Tag category Entity
Key tags (columns):
Tags in table Entity:
| Tag | Description | data type | Mandatory |
|---|---|---|---|
| Ambiguous_chem_comp_sites | A boolean flag that indicates the presence or absence of multiple conformational states for specific chemical components of the entity. | yes_no | |
| Ambiguous_conformational_states | A boolean flag to indicate the presence of multiple conformational states for the entity that have not been clearly defined. | yes_no | |
| BMRB_code | A code for the entity that uniquely identifies the entity within a library of entities maintained at BMRB. | code | |
| Calc_isoelectric_point | The theoretical isoelectric point for the entity. | float | |
| DB_query_date | Last date that a query was conducted to locate entries in databases that are related to this molecular entity. | yyyy-mm-dd | |
| DB_query_revised_last_date | Last date that the table of related database entries was last updated. | yyyy-mm-dd | |
| Details | Text providing additional details regarding this entity. | text | |
| EC_number | Enzyme Commission number | line | |
| Entry_ID | Pointer to '_Entry.ID' | code | yes |
| Formula_weight | Formula mass in daltons of the entity. | float | |
| Formula_weight_exptl | Experimentally determined formula weight for the molecular entity. | float | |
| Formula_weight_exptl_meth | Method used to experimentally determine the formula weight for the molecular entity. | line | |
| Fragment | Entity fragment description(s). | text | |
| ID | An integer value that is the unique identifier for the entity within the entry. | int | yes |
| Mutation | Details about any entity mutation(s). | text | |
| Name | A brief name commonly used for the entity. | line | yes |
| Nonpolymer_comp_ID | Pointer to '_Chem_comp.ID' | code | |
| Nonpolymer_comp_label | Pointer to a save frame of the category chem_comp. | framecode | |
| Nstd_chirality | A boolean flag that indicates the presence or absence of non-standard chiral atoms in the entity. | yes_no | |
| Nstd_linkage | A flag indicating the presence or absence of non-standard linkages between monomers in the biopolymer. | yes_no | |
| Nstd_monomer | A boolean flag that indicates the presence (No) or absence (Yes) of non-standard chemical components in the entity. | yes_no | |
| Number_of_monomers | The number of chemical components that make up a polymer entity. | int | |
| Number_of_nonpolymer_components | Non-polymer compounds like ATP or NAD may be comprised of more than one chemical component. If you want to describe each of the components in the non-polymer enter the number of components that exist in the non-polymer entity. | int | |
| Paramagnetic | A boolean flag that indicates the paramagnetic state of the entity. | yes_no | |
| Parent_entity_ID | Pointer to '_Entity.ID' | int | |
| Polymer_author_defined_seq | The author may provide a numbering scheme for a biopolymer that is different from that defined by the public databases. This scheme may contain non-sequential numbering and the use of alphabetic characters. | text | |
| Polymer_author_seq_details | A text description of the sequence for this entity. | text | |
| Polymer_common_type | A code that indicates the common type of polymer to which the entity belongs. | line | |
| Polymer_seq_one_letter_code | The sequence of a polymer entity expressed using the one-letter code for standard residues and an X for non-standard residues. | text | |
| Polymer_seq_one_letter_code_can | The sequence of a polymer entity expressed using only the standard one-letter code for chemical components. | text | |
| Polymer_strand_ID | The PDB strand/chain id(s) corresponding to this polymer entity. | code | |
| Polymer_type | Entity polymer types include protein DNA RNA DNA/RNA hybrids and carbohydrates. | line | |
| Polymer_type_details | Additional information about the polymer type. | text | |
| Sf_category | Category assigned to the information in the save frame. | code | yes |
| Sf_framecode | A descriptive label that uniquely identifies this entity from all other chemically unique entities in the molecular assembly studied. | framecode | yes |
| Sf_ID | An interger value that is the unique identifier for the save frame that applies across the archive. This value is not stable and may be reassigned each time the data are loaded into a database system. | int | yes |
| Src_method | The method by which the sample for the entity was produced. Entities isolated directly from natural sources (tissues soil samples etc.) are expected to have further information in the entity natural source category. Entities isolated from genetically ma | line | |
| Target_identifier | The TargetDB ID for the protein in the molecular system studied. | line | |
| Thiol_state | A keyword that describes the state of the thiol groups in the entity. | line | |
| Type | Entities are of two types: polymer or non-polymer. | line | |