Data Item _peak_char.coupling_pattern
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General 
- Item name
- _peak_char.coupling_pattern
- Category name
- peak_char
- Attribute name
- coupling_pattern
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A code that describes the type of coupling pattern observed for the NMR
spectral peak.
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 |
|---|---|
| 1JCH | one J carbon-proton couplings |
| LR | long-range coupling |
| d | doublet |
| dd | doublet of doublets |
| ddd | doublet of doublets of doublets |
| dm | doublet of multiplets |
| dt | doublet of triplets |
| hpt | heptet |
| hxt | hextet |
| m | multiplet |
| q | quartet |
| qd | quartet of doublets |
| qn | quintet |
| s | singlet |
| sxt | sextet |
| t | triplet |
| td | triplet of doublets |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| 1JCH | one J carbon-proton couplings |
| LR | long-range coupling |
| d | doublet |
| dd | doublet of doublets |
| ddd | doublet of doublets of doublets |
| dm | doublet of multiplets |
| dt | doublet of triplets |
| hpt | heptet |
| hxt | hextet |
| m | multiplet |
| q | quartet |
| qd | quartet of doublets |
| qn | quintet |
| s | singlet |
| sxt | sextet |
| t | triplet |
| td | triplet of doublets |