<xs:attribute name="type" type="xs:string" use="required"/>\r
<xs:attribute name="description" type="xs:string" use="optional"/>\r
<xs:attribute name="status" type="xs:string" use="optional"/>\r
+ <xs:attribute name="featureGroup" type="xs:string" use="optional"/>\r
</xs:complexType>\r
\r
<xs:complexType name="pdbentry">\r