Tag represents the 10bp
SAGE tag adjacent to the NlaIII site; Gene represents the gene or
genes corresponding to a particular tag (multiple genes that match
unique tags are from related families, with an average identity
of 93%); Locus and Description denote the locus name, and functional
description of each ORF, respectively; Copies/cell represents the
abundance of each transcript in the SAGE library, assuming 15,000
total transcripts per cell and 60,633 ascertained transcripts.