## NMR-STAR dictionary: database table: ChemCompDbLink

Detailed description of the fields

### _Chem_comp_db_link.Author_supplied (AuthorSupplied)

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NMR-STAR tag name | _Chem_comp_db_link.Author_supplied
Description | NMR-STAR name: _Chem_comp_db_link.Author_supplied A code indicating if the database link was provided by the author of the deposition (yes) or by another source (no).
Database field name | AuthorSupplied
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 | Author supplied
Examples | ?
Help text |

### _Chem_comp_db_link.Database_code (DatabaseCode)

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NMR-STAR tag name | _Chem_comp_db_link.Database_code
Description | NMR-STAR name: _Chem_comp_db_link.Database_code Enter the abbreviation or acronym for the database site for the entry for the chemical compound.
Database field name | DatabaseCode
SQL Database type | VARCHAR(127)
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 | Database abbreviation or acronym
Examples | PDB
Help text |

### _Chem_comp_db_link.Accession_code (AccessionCode)

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NMR-STAR tag name | _Chem_comp_db_link.Accession_code
Description | NMR-STAR name: _Chem_comp_db_link.Accession_code Enter the accession code for the chemical compound from the database listed.
Database field name | AccessionCode
SQL Database type | VARCHAR(31)
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 | Database accession code
Examples | HEM
Help text |

### _Chem_comp_db_link.Accession_code_type (AccessionCodeType)

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NMR-STAR tag name | _Chem_comp_db_link.Accession_code_type
Description | NMR-STAR name: _Chem_comp_db_link.Accession_code_type ?
Database field name | AccessionCodeType
SQL Database type | VARCHAR(127)
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 | Accession code type
Examples | ?
Help text |

### _Chem_comp_db_link.Entry_mol_code (EntryMolCode)

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NMR-STAR tag name | _Chem_comp_db_link.Entry_mol_code
Description | NMR-STAR name: _Chem_comp_db_link.Entry_mol_code Code used by the database for the molecule.
Database field name | EntryMolCode
SQL Database type | VARCHAR(127)
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 | Entry mol code
Examples | ?
Help text |

### _Chem_comp_db_link.Entry_mol_name (EntryMolName)

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NMR-STAR tag name | _Chem_comp_db_link.Entry_mol_name
Description | NMR-STAR name: _Chem_comp_db_link.Entry_mol_name Name given by the database to the molecule.
Database field name | EntryMolName
SQL Database type | VARCHAR(127)
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 | Entry mol name
Examples | ?
Help text |

### _Chem_comp_db_link.Entry_experimental_method (EntryExperimentalMethod)

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NMR-STAR tag name | _Chem_comp_db_link.Entry_experimental_method
Description | NMR-STAR name: _Chem_comp_db_link.Entry_experimental_method If appropriate, list the experimental technique (NMR, mass spectrometry, X-ray crystallography) that was used to collect the data in the entry at the database listed.
Database field name | EntryExperimentalMethod
SQL Database type | VARCHAR(127)
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 | Experimental method of data collection
Examples | NMR
Help text |

### _Chem_comp_db_link.Entry_relation_type (EntryRelationType)

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NMR-STAR tag name | _Chem_comp_db_link.Entry_relation_type
Description | NMR-STAR name: _Chem_comp_db_link.Entry_relation_type Describe the relationship between the entry in the listed database and this BMRB entry. This might include the physical properties of the compound or the position of the compound in a metabolic pathway, for example.
Database field name | EntryRelationType
SQL Database type | VARCHAR(127)
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 | Relationship to BMRB entry
Examples | Physical properties of the compound
Help text |

### _Chem_comp_db_link.Entry_details (EntryDetails)

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NMR-STAR tag name | _Chem_comp_db_link.Entry_details
Description | NMR-STAR name: _Chem_comp_db_link.Entry_details If appropriate, additional text information regarding the entry in the listed database can be entered in this field.
Database field name | EntryDetails
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 for the database entry
Examples | A variety of physical parameters are available from this site, including pKa values and UV absorption data for protoporphyrin IX.
Help text |

### _Chem_comp_db_link.Sf_ID (SfID)

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NMR-STAR tag name | _Chem_comp_db_link.Sf_ID
Description | NMR-STAR name: _Chem_comp_db_link.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 |

### _Chem_comp_db_link.Entry_ID (EntryID)

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NMR-STAR tag name | _Chem_comp_db_link.Entry_ID
Description | NMR-STAR name: _Chem_comp_db_link.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 |

### _Chem_comp_db_link.Comp_ID (CompID)

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NMR-STAR tag name | _Chem_comp_db_link.Comp_ID
Description | NMR-STAR name: _Chem_comp_db_link.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 |