Data Item _chem_comp_bond.value_order

General

Item name
_chem_comp_bond.value_order
Category name
chem_comp_bond
Attribute name
value_order
Required in PDB entries
yes
Used in currrent PDB entries
No
Used in the Chemical Component dictionary
Yes

Item Description

The value that should be taken as the target for the chemical bond associated with the specified atoms, expressed as a bond order.

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|^-]*

Controlled Vocabulary

Allowed Value Details
AROM aromatic bond
DELO delocalized double bond
DIRECTED N ->O
DOUB double bond
PI pi bond
POLY polymeric bond
QUAD quadruple bond
SING single bond
TRIP triple bond

Controlled Vocabulary at Deposition

Allowed Value Details
AROM aromatic bond
DELO delocalized double bond
DIRECTED N ->O
DOUB double bond
PI pi bond
POLY polymeric bond
QUAD quadruple bond
SING single bond
TRIP triple bond