PDBx:em_helical_entityType

<xsd:complexType name="em_helical_entityType">
  <xsd:annotation>
    <xsd:documentation xml:lang="en">
    </xsd:documentation>
  </xsd:annotation>
  <xsd:sequence>
    <xsd:element name="em_helical_entity" minOccurs="0" maxOccurs="unbounded">
      <xsd:complexType>
        <xsd:all>
          <xsd:element name="angular_rotation_per_subunit" minOccurs="0" maxOccurs="1" nillable="true">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">The angular rotation per helical subunit in degrees. -34.616000</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:simpleContent>
                <xsd:extension base="xsd:decimal">
                  <xsd:attribute fixed="degrees" name="units" type="xsd:string" use="optional"/>
                </xsd:extension>
              </xsd:simpleContent>
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="axial_rise_per_subunit" minOccurs="0" maxOccurs="1" nillable="true">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">The axial rise per subunit in the helical assembly. 17.400000</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:simpleContent>
                <xsd:extension base="xsd:decimal">
                  <xsd:attribute fixed="angstroms" name="units" type="xsd:string" use="optional"/>
                </xsd:extension>
              </xsd:simpleContent>
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="axial_symmetry" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">n-fold symmetry along the filament helix axis. 1 5 7</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="details" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">Any other details regarding the helical assembly Dihedral symmetry</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="dyad" minOccurs="0" maxOccurs="1" nillable="true">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">Value should be YES if a the filament has two-fold symmetry perpendicular to the helical axis.</xsd:documentation>
            </xsd:annotation>
            <xsd:simpleType>
              <xsd:restriction base="xsd:string">
                <xsd:enumeration value="YES"/>
                <xsd:enumeration value="NO"/>
              </xsd:restriction>
            </xsd:simpleType>
          </xsd:element>
          <xsd:element name="hand" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">Handedness of the helix: right handed or left handed Right Left</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:all>
        <xsd:attribute name="entity_assembly_id" use="required" type="xsd:string">
          <xsd:annotation>
            <xsd:documentation xml:lang="en">The value of attribute entity_assembly_id in category em_helical_entity identifies a particular assembly component. This data item is a pointer to attribute id in category entity_assembly in the EM_ENTITY_ASSEMBLY category.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
        <xsd:attribute name="id" use="required" type="xsd:string">
          <xsd:annotation>
            <xsd:documentation xml:lang="en">The value of attribute id in category em_helical_entity must uniquely identify a set of the filament parameters for this assembly component.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:complexType>
    </xsd:element>
  </xsd:sequence>
</xsd:complexType>