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Table 2 Transcription potential, localization, and number of vertebrate

From: Shuffling of cis-regulatory elements is a pervasive feature of the vertebrate lineage

SCE typea

Totalb

Codingc

Noncodingd

Totale

27,196

5,769

21,427

Pre-genef

8,387

1,363

7,024

Introng

11,657

1,838

9,819

Post-geneh

7,152

2,568

4,584

  1. aType of SCE. bTotal number of SCEs, including genic and nongenic. cNumber of genic SCEs: overlapping EMBL proteins, ESTs, GenScan predictions, and Ensembl genes. dNumber of nongenic SCEs: not overlapping EMBL proteins, ESTs, GenScan, and Ensembl genes. eTotal number of SCEs, including pre-gene, intronic, and post-gene. fNumber of pre-gene SCEs: SCEs localized before the translation start of the reference gene. gNumber of intronic SCEs: SCEs localized within the introns of the reference gene. hNumber of post-gene SCEs: SCEs localized after the translation end of the reference gene. EST, expressed sequence tag; SCE, shuffled conserved element.