## NMR-STAR dictionary: database table: NaturalSourceDb

Detailed description of the fields

### _Natural_source_db.Entity_natural_src_ID (EntityNaturalSrcID)

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NMR-STAR tag name | _Natural_source_db.Entity_natural_src_ID
Description | NMR-STAR name: _Natural_source_db.Entity_natural_src_ID Pointer to '_Entity_natural_src.ID'
Database field name | EntityNaturalSrcID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Entity_natural_src, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Natural source ID
Examples | ?
Help text |

### _Natural_source_db.Entity_ID (EntityID)

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NMR-STAR tag name | _Natural_source_db.Entity_ID
Description | NMR-STAR name: _Natural_source_db.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 | ?
Help text |

### _Natural_source_db.Entity_label (EntityLabel)

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NMR-STAR tag name | _Natural_source_db.Entity_label
Description | NMR-STAR name: _Natural_source_db.Entity_label Pointer to a saveframe of the category 'entity'
Database field name | EntityLabel
SQL Database type | VARCHAR(127)
Part of primary Key | no
Foreign Key on table, column | Entity, Sf_framecode
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Biopolymer label
Examples | ?
Help text |

### _Natural_source_db.Entity_chimera_segment_ID (EntityChimeraSegmentID)

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

### _Natural_source_db.Database_code (DatabaseCode)

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NMR-STAR tag name | _Natural_source_db.Database_code
Description | NMR-STAR name: _Natural_source_db.Database_code Code or abbreviation used by a database organization.
Database field name | DatabaseCode
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 | DB code
Examples | TAIR
Help text |

### _Natural_source_db.Database_type (DatabaseType)

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NMR-STAR tag name | _Natural_source_db.Database_type
Description | NMR-STAR name: _Natural_source_db.Database_type The kind of database where the data are located.
Database field name | DatabaseType
SQL Database type | VARCHAR(31)
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? | yes
Prompt | DB type
Examples | sequence; structure; genome
Help text |

### _Natural_source_db.Entry_code (EntryCode)

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NMR-STAR tag name | _Natural_source_db.Entry_code
Description | NMR-STAR name: _Natural_source_db.Entry_code The accession code assigned to the entry by the database.
Database field name | EntryCode
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 | Entry code
Examples | ?
Help text |

### _Natural_source_db.Entry_type (EntryType)

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NMR-STAR tag name | _Natural_source_db.Entry_type
Description | NMR-STAR name: _Natural_source_db.Entry_type Defines whether the current version of the entry is the original version or an updated version.
Database field name | EntryType
SQL Database type | VARCHAR(31)
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? | yes
Prompt | Entry type
Examples | original
Help text |

### _Natural_source_db.ORF_code (ORFCode)

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NMR-STAR tag name | _Natural_source_db.ORF_code
Description | NMR-STAR name: _Natural_source_db.ORF_code Code assigned to the open reading frame coding for a protein or nucleic acid.
Database field name | ORFCode
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 | ORF code
Examples | at1g01020
Help text |

### _Natural_source_db.Gene_locus_code (GeneLocusCode)

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NMR-STAR tag name | _Natural_source_db.Gene_locus_code
Description | NMR-STAR name: _Natural_source_db.Gene_locus_code Unique code assigned to the locus for the gene in the genome.
Database field name | GeneLocusCode
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 | Gene locus code
Examples | ?
Help text |

### _Natural_source_db.Gene_cDNA_code (GeneCDNACode)

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NMR-STAR tag name | _Natural_source_db.Gene_cDNA_code
Description | NMR-STAR name: _Natural_source_db.Gene_cDNA_code The unique code assigned to a cDNA sequence for the gene.
Database field name | GeneCDNACode
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 | Gene cDNA code
Examples | ?
Help text |

### _Natural_source_db.Sf_ID (SfID)

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

### _Natural_source_db.Entry_ID (EntryID)

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NMR-STAR tag name | _Natural_source_db.Entry_ID
Description | NMR-STAR name: _Natural_source_db.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 | Entity_natural_src_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 |

### _Natural_source_db.Entity_natural_src_list_ID (EntityNaturalSrcListID)

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NMR-STAR tag name | _Natural_source_db.Entity_natural_src_list_ID
Description | NMR-STAR name: _Natural_source_db.Entity_natural_src_list_ID Pointer to '_Entity_natural_src_list.ID'
Database field name | EntityNaturalSrcListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | Entity_natural_src_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Entity natural src list ID
Examples | ?
Help text |