seq 

(sequence) assigns a sequence number related to the order in which the
encoded features carrying this attribute are believed to have occurred.

Attribute Information

Used By

Attribute Group tei:att.transcriptional.attribute.seq

Source 

<xs:attribute name="seq" type="xs:nonNegativeInteger">
  <xs:annotation>
    <xs:documentation>(sequence) assigns a sequence number related to the order in which the encoded features carrying this attribute are believed to have occurred.</xs:documentation>
  </xs:annotation>
</xs:attribute>

Sample