>7t2s_A mol:protein length:187 3'-5' exonucleaseMRTDKEIFVSVDVETSGPIPGKYSMLSIGACVAFEPSKQFSCYLKPISEDFIPAAMEVTGLSLEKLHVDGLDPVDAMVQFKEWINSVVKEDETVVFVGFNASFDWSFINYYFHVYLGDNPFGIAALDIKSMYFGVSHASWRLTRSSEIAKVVKPETYGDHDALHDARYQAELFRLIDKLSEKKKLDR