PDBx:em_icos_virus_shellsType

<xsd:complexType name="em_icos_virus_shellsType">
  <xsd:annotation>
    <xsd:documentation xml:lang="en">Data items in the EM_ICOS_VIRUS_SHELLS category record details of the viral shell number, diameter of each shell and triangulation number. Example 1 - based on PDB entry 1DYL and laboratory records for the structure corresponding to PDB entry 1DYL <PDBx:em_icos_virus_shellsCategory> <PDBx:em_icos_virus_shells id="1" virus_entity_id="1"> <PDBx:shell_diameter>400</PDBx:shell_diameter> <PDBx:triangulation_num>4</PDBx:triangulation_num> </PDBx:em_icos_virus_shells> </PDBx:em_icos_virus_shellsCategory></xsd:documentation>
  </xsd:annotation>
  <xsd:sequence>
    <xsd:element name="em_icos_virus_shells" minOccurs="0" maxOccurs="unbounded">
      <xsd:complexType>
        <xsd:all>
          <xsd:element name="shell_diameter" minOccurs="0" maxOccurs="1" nillable="true">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">The value of the diameter (in angstroms) for each protein shell of the virus.</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="triangulation_num" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation xml:lang="en">The triangulation number (T number) is a geometric and abstract concept that does not correspond to the structural components of an individul virus. It refers to the organisation of the geometric figure. The triangulation number, T is given by the following relationship: T= h*2 + hk +k*2, where h and k are positive integers which define the position of the five-fold vertex on the original hexagonal net. 4</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:all>
        <xsd:attribute name="id" use="required" type="xsd:string">
          <xsd:annotation>
            <xsd:documentation xml:lang="en">The value of attribute id in category em_em_icos_virus_shells must uniquely identify the number and diameter of each virus protein shell and its triangulation number.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
        <xsd:attribute name="virus_entity_id" use="required" type="xsd:string">
          <xsd:annotation>
            <xsd:documentation xml:lang="en">The value of attribute virus_entity_id in category em_icos_virus_shells is a pointer to attribute id in category em_virus_entity in the VIRUS_ENTITY category.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:complexType>
    </xsd:element>
  </xsd:sequence>
</xsd:complexType>