| Name | Description |
|---|---|
| ActivatorConnector | Icon for a connector between activators and reactions |
| InhibitorConnector | Icon for a connector between inhibitors and reactions |
| ModifierConnector | Icon for a connector between general modifieres and reactions |
| ProductConnector | Icon for a connector between substances and reactions (product side of reaction) |
| SubstanceConnector | Icon for a connector between substances and reactions |
| SubstrateConnector | Icon for a connector between substances and reactions (substrate side of reaction) |