Data Category struct_ncs_oper
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General 
- Category name
- struct_ncs_oper
- Required in PDB entries
- no
- Category group membership
- struct_group
- Used in current PDB entries
- Yes, in about 3.4 % 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 STRUCT_NCS_OPER category describe the
noncrystallographic symmetry operations.
Each operator is specified as a matrix and a subsequent
translation vector. Operators need not represent proper
rotations.
Category Example
_struct_ncs_oper.id 1
_struct_ncs_oper.code given
_struct_ncs_oper.matrix[1][1] 0.247
_struct_ncs_oper.matrix[1][2] 0.935
_struct_ncs_oper.matrix[1][3] 0.256
_struct_ncs_oper.matrix[2][1] 0.929
_struct_ncs_oper.matrix[2][2] 0.153
_struct_ncs_oper.matrix[2][3] 0.337
_struct_ncs_oper.matrix[3][1] 0.276
_struct_ncs_oper.matrix[3][2] 0.321
_struct_ncs_oper.matrix[3][3] -0.906
_struct_ncs_oper.vector[1] -8.253
_struct_ncs_oper.vector[2] -11.743
_struct_ncs_oper.vector[3] -1.782
_struct_ncs_oper.details
; Matrix and translation vector for pseudo-twofold operation.
;
Key Data Items 
Category Data Items
- _struct_ncs_oper.id
- _struct_ncs_oper.code
- _struct_ncs_oper.details
- _struct_ncs_oper.matrix[1][1]
- _struct_ncs_oper.matrix[1][2]
- _struct_ncs_oper.matrix[1][3]
- _struct_ncs_oper.matrix[2][1]
- _struct_ncs_oper.matrix[2][2]
- _struct_ncs_oper.matrix[2][3]
- _struct_ncs_oper.matrix[3][1]
- _struct_ncs_oper.matrix[3][2]
- _struct_ncs_oper.matrix[3][3]
- _struct_ncs_oper.vector[1]
- _struct_ncs_oper.vector[2]
- _struct_ncs_oper.vector[3]