## NMR-STAR dictionary: database table: StructAsym

Detailed description of the fields

### _Struct_asym.ID (StructAsymID)

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NMR-STAR tag name | _Struct_asym.ID
Description | NMR-STAR name: _Struct_asym.ID The value of '_Struct_asym.ID' must uniquely identify a record in the STRUCT_ASYM list. Note that this item need not be a number; it can be any unique identifier.
Database field name | StructAsymID
SQL Database type | CHAR(12)
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 | 1
Help text |

### _Struct_asym.Entity_ID (EntityID)

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NMR-STAR tag name | _Struct_asym.Entity_ID
Description | NMR-STAR name: _Struct_asym.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? | yes
Prompt | Entity ID
Examples | 1
Help text |

### _Struct_asym.PDBX_blank_PDB_chainid_flag (PDBXBlankPDBChainidFlag)

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NMR-STAR tag name | _Struct_asym.PDBX_blank_PDB_chainid_flag
Description | NMR-STAR name: _Struct_asym.PDBX_blank_PDB_chainid_flag A flag indicating that this entity was originally labeled with a blank PDB chain id.
Database field name | PDBXBlankPDBChainidFlag
SQL Database type | VARCHAR(3)
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Enumerations | [click for a list of enumerations] This is a closed enumeration. The list of values are the only ones allowed.
Prompt | PDBX blank PDB chainid flag
Examples | no
Help text |

### _Struct_asym.PDBX_modified (PDBXModified)

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NMR-STAR tag name | _Struct_asym.PDBX_modified
Description | NMR-STAR name: _Struct_asym.PDBX_modified This data item indicates whether the structural elements are modified.
Database field name | PDBXModified
SQL Database type | VARCHAR(3)
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Enumerations | [click for a list of enumerations] This is a closed enumeration. The list of values are the only ones allowed.
Prompt | PDBX modified
Examples | yes
Help text |

### _Struct_asym.Details (Details)

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NMR-STAR tag name | _Struct_asym.Details
Description | NMR-STAR name: _Struct_asym.Details A description of special aspects of this portion of the contents of the asymmetric unit.
Database field name | Details
SQL Database type | TEXT
Part of primary Key | no
Foreign Key on table, column | ,
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Details
Examples | ?
Help text |

### _Struct_asym.Sf_ID (SfID)

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NMR-STAR tag name | _Struct_asym.Sf_ID
Description | NMR-STAR name: _Struct_asym.Sf_ID Pointer to '_Assembly.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Assembly, 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? | yes
Prompt | Sf ID
Examples | 1
Help text |

### _Struct_asym.Entry_ID (EntryID)

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NMR-STAR tag name | _Struct_asym.Entry_ID
Description | NMR-STAR name: _Struct_asym.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 | Assembly, Entry_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Entry ID
Examples | 1
Help text |

### _Struct_asym.Assembly_ID (AssemblyID)

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NMR-STAR tag name | _Struct_asym.Assembly_ID
Description | NMR-STAR name: _Struct_asym.Assembly_ID Pointer to '_Assembly.ID'
Database field name | AssemblyID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Assembly, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Assembly ID
Examples | 1
Help text |