNP FGIAALDIKSMYFGVSHASWRLTRSSEIAKVVKPETYGDHDALHDARYQAELFRLIDKLS EKKKLDR