>3sm4_B mol:protein length:229 Exonuclease GSHMTPDIILQRTGIDVRAVEQGDDAWHKLRLGVITASEVHNVIAKPRSGKKWPDMKMS YFHTLLAEVCTGVAPEVNAKALAWGKQYENDARTLFEFTSGVNVTESPIIYRDESMRTA CSPDGLCSDGNGLELACPFTSRDFMKFRLGGFEAIKSAYMAQVQYSMWVTRKNAWYFAN YDPRMKREGLHYVVIERDEKYMASFDEIVPEFIEKMDEALAEIGFVFGEQWR