| Chain | GOid | namespace | contents |
| A | 0008168 | molecular_function | methyltransferase activity |
| A | 0008276 | molecular_function | protein methyltransferase activity |
| A | 0052699 | biological_process | ergothioneine biosynthetic process |
| A | 0052704 | biological_process | ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide |
| A | 0052706 | molecular_function | L-histidine N(alpha)-methyltransferase activity |
| B | 0008168 | molecular_function | methyltransferase activity |
| B | 0008276 | molecular_function | protein methyltransferase activity |
| B | 0052699 | biological_process | ergothioneine biosynthetic process |
| B | 0052704 | biological_process | ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide |
| B | 0052706 | molecular_function | L-histidine N(alpha)-methyltransferase activity |