<xsd:complexType name="struct_sheetType">
<xsd:annotation>
<xsd:documentation xml:lang="en">Data items in the STRUCT_SHEET category record details about the beta-sheets. Example 1 - simple beta-barrel. N O N O N O N O N O N O 10--11--12--13--14--15--16--17--18--19--20 strand_a N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 30--31--32--33--34--35--36--37--38--39--40 strand_b N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 50--51--52--53--54--55--56--57--58--59--60 strand_c N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 70--71--72--73--74--75--76--77--78--79--80 strand_d N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 90--91--92--93--94--95--96--97--98--99-100 strand_e N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 110-111-112-113-114-115-116-117-118-119-120 strand_f N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 130-131-132-133-134-135-136-137-138-139-140 strand_g N O N O N O N O N O / \ / \ / \ / \ / \ N O N O N O N O N O N O 150-151-152-153-154-155-156-157-158-159-160 strand_h N O N O N O N O N O / \ / \ / \ / \ / \ <PDBx:struct_sheetCategory> <PDBx:struct_sheet id="sheet_1"> <PDBx:details xsi:nil="true" /> <PDBx:number_strands>8</PDBx:number_strands> <PDBx:type>beta-barrel</PDBx:type> </PDBx:struct_sheet> </PDBx:struct_sheetCategory> Example 2 - five stranded mixed-sense sheet with one two-piece strand. N O N O N O N O -10--11--12--13--14--15--16--17--18-> strand_a N O N O N O N O N O | | | | | | | | | | O N O N O N O N O N <-119-118-117-116-115-114-113-112-111-110- strand_b O N O N O N O N O N \ / \ / \ / \ / \ O N O N O N O N O N O N <-41--40--39--38--37--36--35--34--33--32--31--30- strand_c O N O N O N O N O N O N | | | | | | | | | | | | N O N O N O N O N O N O strand_d1 -50--51--52-> -90--91--92--93--95--95--96--97-> strand_d2 N O N O N O N O N O | | | | | | | | | | | | O N O N O N O N O N O N <-80--79--78--77--76--75--74--73--72--71--70- strand_e O N O N O N O N O N <PDBx:struct_sheetCategory> <PDBx:struct_sheet id="sheet_2"> <PDBx:details>strand_d is in two pieces</PDBx:details> <PDBx:number_strands>5</PDBx:number_strands> <PDBx:type>five stranded, mixed-sense</PDBx:type> </PDBx:struct_sheet> </PDBx:struct_sheetCategory></xsd:documentation>
</xsd:annotation>
<xsd:sequence>
<xsd:element name="struct_sheet" minOccurs="0" maxOccurs="unbounded">
<xsd:complexType>
<xsd:all>
<xsd:element name="details" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
<xsd:annotation>
<xsd:documentation xml:lang="en">A description of special aspects of the beta-sheet.</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="number_strands" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:integer">
<xsd:annotation>
<xsd:documentation xml:lang="en">The number of strands in the sheet. If a given range of residues bulges out from the strands, it is still counted as one strand. If a strand is composed of two different regions of polypeptide, it is still counted as one strand, as long as the proper hydrogen- bonding connections are made to adjacent strands.</xsd:documentation>
</xsd:annotation>
</xsd:element>
<xsd:element name="type" minOccurs="0" maxOccurs="1" nillable="true" type="xsd:string">
<xsd:annotation>
<xsd:documentation xml:lang="en">A simple descriptor for the type of the sheet. jelly-roll Rossmann fold beta barrel</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 struct_sheet must uniquely identify a record in the STRUCT_SHEET list. Note that this item need not be a number; it can be any unique identifier.</xsd:documentation>
</xsd:annotation>
</xsd:attribute>
</xsd:complexType>
</xsd:element>
</xsd:sequence>
</xsd:complexType> |