## NMR-STAR dictionary: database table: PDBXChemCompFeature

Detailed description of the fields

### _PDBX_chem_comp_feature.Type (Type)

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NMR-STAR tag name | _PDBX_chem_comp_feature.Type
Description | NMR-STAR name: _PDBX_chem_comp_feature.Type ?
Database field name | Type
SQL Database type | VARCHAR(255)
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 | Type
Examples | ?
Help text |

### _PDBX_chem_comp_feature.Value (Value)

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NMR-STAR tag name | _PDBX_chem_comp_feature.Value
Description | NMR-STAR name: _PDBX_chem_comp_feature.Value ?
Database field name | Value
SQL Database type | TEXT
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 | Value
Examples | ?
Help text |

### _PDBX_chem_comp_feature.Source (Source)

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NMR-STAR tag name | _PDBX_chem_comp_feature.Source
Description | NMR-STAR name: _PDBX_chem_comp_feature.Source ?
Database field name | Source
SQL Database type | VARCHAR(255)
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 | Source
Examples | ?
Help text |

### _PDBX_chem_comp_feature.Support (Support)

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NMR-STAR tag name | _PDBX_chem_comp_feature.Support
Description | NMR-STAR name: _PDBX_chem_comp_feature.Support The supporting evidence for this feature.
Database field name | Support
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 | Support
Examples | ?
Help text |

### _PDBX_chem_comp_feature.Sf_ID (SfID)

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NMR-STAR tag name | _PDBX_chem_comp_feature.Sf_ID
Description | NMR-STAR name: _PDBX_chem_comp_feature.Sf_ID Pointer to '_Chem_comp.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Chem_comp, 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 | ?
Help text |

### _PDBX_chem_comp_feature.Entry_ID (EntryID)

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NMR-STAR tag name | _PDBX_chem_comp_feature.Entry_ID
Description | NMR-STAR name: _PDBX_chem_comp_feature.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 | Chem_comp, 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 |

### _PDBX_chem_comp_feature.Comp_ID (CompID)

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