>8un9_B mol:protein length:247 Exonuclease MrfBDDIPFLEEWEAFGMKPFIFEDEYCLIREVEYPLSHRHGLYSFSELEEVITLWNQSGLSHTLSAKGYNKNNLFFFDTETTGLGGGAGNTIFLLGHARVYEDRVTVKQHLLPKPGNEVALYQSFLSEVDITSLVTYNGKAFDWPQVKTRHTLIRDRLPKLPEFGHFDLLHGARRLWKHKMDRVSLGTVEKEELGIRRLEDTPGYLAPMLYFHFIKAQEPDLLKGVLHHNEMDVLSLISLYIHMSKKILS