<?xml version="1.0" encoding="UTF-8"?>
<!-- *****************************************************************************
UniProt Reference Clusters(UniRef)
Version: version 3.1
Date: 21-Jun-2011
Copyright (c) 2011 UniProt consortium
All rights reserved.
*******************************************************************************-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://uniprot.org/uniref" targetNamespace="http://uniprot.org/uniref" elementFormDefault="qualified">
<xs:complexType name="propertyType">
<xs:attribute name="type" type="xs:string" use="required"/>
<xs:attribute name="value" type="xs:string" use="required"/>
</xs:complexType>
<xs:complexType name="dbReferenceType">
<xs:annotation>
<xs:documentation>Database cross-references</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="property" type="propertyType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="type" type="xs:string" use="required">
<xs:annotation>
<xs:documentation>The name of the database this cross-reference is referring to.</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="id" type="xs:string" use="required">
<xs:annotation>
<xs:documentation>The ID referred to.</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:complexType name="memberType">
<xs:annotation>
<xs:documentation>UniRef50/90/100 cluster members</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="dbReference" type="dbReferenceType"/>
<xs:element name="sequence" minOccurs="0">
<xs:complexType>
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="length" type="xs:int" use="required"/>
<xs:attribute name="checksum" type="xs:string" use="required"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:complexType name="entryType">
<xs:annotation>
<xs:documentation>UniRef50/90/100 entry</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="name" type="xs:string"/>
<xs:element name="property" type="propertyType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="representativeMember" type="memberType"/>
<xs:element name="member" type="memberType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="id" type="xs:ID" use="required">
<xs:annotation>
<xs:documentation>The entry identifier.</xs:documentation>
</xs:annotation>
</xs:attribute>
<xs:attribute name="updated" type="xs:date" use="required">
<xs:annotation>
<xs:documentation>The update date for the entry.</xs:documentation>
</xs:annotation>
</xs:attribute>
</xs:complexType>
<xs:element name="UniRef100">
<xs:complexType>
<xs:sequence>
<xs:element name="entry" type="entryType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="releaseDate" type="xs:date" use="required"/>
<xs:attribute name="version" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
<xs:element name="UniRef90">
<xs:complexType>
<xs:sequence>
<xs:element name="entry" type="entryType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="releaseDate" type="xs:date" use="required"/>
<xs:attribute name="version" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
<xs:element name="UniRef50">
<xs:complexType>
<xs:sequence>
<xs:element name="entry" type="entryType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="releaseDate" type="xs:date" use="required"/>
<xs:attribute name="version" type="xs:string" use="required"/>
</xs:complexType>
</xs:element>
<xs:element name="UniRef">
<xs:complexType>
<xs:sequence>
<xs:element name="entry" type="entryType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="releaseDate" type="xs:date" use="optional"/>
<xs:attribute name="version" type="xs:string" use="optional"/>
</xs:complexType>
</xs:element>
<xs:complexType name="UniRefType">
<xs:choice>
<xs:element ref="UniRef100"/>
<xs:element ref="UniRef90"/>
<xs:element ref="UniRef50"/>
<xs:element ref="UniRef"/>
</xs:choice>
</xs:complexType>
</xs:schema>