| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0042800 | histone methyltransferase activity (H3-K4 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + histone H3 L-lysine (position 4) = S-adenosyl-L-homocysteine + histone H3 N6-methyl-L-lysine (position 4). This reaction is the addition of a methyl group onto lysine at position 4 of the histone H3 protein. | 13 |
| GO:0042054 | histone methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + histone = S-adenosyl-L-homocysteine + methyl-histone. Histone methylation generally occurs on either an arginine or lysine residue. | 8 |
| GO:0046974 | histone methyltransferase activity (H3-K9 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + histone H3 L-lysine (position 9) = S-adenosyl-L-homocysteine + histone H3 N6-methyl-L-lysine (position 9). This reaction is the addition of a methyl group onto lysine at position 9 of the histone H3 protein. | 7 |
| GO:0008757 | S-adenosylmethionine-dependent methyltransferase activity | Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to a substrate. | 6 |
| GO:0035242 | protein-arginine omega-N asymmetric methyltransferase activity | Catalysis of the addition of a second methyl group to methylated peptidyl-arginine. Methylation is on the same terminal nitrogen (omega nitrogen) residue that was previously methylated, resulting in asymmetrical peptidyl-N(omega),N(omega)-dimethylated arginine residues. | 4 |
| GO:0044020 | histone methyltransferase activity (H4-R3 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + (histone H4)-arginine (position 3) = S-adenosyl-L-homocysteine + (histone H4)-N-methyl-arginine (position 3). This reaction is the addition of a methyl group to arginine at position 3 of histone H4. | 4 |
| GO:0018024 | histone-lysine N-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + histone L-lysine = S-adenosyl-L-homocysteine + histone N6-methyl-L-lysine. The methylation of peptidyl-lysine in histones forms N6-methyl-L-lysine, N6,N6-dimethyl-L-lysine and N6,N6,N6-trimethyl-L-lysine derivatives. | 4 |
| GO:0035241 | protein-arginine omega-N monomethyltransferase activity | Catalysis of the addition of a methyl group to either of the unmethylated terminal nitrogen atoms (also called omega nitrogen) in peptidyl-arginine to form an omega-N-G-monomethylated arginine residue. | 4 |
| GO:0008173 | RNA methyltransferase activity | Catalysis of the transfer of a methyl group from a donor to a nucleoside residue in an RNA molecule. | 3 |
| GO:0004799 | thymidylate synthase activity | Catalysis of the reaction: 5,10-methylenetetrahydrofolate + dUMP = 7,8-dihydrofolate + thymidylate. | 3 |
| GO:0009019 | tRNA (guanine-N1-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing N1-methylguanine. | 3 |
| GO:0042799 | histone methyltransferase activity (H4-K20 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + histone H4 L-lysine (position 20) = S-adenosyl-L-homocysteine + histone H4 N6-methyl-L-lysine (position 20). This reaction is the addition of a methyl group onto lysine at position 20 of the histone H4 protein. | 2 |
| GO:0071424 | rRNA (cytosine-N4-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + rRNA = S-adenosyl-L-homocysteine + rRNA containing N4-methylcytosine. | 2 |
| GO:0046976 | histone methyltransferase activity (H3-K27 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + histone H3 L-lysine (position 27) = S-adenosyl-L-homocysteine + histone H3 N6-methyl-L-lysine (position 27). This reaction is the addition of a methyl group onto lysine at position 27 of the histone H3 protein. | 2 |
| GO:0008276 | protein methyltransferase activity | Catalysis of the transfer of a methyl group (CH3-) to a protein. | 2 |
| GO:0004719 | protein-L-isoaspartate (D-aspartate) O-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + protein L-beta-aspartate = S-adenosyl-L-homocysteine + protein L-beta-aspartate methyl ester. | 2 |
| GO:0071164 | RNA trimethylguanosine synthase activity | Catalysis of two successive methyl transfer reactions from AdoMet to the N-2 atom of guanosine, thereby converting 7-methylguanosine in an RNA cap to 2,2,7 trimethylguanosine. | 2 |
| GO:0016274 | protein-arginine N-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + (protein)-arginine = S-adenosyl-L-homocysteine + (protein)-N-methyl-arginine. | 2 |
| GO:0008650 | rRNA (uridine-2'-O-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + rRNA = S-adenosyl-L-homocysteine + rRNA containing 2'-O-methyluridine. | 1 |
| GO:0070611 | histone methyltransferase activity (H3-R2 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + (histone H3)-arginine (position 2) = S-adenosyl-L-homocysteine + (histone H3)-N-methyl-arginine (position 2). This reaction is the addition of a methyl group to arginine at position 2 of histone H3. | 1 |
| GO:0036009 | protein-glutamine N-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + protein L-glutamine = S-adenosyl-L-homocysteine + protein N-methyl-L-glutamine. | 1 |
| GO:0046975 | histone methyltransferase activity (H3-K36 specific) | Catalysis of the reaction: S-adenosyl-L-methionine + histone H3 L-lysine (position 36) = S-adenosyl-L-homocysteine + histone H3 N6-methyl-L-lysine (position 36). This reaction is the addition of a methyl group onto lysine at position 36 of the histone H3 protein. | 1 |
| GO:0051718 | DNA (cytosine-5-)-methyltransferase activity, acting on CpG substrates | Catalysis of the reaction: S-adenosyl-L-methionine + CpG (in DNA) = S-adenosyl-L-homocysteine + 5-MeCpG (in DNA). | 1 |
| GO:0004483 | mRNA (nucleoside-2'-O-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + m7G(5')pppR-RNA = S-adenosyl-L-homocysteine + m7G(5')pppRm-RNA. R may be guanosine or adenosine. | 1 |
| GO:0035243 | protein-arginine omega-N symmetric methyltransferase activity | Catalysis of the addition of a second methyl group to methylated peptidyl-arginine. Methylation is on the terminal nitrogen (omega nitrogen) residue that is not already methylated, resulting in symmetrical peptidyl-N(omega),N'(omega)-dimethyled arginine residues. | 1 |
| GO:0004164 | diphthine synthase activity | Catalysis of the reaction: S-adenosyl-L-methionine + 2-(3-carboxy-3-aminopropyl)-L-histidine = S-adenosyl-L-homocysteine + 2-(3-carboxy-3-(methylammonio)propyl)-L-histidine. | 1 |
| GO:0016427 | tRNA (cytosine) methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing methylcytosine. | 1 |
| GO:0016422 | mRNA (2'-O-methyladenosine-N6-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + m(7)G(5')pppAm = S-adenosyl-L-homocysteine + m(7)G(5')pppm(6)Am. | 1 |
| GO:0071885 | N-terminal protein N-methyltransferase activity | Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine (AdoMet) to the alpha-amino group of the N-terminal amino or imino acid residue of a protein substrate. For example, yeast Tae1p and mammalian family member METTL11A preferentially modify the N-terminal residue of substrates with the N-terminal sequence X-Pro-Lys, where X can be Pro, Ala, or Ser. | 1 |
| GO:0052909 | 18S rRNA (adenine(1779)-N(6)/adenine(1780)-N(6))-dimethyltransferase activity | Catalysis of the reaction: 4 S-adenosyl-L-methionine + adenine(1779)/adenine(1780) in 18S rRNA = 4 S-adenosyl-L-homocysteine + N(6)-dimethyladenine(1779)/N(6)-dimethyladenine(1780) in 18S rRNA. | 1 |
| GO:0000179 | rRNA (adenine-N6,N6-)-dimethyltransferase activity | Catalysis of the dimethylation two adjacent A residues in the loop closing the 3'-terminal stem of the 18S rRNA, using S-adenosyl-L-methionine as a methyl donor. | 1 |
| GO:0070037 | rRNA (pseudouridine) methyltransferase activity | Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to a pseudouridine residue in an rRNA molecule. | 1 |
| GO:0016423 | tRNA (guanine) methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing methylguanine. | 1 |
| GO:0043333 | 2-octaprenyl-6-methoxy-1,4-benzoquinone methyltransferase activity | Catalysis of the reaction: 2-octaprenyl-6-methoxy-1,4-benzoquinone + S-adenosyl-L-methionine = 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinone + S-adenosyl-L-homocysteine. | 1 |
| GO:0016428 | tRNA (cytosine-5-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing 5-methylcytosine. | 1 |
| GO:0008469 | histone-arginine N-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + (histone)-arginine = S-adenosyl-L-homocysteine + (histone)-N-methyl-arginine. | 1 |
| GO:0008176 | tRNA (guanine-N7-)-methyltransferase activity | Catalysis of the reaction: S-adenosyl-L-methionine + tRNA = S-adenosyl-L-homocysteine + tRNA containing N7-methylguanine. | 1 |