--- search: boost: 5.0 --- # Slot: atom_count _Number of atoms in a molecule._
URI: [https://CCPBioSim.ac.uk/biosim-schema/atom_count](https://CCPBioSim.ac.uk/biosim-schema/atom_count) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [MoleculeID](../classes/MoleculeID.md) | Identifiers of a molecule type in the simulated system | no | ## Properties ### Type and Range | Property | Value | | --- | --- | | Range | [integer](../types/integer.md) | | Domain Of | [MoleculeID](../classes/MoleculeID.md) | ### Cardinality and Requirements | Property | Value | | --- | --- | ### Value Constraints | Property | Value | | --- | --- | | Minimum Value | 0 | ## Examples | Value | | --- | | 1 | ## Identifier and Mapping Information ### Annotations | property | value | | --- | --- | | engine_mapping | [{'engine': 'toptrajparser', 'key': 'atom_count'}] | ### Schema Source * from schema: https://CCPBioSim.ac.uk/biosim-schema/ ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | https://CCPBioSim.ac.uk/biosim-schema/atom_count | | native | https://CCPBioSim.ac.uk/biosim-schema/atom_count | ## LinkML Source ```yaml name: atom_count annotations: engine_mapping: tag: engine_mapping value: - engine: toptrajparser key: atom_count description: Number of atoms in a molecule. examples: - value: '1' from_schema: https://CCPBioSim.ac.uk/biosim-schema/ rank: 1000 domain_of: - MoleculeID range: integer minimum_value: 0 ```