Lysine degradation
Toxoplasma gondii and Neospora caninum have saccharopine dehydrogenase which catalyse the degradation of lysine. This pathway also includes large number of genes coding histone-lysine N-methyltransferase which catalyses protein methylation and acylaminoacyl-peptidase, which hydrolyses trimethyl-lysine from protein.
Enzyme | EC Number | Gene id |
---|---|---|
Saccharopine dehydrogenase | 1.5.1.7 | NCLIV_052240 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_001510 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_002210 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_011360 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_025110 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_028480 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_029100 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_040830 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_043370 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_046190 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_055430 |
Histone-lysine N-methyltransferase | 2.1.1.43 | NCLIV_060040 |
Acylaminoacyl-peptidase | 3.4.19.1 | NCLIV_063570 |
Lysine-tRNA ligase | 6.1.1.6 | NCLIV_012460 |
Lysine-tRNA ligase | 6.1.1.6 | NCLIV_019960 |
List of genes annotated as tRNA-Lys in N. caninum genome
NC_LIV_tRNA_070001 | NC_LIV_tRNA_070002 | NC_LIV_tRNA_070003 | NC_LIV_tRNA_100016 |
NC_LIV_tRNA_100017 | NC_LIV_tRNA_100018 | NC_LIV_tRNA_120004 | NC_LIV_tRNA_130013 |
NC_LIV_tRNA_130015 | NC_LIV_tRNA_140007 |
Sources and fates of metabolites
Substrate | Source pathways | Product | Fate pathways |
---|---|---|---|
Lysine | Lysine biosynthesis | Saccharopine | Host? |
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