Table 1.

Cluster size distribution for the three compared D. rerio cluster datasets

Size of Cluster (number of sequences)	UniGene Build 21 24/08/01	TIGR ZGI V.7 07/08/01	CLOBB
1	4169	9914	6848
2	1824	2231	2655
3–4	1953	1956	2321
5–8	1288	1155	1407
9–16	638	506	574
17–32	270	214	230
33–64	123	103	112
65–128	37	41	33
129–256	16	24	24
257–512	12	8	9
513–1024	5	3	2
1025–2048	1	1	0
Total Clusters (from 58,888 sequences)	10336	16156	14215