XmlmmCIF equivalent: database_PDB_matrix The DATABASE_PDB_MATRIX category provides placeholders for transformation matrices and vectors used by the Protein Data Bank (PDB). These data items are included only for consistency with older PDB format files. They should appear in a data block only if that data block was created by reformatting a PDB format file. XmlmmCIF equivalent: database_PDB_matrix/origx11 The [1][1] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx12 The [1][2] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx13 The [1][3] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx21 The [2][1] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx22 The [2][2] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx23 The [2][3] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx31 The [3][1] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx32 The [3][2] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx33 The [3][3] element of the PDB ORIGX matrix. XmlmmCIF equivalent: database_PDB_matrix/origx_vector1 The [1] element of the PDB ORIGX vector. XmlmmCIF equivalent: database_PDB_matrix/origx_vector2 The [2] element of the PDB ORIGX vector. XmlmmCIF equivalent: database_PDB_matrix/origx_vector3 The [3] element of the PDB ORIGX vector. XmlmmCIF equivalent: database_PDB_matrix/scale11 The [1][1] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale12 The [1][2] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale13 The [1][3] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale21 The [2][1] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale22 The [2][2] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale23 The [2][3] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale31 The [3][1] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale32 The [3][2] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale33 The [1][1] element of the PDB SCALE matrix. XmlmmCIF equivalent: database_PDB_matrix/scale_vector1 The [1] element of the PDB SCALE vector. XmlmmCIF equivalent: database_PDB_matrix/scale_vector2 The [2] element of the PDB SCALE vector. XmlmmCIF equivalent: database_PDB_matrix/scale_vector3 The [3] element of the PDB SCALE vector. XmlmmCIF equivalent: database_PDB_matrix/entry_id This data item is a pointer to _entry.id in the ENTRY category.