Data Item _chem_comp_atom.chirality
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General 
- Item name
- _chem_comp_atom.chirality
- Category name
- chem_comp_atom
- Attribute name
- chirality
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The chiral or prochiral characteristic of the atom.
Item Example
R;S;E;Z;pro-R;pro-S
Data Type 
- Data type code
- code
- Data type detail
- code item types/single words ...
- Primitive data type code
- char
- Regular expression
- [_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| E | (E)- alkene (German, entgegen = opposite) |
| N | atom is not a chiral center |
| R | rectus - right handed configuration |
| S | sinister - left handed configuration |
| Z | (Z)- alkene (German, zusammen = together) |
| pro-R | If substituted for a higher molecular weight entity will make the attached atom an R chiral center |
| pro-S | If substituted for a higher molecular weight entity will make the attached atom an S chiral center |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| E | (E)- alkene (German, entgegen = opposite) |
| N | atom is not a chiral center |
| R | rectus - right handed configuration |
| S | sinister - left handed configuration |
| Z | (Z)- alkene (German, zusammen = together) |
| pro-R | If substituted for a higher molecular weight entity will make the attached atom an R chiral center |
| pro-S | If substituted for a higher molecular weight entity will make the attached atom an S chiral center |