Go terms map to parent GO term: GO:0004518   nuclease activity
GOID
Link to GO
 Functional Category Description Protein Count
link to
protein list
GO:0004519 endonuclease activity Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks. 169
GO:0004540 ribonuclease activity Catalysis of the hydrolysis of phosphodiester bonds in chains of RNA. 31
GO:0004521 endoribonuclease activity Catalysis of the hydrolysis of ester linkages within ribonucleic acid by creating internal breaks. 25
GO:0008408 3'-5' exonuclease activity Catalysis of the hydrolysis of ester linkages within nucleic acids by removing nucleotide residues from the 3' end. 23
GO:0000175 3'-5'-exoribonuclease activity Catalysis of the sequential cleavage of mononucleotides from a free 3' terminus of an RNA molecule. 22
GO:0070551 endoribonuclease activity, cleaving siRNA-paired mRNA Catalysis of the endonucleolytic cleavage of the mRNA in a double-stranded RNA molecule formed by the base pairing of an mRNA with an siRNA, yielding 5'-phosphomonoesters. 19
GO:0004536 deoxyribonuclease activity Catalysis of the hydrolysis of ester linkages within deoxyribonucleic acid. 16
GO:0004520 endodeoxyribonuclease activity Catalysis of the hydrolysis of ester linkages within deoxyribonucleic acid by creating internal breaks. 13
GO:0004523 ribonuclease H activity Catalysis of the endonucleolytic cleavage of RNA in RNA-DNA hybrids to 5'-phosphomonoesters. 12
GO:0004527 exonuclease activity Catalysis of the hydrolysis of ester linkages within nucleic acids by removing nucleotide residues from the 3' or 5' end. 11
GO:0016891 endoribonuclease activity, producing 5'-phosphomonoesters Catalysis of the hydrolysis of ester linkages within ribonucleic acids by creating internal breaks to yield 5'-phosphomonoesters. 10
GO:0000014 single-stranded DNA specific endodeoxyribonuclease activity Catalysis of the hydrolysis of ester linkages within a single-stranded deoxyribonucleic acid molecule by creating internal breaks. 9
GO:0008409 5'-3' exonuclease activity Catalysis of the hydrolysis of ester linkages within nucleic acids by removing nucleotide residues from the 5' end. 9
GO:0004535 poly(A)-specific ribonuclease activity Catalysis of the exonucleolytic cleavage of poly(A) to 5'-AMP. 8
GO:0017108 5'-flap endonuclease activity Catalysis of the cleavage of a 5' flap structure in DNA, but not other DNA structures; processes the 5' ends of Okazaki fragments in lagging strand DNA synthesis. 8
GO:0043765 T/G mismatch-specific endonuclease activity Catalysis of the repair of T/G mismatches arising from deamination of 5-methylcytosine in DNA by nicking double-stranded DNA within the sequence CT(AT)GN or NT(AT)GG next to the mismatched thymidine residue. The incision is mismatch-dependent and strand-specific, in favor of the G-containing strand. The incision serves as a starting point for subsequent excision repair by DNA polymerase I, which excises thymidine and reinserts cytidine. 8
GO:0004532 exoribonuclease activity Catalysis of the sequential cleavage of mononucleotides from a free 5' or 3' terminus of an RNA molecule. 8
GO:0008309 double-stranded DNA specific exodeoxyribonuclease activity Catalysis of the sequential cleavage of mononucleotides from a free 5' or 3' terminus of a double-stranded DNA molecule. 7
GO:0045145 single-stranded DNA specific 5'-3' exodeoxyribonuclease activity Catalysis of the sequential cleavage of nucleotides (such as mononucleotides or dinucleotides) from a free 5' terminus of a single-stranded DNA molecule. 7
GO:0004534 5'-3' exoribonuclease activity Catalysis of the sequential cleavage of mononucleotides from a free 5' terminus of an RNA molecule. 6
GO:0004526 ribonuclease P activity Catalysis of the endonucleolytic cleavage of RNA, removing 5' extra nucleotides from tRNA precursor. 5
GO:0008419 RNA lariat debranching enzyme activity Catalysis of the hydrolysis of branched RNA structures that contain vicinal 2'-5'- and 3'-5'-phosphodiester bonds at a branch point nucleotide. 4
GO:0016888 endodeoxyribonuclease activity, producing 5'-phosphomonoesters Catalysis of the hydrolysis of ester linkages within deoxyribonucleic acids by creating internal breaks to yield 5'-phosphomonoesters. 4
GO:0004549 tRNA-specific ribonuclease activity Catalysis of the hydrolysis of phosphodiester bonds in tRNA molecules. 4
GO:0042781 3'-tRNA processing endoribonuclease activity Catalysis of the endonucleolytic cleavage of RNA, removing extra 3' nucleotides from tRNA precursor, generating 3' termini of tRNAs. A 3'-hydroxy group is left at the tRNA terminus and a 5'-phosphoryl group is left at the trailer molecule. 4
GO:0016890 site-specific endodeoxyribonuclease activity, specific for altered base Catalysis of the hydrolysis of ester linkages at specific sites within a deoxyribonucleic acid molecule by creating internal breaks. 3
GO:0004525 ribonuclease III activity Catalysis of the endonucleolytic cleavage of RNA with 5'-phosphomonoesters and 3'-OH termini; makes two staggered cuts in both strands of dsRNA, leaving a 3' overhang of 2 nt. 3
GO:0008296 3'-5'-exodeoxyribonuclease activity Catalysis of the sequential cleavage of mononucleotides from a free 3' terminus of a DNA molecule. 3
GO:0033897 ribonuclease T2 activity Catalysis of the two-stage endonucleolytic cleavage to nucleoside 3'-phosphates and 3'-phosphooligonucleotides with 2',3'-cyclic phosphate intermediates. 2
GO:0034611 oligoribonucleotidase activity Catalysis of the exonucleolytic cleavage of oligoribonucleotides to yield ribonucleoside 5'-phosphates. 2
GO:0008310 single-stranded DNA specific 3'-5' exodeoxyribonuclease activity Catalysis of the sequential cleavage of mononucleotides from a free 3' terminus of a single-stranded DNA molecule. 2
GO:0048256 flap endonuclease activity Catalysis of the cleavage of a flap structure in DNA, but not other DNA structures; processes the ends of Okazaki fragments in lagging strand DNA synthesis. 2
GO:0000171 ribonuclease MRP activity Catalysis of the site-specific cleavage of RNA by a catalytic RNA-mediated mechanism; substrates include the A3 site in the ITS1 of pre-rRNA. 1
GO:0008853 exodeoxyribonuclease III activity Catalysis of the degradation of double-stranded DNA. It acts progressively in a 3' to 5' direction, releasing 5'-phosphomononucleotides. 1
GO:0008859 exoribonuclease II activity Catalysis of the reaction: RNA + H2O = 5'-phosphomononucleotides. Cleaves RNA in the 3' to 5' direction. 1