## NMR-STAR dictionary: database table: SpinSystem

Detailed description of the fields

### _Spin_system.ID (SpinSystemID)

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NMR-STAR tag name | _Spin_system.ID
Description | NMR-STAR name: _Spin_system.ID An integer value that uniquely identifies the spin system in the list.
Database field name | SpinSystemID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | ID
Examples | ?
Help text |

### _Spin_system.Entity_assembly_ID (EntityAssemblyID)

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NMR-STAR tag name | _Spin_system.Entity_assembly_ID
Description | NMR-STAR name: _Spin_system.Entity_assembly_ID Pointer to '_Entity_assembly.ID'
Database field name | EntityAssemblyID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Entity_assembly, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Entity assembly ID
Examples | ?
Help text |

### _Spin_system.Entity_ID (EntityID)

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NMR-STAR tag name | _Spin_system.Entity_ID
Description | NMR-STAR name: _Spin_system.Entity_ID Pointer to '_Entity.ID'
Database field name | EntityID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Entity, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Entity ID
Examples | ?
Help text |

### _Spin_system.Comp_index_ID (CompIndexID)

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NMR-STAR tag name | _Spin_system.Comp_index_ID
Description | NMR-STAR name: _Spin_system.Comp_index_ID Pointer to '_Entity_comp_index.ID'
Database field name | CompIndexID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Entity_comp_index, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Comp index ID
Examples | ?
Help text |

### _Spin_system.Comp_ID (CompID)

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NMR-STAR tag name | _Spin_system.Comp_ID
Description | NMR-STAR name: _Spin_system.Comp_ID Pointer to '_Chem_comp.ID'
Database field name | CompID
SQL Database type | CHAR(12)
Part of primary Key | no
Foreign Key on table, column | Chem_comp, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Comp ID
Examples | ?
Help text |

### _Spin_system.Sf_ID (SfID)

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NMR-STAR tag name | _Spin_system.Sf_ID
Description | NMR-STAR name: _Spin_system.Sf_ID Pointer to '_Resonance_linker_list.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Resonance_linker_list, Sf_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | yes This field's data is for internal use only and should be hidden in public versiond of the data.
Nulls allowed in database? | no
Prompt | Sf ID
Examples | ?
Help text |

### _Spin_system.Entry_ID (EntryID)

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NMR-STAR tag name | _Spin_system.Entry_ID
Description | NMR-STAR name: _Spin_system.Entry_ID Pointer to '_Entry.ID'
Database field name | EntryID
SQL Database type | CHAR(12)
Part of primary Key | yes
Foreign Key on table, column | Resonance_linker_list, Entry_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Entry ID
Examples | ?
Help text |

### _Spin_system.Resonance_linker_list_ID (ResonanceLinkerListID)

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NMR-STAR tag name | _Spin_system.Resonance_linker_list_ID
Description | NMR-STAR name: _Spin_system.Resonance_linker_list_ID Pointer to '_Resonance_linker_list.ID'
Database field name | ResonanceLinkerListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Resonance_linker_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Resonance linker list ID
Examples | ?
Help text |