Name	Type	Attributes	Definition
sequence_id	string	required, identifier, nullable	unique identifier of this UnrearrangedSequence within the file
sequence	string	required	"Sequence of interest described in this record. Typically, this will include gene and promoter region.
"
curation	string	optional, nullable	Curational notes on the sequence
repository_name	string	required, nullable	Name of the repository in which the assembly or contig is deposited
repository_ref	string	required, nullable	Queryable id or accession number of the sequence published by the repository
patch_no	string	optional, nullable	Genome assembly patch number in which this gene was determined
gff_seqid	string	required, nullable	"Sequence (from the assembly) of a window including the gene and preferably also the promoter region.
"
gff_start	integer	required, nullable	"Genomic co-ordinates of the start of the sequence of interest described in this record in  Ensemble GFF version 3.
"
gff_end	integer	required, nullable	"Genomic co-ordinates of the end of the sequence of interest described in this record in  Ensemble GFF version 3.
"
strand	string	required, nullable	sense (+ or -)