Table 1 Representative exon boundaries identified by long-read sequencing.

From: Nanopore sequencing reveals TACC2 locus complexity and diversity of isoforms transcribed from an intronic promoter

Start

End

Name

Length (bp)

Symmetric

Frequency

State

Position in a gene model or reported isoform

123,779,335

123,779,396

rex01 (Ex1-2)

61

No

Stable

Known

Yoshida et al., 1st exon (p10@TACC2 )

123,781,451

123,781,529

rex02 (Ex2)

78

Yes

Stable

Known

Ref seq Gene NM_206862.3 2nd exon

123,792,608

123,792,668

rex03 (Ex2-3)

60

Yes

Rare

Known

Yoshida et al. short variant 4, 3rd exon; Ensemble ENST00000491540, 2nd exon

123,794,962

123,795,075

rex04 (Ex2-3)

113

No

Rare

Novel

NA

123,809,952

123,810,065

rex05 (Ex3)

113

No

Stable

Known

Ref seq Gene NM_206862.3 3rd exon

123,822,912

123,823,005

rex06 (Ex3-4)

93

Yes

Rare

Novel

NA

123,838,491

123,839,151

rex07 (Ex3-4)

660

Yes

Rare

Partially known

Ensembl ENST00000498721, 4th exon

123,842,161

123,847,474

rex08 (Ex4)

5313

Yes

Variable

Known

Ref seq Gene NM_206862.3 4th exon

123,847,992

123,848,106

rex09 (Ex5)

114

Yes

Variable

Known

Ref seq Gene NM_206862.3 5th exon

123,892,123

123,892,249

rex10 (Ex6)

126

Yes

Variable

Known

Ref seq Gene NM_206862.3 6th exon

123,903,086

123,903,221

rex11 (Ex7)

135

Yes

Variable

Known

Ref seq Gene NM_206862.3 7th exon

123,943,555

123,943,720

rex12 (Ex-8)

165

Yes

Rare

Novel

NA

123,954,554

123,954,691

rex13 (Ex8)

137

No

Stable

Known

Ref seq Gene NM_206862.3 8th exon

123,962,081

123,962,141

rex14 (Ex8-9)

60

Yes

Rare

Partially known

SIB Gene, HTR001818.10.1839.19, 8th exon

123,969,388

123,969,484

rex15 (Ex8-9)

96

Yes

Rare

Known

Ref seq Gene NM_001291879.1

123,969,911

123,971,223

rex16 (Ex9)

1312

No

Stable

Known

Ref seq Gene NM_206862.3 9th exon

123,972,856

123,972,892

rex17 (Ex9-10)

36

Yes

Rare

Known

Yoshida et al. long variant 6, 10th exon ; UCSC gene, variat 7, 4th exon

123,974,905

123,974,966

rex18 (Ex10)

61

No

Stable

Known

Ref seq Gene NM_206862.3 10th exon

123,976,141

123,976,343

rex19 (Ex11)

202

No

Stable

Known

Ref seq Gene NM_206862.3 11th exon

123,984,240

123,984,302

rex20 (Ex12)

62

No

Stable

Known

Ref seq Gene NM_206862.3 12th exon

123,985,880

123,985,996

rex21 (Ex13)

116

No

Stable

Known

Ref seq Gene NM_206862.3 13th exon

123,987,351

123,987,523

rex22 (Ex14)

172

NO

Stable

Known

Ref seq Gene NM_206862.3 14th exon

123,988,860

123,989,001

rex23 (Ex15)

141

Yes

Rare

Known

Ref seq Gene NM_206862.3 15th exon

123,996,909

123,997,053

rex24 (Ex17)

144

Yes

Stable

Known

Ref seq Gene NM_206862.3 17th exon

123,997,475

123,997,552

rex25 (Ex18)

77

No

Stable

Known

Ref seq Gene NM_206862.3 18th exon

124,001,472

124,001,516

rex26 (Ex19)

44

No

Stable

Known

Ref seq Gene NM_206862.3 19th exon

124,008,157

124,008,318

rex27 (Ex20)

161

No

Stable

Known

Ref seq Gene NM_206862.3 20th exon

124,008,564

124,008,671

rex28 (Ex21)

107

No

Stable

Known

Ref seq Gene NM_206862.3 21st exon

124,009,058

124,009,089

rex29 (Ex22)

31

No

Stable

Known

Ref seq Gene NM_206862.3 22nd exon

  1. Genomic coordinates (start, end) on chromosome 10 are based on GRCh37 human genome assembly (hg19). Exon names are prefixed by “rex” (e.g., rex01), with exon order in a previous study6 indicated in parentheses (e.g., Ex2 indicates the second exon, and Ex2-3 indicates an intron between the second and third exons). When the number of nucleotides in an exon is a multiple of 3, it is referred as symmetric and could be skipped without a change in the reading frame.
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