Data Item _chemical_conn_atom.NH

General

Item name
_chemical_conn_atom.NH
Category name
chemical_conn_atom
Attribute name
NH
Required in PDB entries
no
Used in currrent PDB entries
No

Item Description

The total number of hydrogen atoms attached to this atom, regardless of whether they are included in the refinement or the ATOM_SITE list. This number is the same as _atom_site.attached_hydrogens only if none of the hydrogen atoms appear in the ATOM_SITE list.

Data Type

Data type code
int
Data type detail
int item types are the subset of numbers that are the negative or positive integers.
Primitive data type code
numb
Regular expression
[+-]?[0-9]+

Allowed Boundary Conditions

Minimum Value Maximum Value
0

+∞

Aliases

Alias Item Name Dictionary Name Dictionary Version
_chemical_conn_atom_NH cif_core.dic 2.0.1