## NMR-STAR dictionary: database table: Sample

Detailed description of the fields

### _Sample.Sf_category (SfCategory)

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NMR-STAR tag name | _Sample.Sf_category
Description | NMR-STAR name: _Sample.Sf_category Category assigned to the information in the saveframe.
Database field name | SfCategory
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? | yes
Prompt | Sf category
Examples | ?
Help text |

### _Sample.Sf_framecode (SfFramecode)

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NMR-STAR tag name | _Sample.Sf_framecode
Description | NMR-STAR name: _Sample.Sf_framecode Provide a name for the sample that uniquely identifies this sample from the other samples listed in the entry.
Database field name | SfFramecode
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? | yes
Prompt | Sample label
Examples | ?
Help text |

### _Sample.Entry_ID (EntryID)

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

### _Sample.Sf_ID (SfID)

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NMR-STAR tag name | _Sample.Sf_ID
Description | NMR-STAR name: _Sample.Sf_ID An integer value that is the unique identifier for the saveframe that applies across the archive. This value is not stable and may be reassigned each time the data are loaded into a database system.
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | ,
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 |

### _Sample.ID (SampleID)

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NMR-STAR tag name | _Sample.ID
Description | NMR-STAR name: _Sample.ID A value that uniquely identifies the sample described from the other samples listed in the entry.
Database field name | SampleID
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 |

### _Sample.Type (Type)

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NMR-STAR tag name | _Sample.Type
Description | NMR-STAR name: _Sample.Type Please select a descriptive term for the sample that defines the general physical properties of the sample.
Database field name | Type
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? | yes
Enumerations | [click for a list of enumerations] This is an open enumeration. The list of values are only suggestions. They are not enforced.
Prompt | Sample type
Examples | solution
Help text |

### _Sample.Sub_type (SubType)

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NMR-STAR tag name | _Sample.Sub_type
Description | NMR-STAR name: _Sample.Sub_type Solid and solution NMR samples of different types are often used. Please select the specific type of sample used.
Database field name | SubType
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 | Sub type
Examples | polycrystalline
Help text |

### _Sample.Details (Details)

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NMR-STAR tag name | _Sample.Details
Description | NMR-STAR name: _Sample.Details A more detailed description of the sample may be provided. Any atypical components, conditions, or handling procedures may be noted and their importance discussed.
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 | Sample details
Examples | The added glycerol was used to raise the viscosity of the solution to 1.05 poisson.
Help text |

### _Sample.Aggregate_sample_number (AggregateSampleNumber)

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NMR-STAR tag name | _Sample.Aggregate_sample_number
Description | NMR-STAR name: _Sample.Aggregate_sample_number Enter the total number of samples represented by the concentration value (range) reported. Often more than one 15N or 13C;15N labeled sample is required to collect all of the data required to assign the spectra of a protein or nucleic acid. If this is the case for the study reported in this deposition, the total number of samples used matching the contents and concentrations supplied can be entered in this field.
Database field name | AggregateSampleNumber
SQL Database type | INTEGER
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 | Aggregate sample number
Examples | 3
Help text |

### _Sample.Solvent_system (SolventSystem)

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NMR-STAR tag name | _Sample.Solvent_system
Description | NMR-STAR name: _Sample.Solvent_system The solvent components of the sample are entered in this field.
Database field name | SolventSystem
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
Enumerations | [click for a list of enumerations] This is an open enumeration. The list of values are only suggestions. They are not enforced.
Prompt | Solvent system
Examples | 95% H2O/5% D2O
Help text |

### _Sample.Preparation_date (PreparationDate)

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NMR-STAR tag name | _Sample.Preparation_date
Description | NMR-STAR name: _Sample.Preparation_date Date the sample was prepared.
Database field name | PreparationDate
SQL Database type | DATETIME year to day
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 | Preparation date
Examples | ?
Help text |

### _Sample.Preparation_expiration_date (PreparationExpirationDate)

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NMR-STAR tag name | _Sample.Preparation_expiration_date
Description | NMR-STAR name: _Sample.Preparation_expiration_date Date after which the sample should not be used.
Database field name | PreparationExpirationDate
SQL Database type | DATETIME year to day
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 | Preparation expiration date
Examples | ?
Help text |

### _Sample.Polycrystallization_protocol (PolycrystallizationProtocol)

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NMR-STAR tag name | _Sample.Polycrystallization_protocol
Description | NMR-STAR name: _Sample.Polycrystallization_protocol Protocol used for preparing polycrystalline samples.
Database field name | PolycrystallizationProtocol
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 | Preparation protocol
Examples | ?
Help text |

### _Sample.Single_crystal_protocol (SingleCrystalProtocol)

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NMR-STAR tag name | _Sample.Single_crystal_protocol
Description | NMR-STAR name: _Sample.Single_crystal_protocol Text protocol used to prepare single crystals.
Database field name | SingleCrystalProtocol
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 | Single crystal protocol
Examples | ?
Help text |

### _Sample.Crystal_grow_apparatus (CrystalGrowApparatus)

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NMR-STAR tag name | _Sample.Crystal_grow_apparatus
Description | NMR-STAR name: _Sample.Crystal_grow_apparatus Apparatus used to grow the crystals
Database field name | CrystalGrowApparatus
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 | Crystal grow apparatus
Examples | ?
Help text |

### _Sample.Crystal_grow_atmosphere (CrystalGrowAtmosphere)

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NMR-STAR tag name | _Sample.Crystal_grow_atmosphere
Description | NMR-STAR name: _Sample.Crystal_grow_atmosphere Atmosphere used to grow the crystals.
Database field name | CrystalGrowAtmosphere
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 | Crystal grow atmosphere
Examples | ?
Help text |

### _Sample.Crystal_grow_details (CrystalGrowDetails)

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NMR-STAR tag name | _Sample.Crystal_grow_details
Description | NMR-STAR name: _Sample.Crystal_grow_details Text providing additional information regarding the methods used to grow crystals.
Database field name | CrystalGrowDetails
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 | Crystal grow details
Examples | ?
Help text |

### _Sample.Crystal_grow_method (CrystalGrowMethod)

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NMR-STAR tag name | _Sample.Crystal_grow_method
Description | NMR-STAR name: _Sample.Crystal_grow_method Name for the method used to grow the crystals.
Database field name | CrystalGrowMethod
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 | Crystal grow method
Examples | ?
Help text |

### _Sample.Crystal_grow_method_cit_ID (CrystalGrowMethodCitID)

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NMR-STAR tag name | _Sample.Crystal_grow_method_cit_ID
Description | NMR-STAR name: _Sample.Crystal_grow_method_cit_ID Pointer to '_Citation.ID' The citation referenced provides a description of the method used to grow the crystals.
Database field name | CrystalGrowMethodCitID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Citation, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Crystal grow method cit ID
Examples | ?
Help text |

### _Sample.Crystal_grow_pH (CrystalGrowPH)

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NMR-STAR tag name | _Sample.Crystal_grow_pH
Description | NMR-STAR name: _Sample.Crystal_grow_pH The pH used to grow the crystals, if a specific value was used.
Database field name | CrystalGrowPH
SQL Database type | FLOAT
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 | Crystal grow pH
Examples | ?
Help text |

### _Sample.Crystal_grow_pH_range (CrystalGrowPHRange)

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NMR-STAR tag name | _Sample.Crystal_grow_pH_range
Description | NMR-STAR name: _Sample.Crystal_grow_pH_range The pH range over which the crystals were grown, where a single pH value was not used or known.
Database field name | CrystalGrowPHRange
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 | Crystal grow pH range
Examples | ?
Help text |

### _Sample.Crystal_grow_pressure (CrystalGrowPressure)

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NMR-STAR tag name | _Sample.Crystal_grow_pressure
Description | NMR-STAR name: _Sample.Crystal_grow_pressure Pressure under which the crystals were grown.
Database field name | CrystalGrowPressure
SQL Database type | FLOAT
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 | Crystal grow pressure
Examples | ambient
Help text |

### _Sample.Crystal_grow_pressure_esd (CrystalGrowPressureEsd)

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NMR-STAR tag name | _Sample.Crystal_grow_pressure_esd
Description | NMR-STAR name: _Sample.Crystal_grow_pressure_esd Estemated error in the pressure value used to grow the crystals.
Database field name | CrystalGrowPressureEsd
SQL Database type | FLOAT
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 | Crystal grow pressure esd
Examples | ?
Help text |

### _Sample.Crystal_grow_seeding (CrystalGrowSeeding)

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NMR-STAR tag name | _Sample.Crystal_grow_seeding
Description | NMR-STAR name: _Sample.Crystal_grow_seeding Code defining the type of seeding used to initiate the growth of the crystals.
Database field name | CrystalGrowSeeding
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 | Crystal grow seeding
Examples | ?
Help text |

### _Sample.Crystal_grow_seeding_cit_ID (CrystalGrowSeedingCitID)

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NMR-STAR tag name | _Sample.Crystal_grow_seeding_cit_ID
Description | NMR-STAR name: _Sample.Crystal_grow_seeding_cit_ID Pointer to '_Citation.ID' The citation referenced provides a description of the method used to seed the crystallization.
Database field name | CrystalGrowSeedingCitID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Citation, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Crystal grow seeding cit ID
Examples | ?
Help text |

### _Sample.Crystal_grow_temp (CrystalGrowTemp)

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NMR-STAR tag name | _Sample.Crystal_grow_temp
Description | NMR-STAR name: _Sample.Crystal_grow_temp Temperature used to grw the crystals.
Database field name | CrystalGrowTemp
SQL Database type | FLOAT
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 | Crystal grow temp
Examples | ?
Help text |

### _Sample.Crystal_grow_temp_details (CrystalGrowTempDetails)

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NMR-STAR tag name | _Sample.Crystal_grow_temp_details
Description | NMR-STAR name: _Sample.Crystal_grow_temp_details Text providing additional information regarding the temperature used to grow the crystals.
Database field name | CrystalGrowTempDetails
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 | Crystal grow temp details
Examples | ?
Help text |

### _Sample.Crystal_grow_temp_esd (CrystalGrowTempEsd)

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NMR-STAR tag name | _Sample.Crystal_grow_temp_esd
Description | NMR-STAR name: _Sample.Crystal_grow_temp_esd Estimated error in the reported temperature value used to grow the crystals.
Database field name | CrystalGrowTempEsd
SQL Database type | FLOAT
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 | Crystal grow temp esd
Examples | ?
Help text |

### _Sample.Crystal_grow_time (CrystalGrowTime)

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NMR-STAR tag name | _Sample.Crystal_grow_time
Description | NMR-STAR name: _Sample.Crystal_grow_time The time required to grow the crystals.
Database field name | CrystalGrowTime
SQL Database type | FLOAT
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 | Crystal grow time
Examples | ?
Help text |

### _Sample.Oriented_sample_prep_protocol (OrientedSamplePrepProtocol)

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NMR-STAR tag name | _Sample.Oriented_sample_prep_protocol
Description | NMR-STAR name: _Sample.Oriented_sample_prep_protocol Protocol used to prepare oriented crystal samples.
Database field name | OrientedSamplePrepProtocol
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 | Oriented sample prep protocol
Examples | ?
Help text |

### _Sample.Lyophilization_cryo_protectant (LyophilizationCryoProtectant)

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NMR-STAR tag name | _Sample.Lyophilization_cryo_protectant
Description | NMR-STAR name: _Sample.Lyophilization_cryo_protectant Chemical used to protect the sample during lyophilization.
Database field name | LyophilizationCryoProtectant
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 | Lyophilization cryo protectant
Examples | ?
Help text |

### _Sample.Storage_protocol (StorageProtocol)

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NMR-STAR tag name | _Sample.Storage_protocol
Description | NMR-STAR name: _Sample.Storage_protocol Protocol used for storing the sample.
Database field name | StorageProtocol
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 | Storage protocol
Examples | ?
Help text |