## NMR-STAR dictionary: database table: AssemblySubsystem

Detailed description of the fields

### _Assembly_subsystem.Sf_category (SfCategory)

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NMR-STAR tag name | _Assembly_subsystem.Sf_category
Description | NMR-STAR name: _Assembly_subsystem.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 |

### _Assembly_subsystem.Sf_framecode (SfFramecode)

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NMR-STAR tag name | _Assembly_subsystem.Sf_framecode
Description | NMR-STAR name: _Assembly_subsystem.Sf_framecode A descriptive label that uniquely identifies this molecular subsystem from all other subsystems of the molecular assembly studied.
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 | Molecular assembly subsystem label
Examples | ?
Help text |

### _Assembly_subsystem.Entry_ID (EntryID)

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

### _Assembly_subsystem.Sf_ID (SfID)

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

### _Assembly_subsystem.ID (AssemblySubsystemID)

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NMR-STAR tag name | _Assembly_subsystem.ID
Description | NMR-STAR name: _Assembly_subsystem.ID An integer value that uniquely defines the subsystem of the molecular assembly described. An assembly subsystem contains a subset of the components of the full molecular assembly, but does not consist of fragments of the molecular assembly components.
Database field name | AssemblySubsystemID
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 | Subsystem list ID
Examples | ?
Help text |

### _Assembly_subsystem.Name (Name)

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NMR-STAR tag name | _Assembly_subsystem.Name
Description | NMR-STAR name: _Assembly_subsystem.Name Author supplied name for the assembly subsystem.
Database field name | Name
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 | Name
Examples | ?
Help text |

### _Assembly_subsystem.CAS_name (CASName)

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NMR-STAR tag name | _Assembly_subsystem.CAS_name
Description | NMR-STAR name: _Assembly_subsystem.CAS_name Chemical Abstract Services name that applies to the assembly subsystem.
Database field name | CASName
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 | CAS name
Examples | ?
Help text |

### _Assembly_subsystem.CAS_registry_number (CASRegistryNumber)

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NMR-STAR tag name | _Assembly_subsystem.CAS_registry_number
Description | NMR-STAR name: _Assembly_subsystem.CAS_registry_number Chemical Abstract Services registry number that applies to the assembly subsystem.
Database field name | CASRegistryNumber
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 | CAS registry number
Examples | ?
Help text |

### _Assembly_subsystem.Enzyme_commission_number (EnzymeCommissionNumber)

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NMR-STAR tag name | _Assembly_subsystem.Enzyme_commission_number
Description | NMR-STAR name: _Assembly_subsystem.Enzyme_commission_number Identification number defined by the Enzyme Commission for the protein molecular system, or biological molecular system described in the saveframe.
Database field name | EnzymeCommissionNumber
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 | Enzyme commission number
Examples | 3.1.3.5.3
Help text |

### _Assembly_subsystem.Molecular_mass (MolecularMass)

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NMR-STAR tag name | _Assembly_subsystem.Molecular_mass
Description | NMR-STAR name: _Assembly_subsystem.Molecular_mass The approximate mass of the system as defined by the authors and is intended to approximate the sum of the masses of all of the atoms in the system. No attempt is made to define the mass at a specific pH value, in terms of the protonation state of any pH titratable groups, or according to the incorporation of isotopes.
Database field name | MolecularMass
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 | Molecular mass
Examples | 24000
Help text |

### _Assembly_subsystem.Details (Details)

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NMR-STAR tag name | _Assembly_subsystem.Details
Description | NMR-STAR name: _Assembly_subsystem.Details Additional information relevant to the data in the current saveframe or to a specific data item is entered as a value to this tag. The information entered must supplement information already present. Whenever possible data should associated with specific data tags and not included in the value to a '_Details' tag.
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 | Additional comments or details describing the contents of the citation are entered in this field.
Examples | ?
Help text |

### _Assembly_subsystem.DB_query_date (DBQueryDate)

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NMR-STAR tag name | _Assembly_subsystem.DB_query_date
Description | NMR-STAR name: _Assembly_subsystem.DB_query_date Date that the last query has been conducted to locate entries in external databases that are related to the assembly subsystem.
Database field name | DBQueryDate
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 | DB query date
Examples | ?
Help text |

### _Assembly_subsystem.DB_last_query_revised_last_date (DBLastQueryRevisedLastDate)

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NMR-STAR tag name | _Assembly_subsystem.DB_last_query_revised_last_date
Description | NMR-STAR name: _Assembly_subsystem.DB_last_query_revised_last_date Date that this table was updated with links to external databases.
Database field name | DBLastQueryRevisedLastDate
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 | DB last query revised last date
Examples | ?
Help text |