| GO term | GO name | GO namespace | GO def |
| GO:0005515 | protein binding | molecular_function | Binding to a protein. [GOC:go_curators] |
| GO:0008649 | rRNA methyltransferase activity | molecular_function | Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to a nucleoside residue in an rRNA molecule. [GOC:mah] |
| GO:0009383 | rRNA (cytosine-C5-)-methyltransferase activity | molecular_function | Catalysis of the transfer of a methyl group from S-adenosyl-L-methionine to cytosine to form 5-methylcytosine in small subunit ribosomal RNA. [GOC:imk, PMID:10026269, PMID:18786544] |
| GO:0016428 | tRNA (cytidine-5-)-methyltransferase activity | molecular_function | Catalysis of the reaction |
| GO:0019843 | rRNA binding | molecular_function | Binding to a ribosomal RNA. [GOC:jl] |
| GO:0031167 | rRNA methylation | biological_process | The posttranscriptional addition of methyl groups to specific residues in an rRNA molecule. [GOC:mah] |
| GO:0005759 | mitochondrial matrix | cellular_component | The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation. [GOC:as, ISBN:0198506732] |
| GO:0005762 | mitochondrial large ribosomal subunit | cellular_component | The larger of the two subunits of a mitochondrial ribosome. Two sites on the ribosomal large subunit are involved in translation |
| GO:0008168 | methyltransferase activity | molecular_function | Catalysis of the transfer of a methyl group to an acceptor molecule. [ISBN:0198506732] |