## NMR-STAR dictionary: database table: HChemShiftConstraint

Detailed description of the fields

### _H_chem_shift_constraint.ID (HChemShiftConstraintID)

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NMR-STAR tag name | _H_chem_shift_constraint.ID
Description | NMR-STAR name: _H_chem_shift_constraint.ID Unique identifier for a reported proton chemical shift constraint in the list contained within one save frame.
Database field name | HChemShiftConstraintID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | ,
Saveframe ID | yes: This tag contains the identifier for this saveframe in the entry.
Row Index | yes: This tag contains the index of this row in the loop, which is used when the data is loaded into a database which has a relational model in which ordering doesn't matter
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Assembly_atom_ID (AssemblyAtomID)

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NMR-STAR tag name | _H_chem_shift_constraint.Assembly_atom_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Assembly_atom_ID Pointer to '_Atom.Assembly_atom_ID'
Database field name | AssemblyAtomID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Atom, Assembly_atom_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Assembly atom ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Entity_assembly_ID (EntityAssemblyID)

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NMR-STAR tag name | _H_chem_shift_constraint.Entity_assembly_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Entity_assembly_ID Pointer to '_Entity_assembly.ID'
Database field name | EntityAssemblyID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Entity_assembly, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Entity assembly ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Entity_ID (EntityID)

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NMR-STAR tag name | _H_chem_shift_constraint.Entity_ID
Description | NMR-STAR name: _H_chem_shift_constraint.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 |

### _H_chem_shift_constraint.Comp_index_ID (CompIndexID)

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NMR-STAR tag name | _H_chem_shift_constraint.Comp_index_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Comp_index_ID Pointer to '_Entity_comp_index.ID'
Database field name | CompIndexID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Entity_comp_index, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Comp index ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Seq_ID (SeqID)

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NMR-STAR tag name | _H_chem_shift_constraint.Seq_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Seq_ID Pointer to '_PDBX_poly_seq_scheme.Seq_ID'
Database field name | SeqID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Entity_poly_seq, Num
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Seq ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Comp_ID (CompID)

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NMR-STAR tag name | _H_chem_shift_constraint.Comp_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Comp_ID Pointer to '_Chem_comp.ID'
Database field name | CompID
SQL Database type | CHAR(12)
Part of primary Key | no
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 |

### _H_chem_shift_constraint.Atom_ID (AtomID)

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NMR-STAR tag name | _H_chem_shift_constraint.Atom_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Atom_ID Pointer to '_Chem_comp_atom.Atom_ID'
Database field name | AtomID
SQL Database type | CHAR(12)
Part of primary Key | no
Foreign Key on table, column | Chem_comp_atom, Atom_ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | Atom ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Atom_type (AtomType)

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NMR-STAR tag name | _H_chem_shift_constraint.Atom_type
Description | NMR-STAR name: _H_chem_shift_constraint.Atom_type The value for this tag is a standard IUPAC abbreviation for an element (i.e., H, C, P, etc).
Database field name | AtomType
SQL Database type | VARCHAR(15)
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 | Atom type
Examples | ?
Help text |

### _H_chem_shift_constraint.Atom_isotope_number (AtomIsotopeNumber)

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NMR-STAR tag name | _H_chem_shift_constraint.Atom_isotope_number
Description | NMR-STAR name: _H_chem_shift_constraint.Atom_isotope_number ?
Database field name | AtomIsotopeNumber
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 | Atom isotope number
Examples | ?
Help text |

### _H_chem_shift_constraint.Resonance_ID (ResonanceID)

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NMR-STAR tag name | _H_chem_shift_constraint.Resonance_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Resonance_ID Pointer to '_Resonance.ID'
Database field name | ResonanceID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Resonance, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Resonance ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Chem_shift_val (ChemShiftVal)

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NMR-STAR tag name | _H_chem_shift_constraint.Chem_shift_val
Description | NMR-STAR name: _H_chem_shift_constraint.Chem_shift_val The value for the H chemical shift.
Database field name | ChemShiftVal
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? | yes
Prompt | Chem shift val
Examples | ?
Help text |

### _H_chem_shift_constraint.Chem_shift_val_err (ChemShiftValErr)

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NMR-STAR tag name | _H_chem_shift_constraint.Chem_shift_val_err
Description | NMR-STAR name: _H_chem_shift_constraint.Chem_shift_val_err Estimated error in the H chemical shift.
Database field name | ChemShiftValErr
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? | yes
Prompt | Chem shift val err
Examples | ?
Help text |

### _H_chem_shift_constraint.Source_experiment_ID (SourceExperimentID)

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NMR-STAR tag name | _H_chem_shift_constraint.Source_experiment_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Source_experiment_ID Pointer to '_Experiment.ID'
Database field name | SourceExperimentID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | Experiment, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | no
Prompt | Source experiment ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Auth_asym_ID (AuthAsymID)

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NMR-STAR tag name | _H_chem_shift_constraint.Auth_asym_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Auth_asym_ID An alternative identifier for Asym_id that may be provided by an author in order to match that used in the publication that describes the experimental data. Note that the value is not required to be a number and does not need to correspond to the value for Asym_ID or Entity_assembly_ID.
Database field name | AuthAsymID
SQL Database type | CHAR(12)
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 | Auth asym ID
Examples | ?
Help text |

### _H_chem_shift_constraint.Auth_entity_assembly_ID (AuthEntityAssemblyID)

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NMR-STAR tag name | _H_chem_shift_constraint.Auth_entity_assembly_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Auth_entity_assembly_ID ?
Database field name | AuthEntityAssemblyID
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 | Auth entity assembly ID
Examples | 2
Help text |

### _H_chem_shift_constraint.Auth_seq_ID (AuthSeqID)

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NMR-STAR tag name | _H_chem_shift_constraint.Auth_seq_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Auth_seq_ID An alternative identifier for Seq_id that may be provided by an author in order to match that used in the publication that describes the experimental data. Note that the value is not required to be a number and does not need to correspond to the value for Seq_ID or Comp_index_ID.
Database field name | AuthSeqID
SQL Database type | VARCHAR(15)
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 | Auth seq ID
Examples | -3
Help text |

### _H_chem_shift_constraint.Auth_comp_ID (AuthCompID)

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NMR-STAR tag name | _H_chem_shift_constraint.Auth_comp_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Auth_comp_ID An alternative identifier for Comp_id that may be provided by an author in order to match that used in the publication that describes the experimental data.
Database field name | AuthCompID
SQL Database type | VARCHAR(15)
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 | Auth comp ID
Examples | DPN
Help text |

### _H_chem_shift_constraint.Auth_atom_ID (AuthAtomID)

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NMR-STAR tag name | _H_chem_shift_constraint.Auth_atom_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Auth_atom_ID An alternative identifier for Atom_id that may be provided by an author in order to match that used in the publication that describes the experimental data.
Database field name | AuthAtomID
SQL Database type | VARCHAR(15)
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 | Auth atom ID
Examples | HB1
Help text |

### _H_chem_shift_constraint.Sf_ID (SfID)

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NMR-STAR tag name | _H_chem_shift_constraint.Sf_ID
Description | NMR-STAR name: _H_chem_shift_constraint.Sf_ID Pointer to '_H_chem_shift_constraint_list.Sf_ID'
Database field name | SfID
SQL Database type | INTEGER
Part of primary Key | no
Foreign Key on table, column | H_chem_shift_constraint_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 |

### _H_chem_shift_constraint.Entry_ID (EntryID)

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

### _H_chem_shift_constraint.H_chem_shift_constraint_list_ID (HChemShiftConstraintListID)

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NMR-STAR tag name | _H_chem_shift_constraint.H_chem_shift_constraint_list_ID
Description | NMR-STAR name: _H_chem_shift_constraint.H_chem_shift_constraint_list_ID Pointer to '_H_chem_shift_constraint_list.ID'
Database field name | HChemShiftConstraintListID
SQL Database type | INTEGER
Part of primary Key | yes
Foreign Key on table, column | H_chem_shift_constraint_list, ID
Saveframe ID | no
Row Index | no
Secondary Index | no
Internal Flag | no
Nulls allowed in database? | yes
Prompt | H chem shift constraint list ID
Examples | ?
Help text |