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Table 1 The lengths (bp) of STRs with different repeat unit types and different iterations in the segment of the reported human reference X chromosomal sequence at the location of 144,822–231,384 bp

From: Relatively semi-conservative replication and a folded slippage model for short tandem repeats

Iteration

Monoa

Di

Tri

Tetra

Penta

Hexa

Total

I2

(18128)b

10,040

3540

2056

1250

480

17,366

I3

9702

1782

288

156

45

18

11,991

I4

3844

368

12

112

–

–

4336

I5

2095

120

15

20

–

–

2250

I6

600

24

18

0

–

–

642

I7

182

14

-c

28

–

–

224

I8

128

16

–

0

–

–

144

I9

54

18

–

36

–

–

108

I10

50

0

–

–

–

–

50

I11

55

22

–

–

–

–

77

I12

24

–

–

–

–

–

24

I13

65

–

–

–

–

–

65

I14

56

–

–

–

–

–

56

I15

45

–

–

–

–

–

45

I16

64

–

–

–

–

–

64

I17

0

–

–

–

–

–

0

I18

36

–

–

–

–

–

36

I19

19

–

–

–

–

–

19

I20

0

–

–

–

–

–

0

I21

42

–

–

–

–

–

42

I22

0

–

–

–

–

–

0

I23

23

–

–

–

–

–

23

I24

0

–

–

–

–

–

0

I25

25

–

–

–

–

–

25

I26

–

–

–

–

–

–

–

I27

–

–

–

–

–

–

–

I28

–

–

–

–

–

–

–

Sum

17,109

12,404

3873

2408

1295

498

37,587

  1. a Mononucleotide repeat (Mono), Dinucleotide repeat (Di), Trinucleotide repeat (Tri), Tetranucleotide repeat (Tetra), Pentanucleotide repeat (Penta), Hexanucleotide repeat (Hexa)
  2. b The length of mononucleotide repeats with iterations of 2 was not included in this statistics and just used as the reference here
  3. c Beyond the largest iteration of this repeat unit type in corresponding analyzed segments were expressed as “-“