element <locant>
Namespace:
Type:
embedded (restriction of xsd:string)
Content:
simple
Defined:
globally within xchars.xsd, see XML source
Used:
never
XML Representation Summary
<locant>
   
Content: 
{ ("alpha" | "beta" | "delta" | "epsilon" | "gamma" | "pi" | "omega" | "tau") }
</locant>
Annotation
Used in conjuction with Greek letter to specify locants in biochemical nomenclature
<br/>
Example: <locant>alpha</locant>-ketovalerate
Embedded Type Detail
Type Derivation Summary
xsd:string
  simpleType
Derivation:
restriction of xsd:string
Facets:
enumeration:
"alpha", "beta", "delta", "epsilon", "gamma", "pi", "omega", "tau"
Greek locant 'alpha' is used to indicate the atom next to the principal characteristic group
<br/>
Example: <locant>alpha</locant>-ketovalerate
XML Source
<xsd:element name="locant">
<xsd:annotation>
<xsd:documentation>
Used in conjuction with Greek letter to specify locants in biochemical nomenclature
<br/>
Example: <locant>alpha</locant>-ketovalerate
</xsd:documentation>
</xsd:annotation>
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="alpha">
<xsd:annotation>
<xsd:documentation>
Greek locant 'alpha' is used to indicate the atom next to the principal characteristic group
<br/>
Example: <locant>alpha</locant>-ketovalerate
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="beta">
<xsd:annotation>
<xsd:documentation>
Greek locant 'beta' is used to indicate the atom next to 'alpha' atom
<br/>
Example: <locant>beta</locant>-amino acids
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="delta">
<xsd:annotation>
<xsd:documentation>
Greek locant 'delta' is used to indicate the atom next to 'gamma' atom
<br/>
Example: <stereo>D</stereo>-galactonic acid <locant>delta</locant>-lactone
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="epsilon">
<xsd:annotation>
<xsd:documentation>
Greek locant 'epsilon' is used to indicate the atom next to 'delta' atom
<br/>
Example: <locant>epsilon</locant>-hydroxycaproic acid
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="gamma">
<xsd:annotation>
<xsd:documentation>
Greek locant 'gamma' is used to indicate the atom next to 'beta' atom
<br/>
Example: <locant>gamma</locant>-aminobutyric acid
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="pi">
<xsd:annotation>
<xsd:documentation>
Greek locant 'pi' is used to indicate the proximal ('pros') nitrogen atom of the imidazole ring of histidine
and related compounds
<br/>
Example: <element>N</element><smallsup><locant>pi</locant></smallsup>-histidino group
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="omega">
<xsd:annotation>
<xsd:documentation>
Greek locant 'omega' is used to indicate the last atom in the chain (the most distant from
the principal characteristic group)
<br/>
Example: alkane-<locant>alpha</locant>,<locant>omega</locant>-diamines
<br/>
Example: <element>N</element><smallsup><locant>omega</locant></smallsup>-<stereo>L</stereo>-arginino group
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
<xsd:enumeration value="tau">
<xsd:annotation>
<xsd:documentation>
Greek locant 'tau' is used to indicate the distal ('tele') nitrogen atom of the imidazole ring of histidine
and related compounds
<br/>
Example: <element>N</element><smallsup><locant>tau</locant></smallsup>-methylhistamine
</xsd:documentation>
</xsd:annotation>
</xsd:enumeration>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>

XML Schema documentation generated with DocFlex/XML (Kit) v1.5.4
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