Data Category pdbx_validate_symm_contact
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General 
- Category name
- pdbx_validate_symm_contact
- Required in PDB entries
- no
- Category group membership
- pdbx_group validate_group
- Used in current PDB entries
- Yes, in about 18.0 % of entries
Category Relationship Diagrams 
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View abbreviated category relationship diagram including only those categories used in current PDB entries.
Category Description
Data items in the PDBX_VALIDATE_SYMM_CONTACT category list the
atoms within the entry that are in close contact with regard
the distances expected from either covalent bonding or closest
approach by van der Waals contacts. Contacts with
for symmetry related contacts are considered.
For those contacts not involving hydrogen a limit of
2.2 angstroms is used. For contacts involving a hydrogen atom
a cutoff of 1.6 angstrom is used.
Additional Descriptive Information for Depositors
Atoms involved in a symmetry related close contact. Format is ATOM (RESIDUE_NAME RESIDUE_NUMBER CHAIN_ID), e.g., OG (SER 195 A).
Category Example
loop_ _pdbx_validate_symm_contact.id _pdbx_validate_symm_contact.PDB_model_num _pdbx_validate_symm_contact.auth_atom_id_1 _pdbx_validate_symm_contact.auth_asym_id_1 _pdbx_validate_symm_contact.auth_comp_id_1 _pdbx_validate_symm_contact.auth_seq_id_1 _pdbx_validate_symm_contact.PDB_ins_code_1 _pdbx_validate_symm_contact.label_alt_id_1 _pdbx_validate_symm_contact.site_symmetry_1 _pdbx_validate_symm_contact.auth_atom_id_2 _pdbx_validate_symm_contact.auth_asym_id_2 _pdbx_validate_symm_contact.auth_comp_id_2 _pdbx_validate_symm_contact.auth_seq_id_2 _pdbx_validate_symm_contact.PDB_ins_code_2 _pdbx_validate_symm_contact.label_alt_id_2 _pdbx_validate_symm_contact.site_symmetry_2 _pdbx_validate_symm_contact.dist 1 1 O . HOH 70 . . 1555 O . HOH 70 . . 7555 2.05
Key Data Items 
Category Data Items
- _pdbx_validate_symm_contact.id
- _pdbx_validate_symm_contact.PDB_ins_code_1
- _pdbx_validate_symm_contact.PDB_ins_code_2
- _pdbx_validate_symm_contact.PDB_model_num
- _pdbx_validate_symm_contact.auth_asym_id_1
- _pdbx_validate_symm_contact.auth_asym_id_2
- _pdbx_validate_symm_contact.auth_atom_id_1
- _pdbx_validate_symm_contact.auth_atom_id_2
- _pdbx_validate_symm_contact.auth_comp_id_1
- _pdbx_validate_symm_contact.auth_comp_id_2
- _pdbx_validate_symm_contact.auth_seq_id_1
- _pdbx_validate_symm_contact.auth_seq_id_2
- _pdbx_validate_symm_contact.dist
- _pdbx_validate_symm_contact.label_alt_id_1
- _pdbx_validate_symm_contact.label_alt_id_2
- _pdbx_validate_symm_contact.site_symmetry_1
- _pdbx_validate_symm_contact.site_symmetry_2