PDBx/mmCIF
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Data Category struct_conn

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General

Category name
struct_conn
Required in PDB entries
no
Category group membership
struct_group
Used in current PDB entries
Yes, in about 65.0 % of entries

Category Relationship Diagrams

70
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70
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Category Description 

               Data items in the STRUCT_CONN category record details about
               the connections between portions of the structure. These can be
               hydrogen bonds, salt bridges, disulfide bridges and so on.

               The STRUCT_CONN_TYPE records define the criteria used to
               identify these connections.

Category Example

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    loop_
    _struct_conn.id
    _struct_conn.conn_type_id
    _struct_conn.ptnr1_label_comp_id
    _struct_conn.ptnr1_label_asym_id
    _struct_conn.ptnr1_label_seq_id
    _struct_conn.ptnr1_label_atom_id
    _struct_conn.ptnr1_role
    _struct_conn.ptnr1_symmetry
    _struct_conn.ptnr2_label_comp_id
    _struct_conn.ptnr2_label_asym_id
    _struct_conn.ptnr2_label_seq_id
    _struct_conn.ptnr2_label_atom_id
    _struct_conn.ptnr2_role
    _struct_conn.ptnr2_symmetry
    _struct_conn.details
      C1  saltbr  ARG  A  87 NZ1 positive 1_555 GLU  A  92  OE1
          negative 1_555  .
      C2  hydrog  ARG  B 287 N   donor    1_555 GLY  B 292  O
          acceptor 1_555  .
    # - - - - data truncated for brevity - - - -

Key Data Items

Category Data Items

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