<xsd:complexType name="em_2d_crystal_entityType">
<xsd:annotation>
<xsd:documentation xml:lang="en">Data items in the EM_2D_CRYSTAL_ENTITY category record the symmetry details of a 2D crystal assembly component.</xsd:documentation>
</xsd:annotation>
<xsd:sequence>
<xsd:element name="em_2d_crystal_entity" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:all>
<xsd:element name="angle_alpha" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">Unit-cell angle alpha of the reported structure, in degrees.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:decimal">
<xsd:minInclusive value="0.0"/>
<xsd:maxInclusive value="180.0"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="angle_beta" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">Unit-cell angle beta of the reported structure, in degrees.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:decimal">
<xsd:minInclusive value="0.0"/>
<xsd:maxInclusive value="180.0"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="angle_gamma" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">Unit-cell angle gamma of the reported structure, in degrees.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:decimal">
<xsd:minInclusive value="0.0"/>
<xsd:maxInclusive value="180.0"/>
</xsd:restriction>
</xsd:simpleType>
</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 This is a 2-D crystal.</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="length_a" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">Unit-cell length a corresponding to the structure reported, in Angstroms.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:decimal">
<xsd:minInclusive value="0.0"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="length_b" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">Unit-cell length b corresponding to the structure reported, in Angstroms.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:decimal">
<xsd:minInclusive value="0.0"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="length_c" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">Unit-cell length a corresponding to the structure reported, in Angstroms.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:decimal">
<xsd:minInclusive value="0.0"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="space_group_name_H-M" minOccurs="0" maxOccurs="1" nillable="true">
<xsd:annotation>
<xsd:documentation xml:lang="en">The 17 plane groups are classified as oblique, rectangular, square, and hexagonal. To describe the symmetry of 2D crystals of biological molecules, the plane groups are expanded to their equivalent noncentrosymmetric space groups. The 2D crystal plane corresponds to the 'ab' plane of the space group. . Enumerated space group descriptions include the plane group number in parentheses, the H-M plane group symbol, and the plane group class.</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="P 1"/>
<xsd:enumeration value="P 2 1"/>
<xsd:enumeration value="P 1 2"/>
<xsd:enumeration value="P 1 21"/>
<xsd:enumeration value="C 1 2"/>
<xsd:enumeration value="P 2 2 2"/>
<xsd:enumeration value="P 2 2 21"/>
<xsd:enumeration value="P 2 21 21"/>
<xsd:enumeration value="C 2 2 2"/>
<xsd:enumeration value="P 4"/>
<xsd:enumeration value="P 4 2 2"/>
<xsd:enumeration value="P 4 21 2"/>
<xsd:enumeration value="P 3"/>
<xsd:enumeration value="P 3 1 2"/>
<xsd:enumeration value="P 3 2 1"/>
<xsd:enumeration value="P 6"/>
<xsd:enumeration value="P 6 2 2"/>
</xsd:restriction>
</xsd:simpleType>
</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_2d_crystal_entity identifies an assembly component with 2d crystal symmetry. This data item is a pointer to attribute id in category em_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_2d_crystal_entity must uniquely identify a set of the crystal parameters for this assembly component.</xsd:documentation>
</xsd:annotation>
</xsd:attribute>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType> |