Data Item _bond.type
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General 
- Item name
- _bond.type
- Category name
- bond
- Attribute name
- type
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
A descriptive phrase or word that characterized the bond.
Item Example
disulfide
Data Type 
- Data type code
- line
- Data type detail
- char item types / multi-word items ...
- Primitive data type code
- char
- Regular expression
- [][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
- Values limited by enumeration list
- no
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| amide | |
| covalent | |
| directed | N -> O |
| diselenide | |
| disulfide | |
| ester | |
| ether | |
| hydrogen | |
| metal coordination | |
| na | |
| oxime | |
| peptide | |
| phosphodiester | |
| phosphoester | |
| thioester | |
| thioether |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| amide | |
| covalent | |
| directed | N -> O |
| diselenide | |
| disulfide | |
| ester | |
| ether | |
| hydrogen | |
| metal coordination | |
| na | |
| oxime | |
| peptide | |
| phosphodiester | |
| phosphoester | |
| thioester | |
| thioether |