Table 1. STACK clustering and clonelinking information.

Tissue	Input sequences	Singletons	Multi-sequence clusters	Linked sequences	Average length of linked sequences (bases)
Adipose	2376	1693	181	0
Brain	229 005	46 336	225 88	11 018	1128.8
Cochlea	8494	3543	1220	265	746.8
Connective	47 081	14 433	5197	1626	973.2
Digestive	142 659	20 430	10 643	1971	1444.7
Disease	327 613	53 074	14 423	2582	948.6
Eye	28 554	14 308	3486	4207	789.5
Genomic	166 358	42 795	16 918	1740	749
Gland	172 314	34 629	16 972	4734	1245.2
Heart	73 941	21 902	8795	3728	922
Hemato-lymph	307 285	60 009	24 947	11674	928.3
Lung	96 917	22 218	12 669	4213	978.9
Muscle	30 512	5454	2338	1165	881.1
Olfactory	2600	1478	248	458	664
Other	26 175	9637	4356	3762	1016.6
Reproductive	293 311	50 199	28 218	10 353	1342.6
Whole-body indexa	937 782	159 743	66 081	7099	1948.3

^aThe whole-body index represent the processing of dbEST (GenBank110) and whereas the STACK tissue-level data represents processing of dbEST (GenBank115).