| Chain | GOid | namespace | contents |
| A | 0016829 | molecular_function | lyase activity |
| A | 0016846 | molecular_function | carbon-sulfur lyase activity |
| A | 0052699 | biological_process | ergothioneine biosynthetic process |
| A | 0052704 | biological_process | ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide |
| A | 1990411 | molecular_function | hercynylcysteine sulfoxide lyase activity (ergothioneine-forming) |
| B | 0016829 | molecular_function | lyase activity |
| B | 0016846 | molecular_function | carbon-sulfur lyase activity |
| B | 0052699 | biological_process | ergothioneine biosynthetic process |
| B | 0052704 | biological_process | ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide |
| B | 1990411 | molecular_function | hercynylcysteine sulfoxide lyase activity (ergothioneine-forming) |
| C | 0016829 | molecular_function | lyase activity |
| C | 0016846 | molecular_function | carbon-sulfur lyase activity |
| C | 0052699 | biological_process | ergothioneine biosynthetic process |
| C | 0052704 | biological_process | ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide |
| C | 1990411 | molecular_function | hercynylcysteine sulfoxide lyase activity (ergothioneine-forming) |
| D | 0016829 | molecular_function | lyase activity |
| D | 0016846 | molecular_function | carbon-sulfur lyase activity |
| D | 0052699 | biological_process | ergothioneine biosynthetic process |
| D | 0052704 | biological_process | ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide |
| D | 1990411 | molecular_function | hercynylcysteine sulfoxide lyase activity (ergothioneine-forming) |