
# Slot: reference

Link to a reference of your ligand, i.e., CCD, PubChem, etc.

URI: [https://w3id.org/oscem-schemas/latest/subtomo/reference](https://w3id.org/oscem-schemas/latest/subtomo/reference)


## Domain and Range

None &#8594;  <sub>0..1</sub> [String](types/String.md)

## Parents


## Children


## Used by

 * [Ligand](Ligand.md)
