3.6.1.71	additional information	DNA deadenylation activity is metal-independent	754082	
3.6.1.71	Zn2+	binding of Aptx to duplex DNA is mediated by the C-terminal zinc finger domain, and efficient deadenylation requires the zinc finger	754079	
3.6.1.71	Zn2+	required	750417	
3.6.1.71	Zn2+	required, the APTX Zn2+-binding betabetaalpha core is structurally related to the ubiquitous family of DNA binding C2H2 transcription factors including the prototypical Zif268	752086