Table 1.

Summary of the numbers of clones, genes and UniGene clusters falling into various categories at different stages in the mutual-validation procedure

Category	Oligo chip	cDNA array
Total number of oligo sequences or cDNA clones	6,810	9,706
Number of unique UniGene clusters (number of sequences)	5,280 (5,720 sequences)	8,426 (9,271 clones)
Number of UniGene clusters including more than one transcript from each array type	494 (9.4%, max 4)	1,259 (14.9%, max 9)
Number of sequences belonging to more than one UniGene cluster	47 sequences(0.9%, max 11)	761 clones (8.2%, max 2)
Numbers of UniGene clusters (number of sequences) represented on both array types	3,153 (3,520 sequences)	3,153 (3,993 clones)
Numbers of UniGene clusters (number of sequences) represented on both array types after removing oligo genes with > 45 thresholded values	2,344 (2,492 sequences)	2,344 (3,002 clones)
Number among the common 2,344 UniGene clusters that include more than one sequence/array	133 (5.7%, max 4)	475 (20.3%, max 9)
Number of final UniGene clusters after correlation filtering (number of sequences)	1,493 (1,564 sequences)	1,493 (1,733 clones)