>3sm4_A mol:protein length:229 Exonuclease GSHMTPDIILQRTGIDVRAVEQGDDAWHKLRLGVITASEVHNVIAKPRSGKKWPDMKMS YFHTLLAEVCTGVAPEVNAKALAWGKQYENDARTLFEFTSGVNVTESPIIYRDESMRTA CSPDGLCSDGNGLELACPFTSRDFMKFRLGGFEAIKSAYMAQVQYSMWVTRKNAWYFAN YDPRMKREGLHYVVIERDEKYMASFDEIVPEFIEKMDEALAEIGFVFGEQWR