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Category pdbx_bond_distance_limits

Category Description

             This category provides a table of upper and lower distance 
              limits used as criteria in determining covalent bonds.
              The table is organized by atom type pairs.




Category Examples




Example 1:

    Example 1 - Abbreviated bond distance limit table




 loop_
 _pdbx_bond_distance_limits.atom_type_1
 _pdbx_bond_distance_limits.atom_type_2
 _pdbx_bond_distance_limits.lower_limit
 _pdbx_bond_distance_limits.upper_limit
  N   Ag  1.85 2.70
  O   Ag  1.85 2.70
  S   Ag  2.00 3.00
  Al   H  1.35 1.65
  As   H  1.20 1.60
  N   Au  1.80 2.80
  O   Au  1.80 2.80
  S   Au  1.80 3.00
  B    B  1.45 1.95
  C    B  1.20 1.85
  F    B  1.20 1.75
 # ... abbreviated ...




Key Category Items

• _pdbx_bond_distance_limits.atom_type_1
• _pdbx_bond_distance_limits.atom_type_2



Items in Category pdbx_bond_distance_limits

Item Name	Mandatory Code
_pdbx_bond_distance_limits.atom_type_1	yes
_pdbx_bond_distance_limits.atom_type_2	yes
_pdbx_bond_distance_limits.lower_limit	yes
_pdbx_bond_distance_limits.upper_limit	yes

 

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