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Table 1 MAR/SARs predicted within the AF9 gene by using MRS

From: Matrix association region/scaffold attachment region (MAR/SAR) sequence: its vital role in mediating chromosome breakages in nasopharyngeal epithelial cells via oxidative stress-induced apoptosis

Predicted MAR/SAR

AWWRTAANNWWGNNNC (16 bp)

Nucleotide position

AATAAYAA (8 bp)

Nucleotide position

Distance (bp)

Location in exon/intron

1

ATAATAATAAAAGCCC (C)

916–931

AATAATAA (C)

AATAATAA (C)

915–922

918–925

Overlap

Overlap

Intron 1

2

ATAGTAAGGATGGCTG (W)

5636–5651

AATAATAA (W)

5694–5701

42

Intron 2

3

AAAATAACAAAGGAAG (W)

10,555–10,570

AATAACAA (W)

10,561–10,568

Overlap

Intron 2

4

AATATTATTATGGGTC (W)

26,366–26,381

AATAATAA (W)

26,420–26,427

38

Intron 2

5

AAAGTAAACTGGAAAC (C)

47,851–47,866

AATAACAA (W)

47,627–47,634

− 216

Intron 2

6

AAAATAATAATAATAC (W)

56,224–56,239

AATAATAA (W)

AATAATAA (W)

56,227–56,234

56,230–56,237

Overlap

Overlap

Intron 2

7

AAAATCATCTTGGGAC (W)

94,045–94,060

AATAACAA (W)

93,895–93,902

− 142

Intron 2

8

AAAATAATAAAAACCC (C)

108,633–108,648

AATAATAA (C)

108,635–108,642

Overlap

Intron 2

9-1

ATAATAACATTTTACC (C)

112,369–112,384

AATAATAA (C)

112,368–112,375

Overlap

Intron 2

9-2

AAAATAATAATTGTAC (C)

113,269–113,284

AATAATAA (C)

113,271–113,278

Overlap

Intron 2

10

ATTGGAATGTAGAAAC (W)

117,722–117,737

AATAACAA (W)

117,606–117,613

− 108

Intron 2

11-1

AATATAATCTAATTGC (W)

128,593–128,608

AATAACAA (C)

128,355–128,362

− 230

Intron 2

11-2

AAAATAAGTTTCCAGC (W)

129,838–129,853

AATAACAA (C)

AATAATAA (C)

129,941–129,948

129,980–129,987

87

126

Intron 2

12

ATAATAATAAAATCAC (W)

136,176–136,191

AATAATAA (W)

136,182–136,189

Overlap

Intron 2

13

AATATAATGAATATCC (C)

139,927–139,942

AATAATAA (C)

AATAATAA (C)

AATAATAA (C)

AATAATAA (C)

139,902–139,909

139,905–139,912

139,908–139,915

139,911–139,918

− 17

− 14

− 11

− 8

Intron 2

14

TTTATAAACTTGTTTC (C)

151,672–151,687

AATAATAA (W)

151,857–151,864

169

Intron 2

15

AAAATAAAAAAGAGCT (C)

158,541–158,556

AATAATAA (W)

158,593–158,600

46

Intron 2

16

AAAATAATAAATACGC (W)

170,523–170,538

AATAATAA (W)

AATAACAA (W)

170,529–170,536

170,619–170,626

Overlap

80

Intron 3a

17-1

ATAATAAATATGAATA (W)

178,638–178,653

AATAATAA (W)

178,634–178,641

Overlap

Intron 3b

17-2

AAAAGAACTAAGGTAC (W)

179,378–179,393

AATAATAA (W)

179,140–179,147

− 230

Intron 3b

18

AAGGTAAATTAGCAGC (W)

ATAATAATAATGTTCT (C)

ATAATAATGTTCTACC (C)

182,936–182,951

183,171–183,186

183,174–183,189

AATAATAA (C)

183,173–183,180

221

Overlap

Overlap

Intron 3b

19

ATTATAAGAAAAATTC (W)

ATAATAAAAATGTTAT (C)

ATAATGATCAAGTACC (C)

191,065–191,080

191,076–191,091

191,548–191,563

AATAATAA (W)

191,323–191,330

242

231

− 217

Intron 3b

20-1

AAAATAAGAAAACATC (W)

AATATAATTATGCTAA (W)

194,333–194,348

194,753–194,768

AATAATAA (W)

194,511–194,518

162

− 234

Intron 3b

20-2

AATATAAAATTGCAAG (W)

195,275–195,290

AATAATAA (C)

195,198–195,205

− 69

Intron 3b

21

AAAATAATAAAGCCAT (W)

200,768–200,783

AATAATAA (W)

200,774–200,781

Overlap

Intron 3b

22-1

ATAATAATAATAATAC (W)

215,365–215,380

AATAATAA (W)

AATAATAA (W)

AATAATAA (W)

215,368–215,375

215,371–215,378

215,374–215,381

Overlap

Overlap

Overlap

Intron 4

22-2

AAAATAAAACTGACTC (C)

ATAATTACATAGACAC (W)

215,781–215,796

216,113–216,128

AATAACAA (C)

215,941–215,948

144

− 164

Intron 4

23

ATAATAATAATGAAAG (C)

227,849–227,864

AATAATAA (C)

AATAATAA (C)

227,848–227,855

227,851–227,858

Overlap

Overlap

Intron 4

24-1

ATAATAAGTTATAGGC (W)

236,299–236,314

AATAATAA (W)

AATAATAA (C)

236,308–236,315

236,343–236,350

Overlap

28

Intron 4

24-2

AAAATAACAAAATGTC (W)

AATGTAAGCAATATCC (W)

237,605–237,620

237,817–237,832

AATAACAA (W)

237,611–237,618

Overlap

− 198

Intron 4

24-3

AATGTAAGCAATATCC (W) AAAGTATTGTAGACCC (C)

AAAATAATAAAGGGGT (W)

237,817–237,832

237,983–237,998

237,995–238,010

AATAATAA (W)

238,001–238,008

168

2

Overlap

Intron 4

24-4

TATATAATAAAGTGAC (C)

238,794–238,809

AATAATAA (W)

239,050–239,057

240

Intron 4

25-1

ATAATAATGAAGAAAG (C)

246,610–246,625

AATAATAA (C)

246,588–246,595

− 14

Intron 4

25-2

ATTGTAATATTGATTG (C)

AATATTACAATGAATC (W)

TTTATAAATTAGGGAC (W)

247,587–247,602

247,582–247,597

247,758–247,773

AATAACAA (C)

247,561–247,568

− 18

− 13

− 189

Intron 4

26-1

AAAGTAAATAAAAAAC (W)

251,265–251,280

AATAATAA (C)

251,344–251,351

63

Intron 4

26-2

AATGAAAGGAAGAGCC (W)

ATAATAATAATGAAAA (C)

252,636–252,651

252,891–252,906

AATAATAA (C)

252,893–252,900

241

Overlap

Intron 4

27

ATAATAAACTACCATC (W)

ATAATAATAAACTACC (W)

AAAATAAACTATTTTC (C)

262,931–262,946

262,934–262,949

263,198–263,213

AATAATAA (W)

262,940–262,947

Overlap

Overlap

− 250

Intron 7

28-1

AATATAATCTTGAACG (C)

265,612–265,627

AATAATAA (C)

265,768–265,775

140

Intron 7

28-2

AAAATAAAAATATGCC (C)

AATAAAAATATGCCCC (C)

ATAATAAGGCTGGGAC (C)

ATTTTAAGAATGAGTC (W)

AAGATAAATTAGGTCC (C)

266,963–266,978

266,965–266,980

267,134–267,149

267,205–267,220

267,317–267,332

AATAATAA (C)

267,133–267,140

154

152

Overlap

− 64

− 176

Intron 7

28-3

AAGATAAATTAGGTCC (C)

267,317–267,332

AATAATAA (C)

267,569–267,576

236

Intron 7

29

AAAAAAAAATTGTAAC (W)

273,593–273,608

AATAACAA (W)

273,528–273,535

− 57

Intron 9

  1. Nucleotide positions of the MRSs with their sequence composition, relative orientation (C: Crick strand and W: Watson strand), distance between the two sequence elements and location of the MRSs in the exon or intron of the AF9 gene are shown. A negative distance indicates that 8 bp sequence element precedes the 16 bp sequence element