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Table 1 Summary statistics for pyrosequencing and annotation of P. margaritifera mantle ESTs

From: Transcriptome and proteome analysis of Pinctada margaritifera calcifying mantle and shell: focus on biomineralization

Feature Number Percentage
Total number of ESTs sequenced 276 738 -
Average lenght of ESTs (bp) 234 -
Number of assembled EST 219 205 79.2%
Number of contigs 19 257 -
Number of singletons 57 533 20.8%
Number of unique sequences 76 790 -
Ratio of singletons per unique sequences - 74.9%
Number of contigs containing 2 ESTs 8 717 45.3%
Number of contigs containing 3 ESTs 3 419 17.8%
Number of contigs containing 4 ESTs 1 779 9.2%
Number of contigs containing 5 ESTs 1 119 5.8%
Number of contigs containing > 6 ESTs 4 223 21.9%
Number of annotated unique sequences: 29 479 38.4%
   - Known protein 13 064 44.3%
   - Uncharacterized 6 010 20.4%
   - Predicted 4 795 16.3%
   - Unknown, Unnamed 2 880 9.8%
   - Hypothetical protein 2 730 9.3%
Number of annotated contigs 10 007 52.2%
Number of annotated singletons 19 472 33.8%