--- search: boost: 5.0 --- # Slot: system_charge _Total electrostatic charge of the system given by the elementary charge (e)._
URI: [https://CCPBioSim.ac.uk/biosim-schema/system_charge](https://CCPBioSim.ac.uk/biosim-schema/system_charge) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | | [Particles](../classes/Particles.md) | Particle information included in the topology | no | ## Properties ### Type and Range | Property | Value | | --- | --- | | Range | [ChargeQuantity](../classes/ChargeQuantity.md) | | Domain Of | [Particles](../classes/Particles.md) | ### Cardinality and Requirements | Property | Value | | --- | --- | ### Value Constraints | Property | Value | | --- | --- | | Regex Pattern | `^[+-]?\d+(\.\d+)?$` | ## Identifier and Mapping Information ### Annotations | property | value | | --- | --- | | engine_mapping | [{'engine': 'toptrajparser', 'key': 'system_charge', 'unit': 'e'}] | ### Schema Source * from schema: https://CCPBioSim.ac.uk/biosim-schema/ ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | https://CCPBioSim.ac.uk/biosim-schema/system_charge | | native | https://CCPBioSim.ac.uk/biosim-schema/system_charge | ## LinkML Source ```yaml name: system_charge annotations: engine_mapping: tag: engine_mapping value: - engine: toptrajparser key: system_charge unit: e description: Total electrostatic charge of the system given by the elementary charge (e). from_schema: https://CCPBioSim.ac.uk/biosim-schema/ rank: 1000 domain_of: - Particles range: ChargeQuantity pattern: ^[+-]?\d+(\.\d+)?$ ```