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Table 3 Genomic classification of the 454 sequencing reads

From: A transcriptional sketch of a primary human breast cancer by 454 deep sequencing

Sequence class Number of reads
Intergenic Unspliced 6,298
Intergenic Spliced 402
Intragenic Unspliced – total 97,690
   3 TERM 2,475
(Poli-A) (989)
(INTERNAL) (1,486)
   5 TERM 2,807
(TSS) (1,113)
(INTERNAL) (1,694)
   EXON 1,331
INTRAEXON 64,326
INTRON 26,751
Intragenic Spliced 10,037
Total 114,427
  1. Abbreviations: 3 TERM, read which extend the annotated 3'term of the target gene. Poli-A: read which extends at 3' the last exon. INTERNAL: read which extends at 3' any exon except the last. 5 TERM: read which extend the annotated 5' term of the target gene. TSS: read which extends at 5' the first exon. INTERNAL: read which extends at 5' any exon except the first. EXON: read mapping inside an exon with one or both ends coincident with exon boundaries. INTRAEXON: read mapping completely inside an exon of the target gene. INTRON: read mapping completely inside an intron.