Data Item _pdbx_chem_comp_descriptor.type
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General 
- Item name
- _pdbx_chem_comp_descriptor.type
- Category name
- pdbx_chem_comp_descriptor
- Attribute name
- type
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
- Used in the Chemical Component dictionary
- Yes
Item Description
This data item contains the descriptor type.
Data Type 
- Data type code
- uline
- Data type detail
- char item types / multi-word items (case insensitive)...
- Primitive data type code
- uchar
- Regular expression
- [][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| InChI | InChI descriptor |
| InChIKey | InChI descriptor- hash key form |
| InChI_CHARGE | InChI descriptor- charge layer |
| InChI_FIXEDH | InChI descriptor- fixed hydrogren layer |
| InChI_ISOTOPE | InChI descriptor- isotopic layer |
| InChI_MAIN | InChI descriptor- main layer |
| InChI_MAIN_CONNECT | InChI descriptor- main layer - atom connection sub-layer |
| InChI_MAIN_FORMULA | InChI descriptor- main layer - chemical formula sub-layer |
| InChI_MAIN_HATOM | InChI descriptor- main layer - hydrogen atom sub-layer |
| InChI_RECONNECT | InChI descriptor- reconnected layer |
| InChI_STEREO | InChI descriptor- stereochemical layer |
| SMILES | SMILES descriptor |
| SMILES_CANNONICAL | deprecated |
| SMILES_CANONICAL | Canonical SMILES descriptor |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| InChI | InChI descriptor |
| InChIKey | InChI descriptor- hash key form |
| InChI_CHARGE | InChI descriptor- charge layer |
| InChI_FIXEDH | InChI descriptor- fixed hydrogren layer |
| InChI_ISOTOPE | InChI descriptor- isotopic layer |
| InChI_MAIN | InChI descriptor- main layer |
| InChI_MAIN_CONNECT | InChI descriptor- main layer - atom connection sub-layer |
| InChI_MAIN_FORMULA | InChI descriptor- main layer - chemical formula sub-layer |
| InChI_MAIN_HATOM | InChI descriptor- main layer - hydrogen atom sub-layer |
| InChI_RECONNECT | InChI descriptor- reconnected layer |
| InChI_STEREO | InChI descriptor- stereochemical layer |
| SMILES | SMILES descriptor |
| SMILES_CANNONICAL | deprecated |
| SMILES_CANONICAL | Canonical SMILES descriptor |