Table 1 The differential proteins identified by MALDI-TOF/MS.

1

Outer dense fiber protein 2

ODF2

Q5BJF6

73292.6

472

Down

2

A-kinase anchor protein 4

AKAP4

Q5JQC9

93385.1

385

Down

3

Pyruvate kinase

PKM

P14618

65888.8

245

Down

4

T-complex protein 1 subunit gamma

CCT3

P49368

60424.3

80

UP

5

Glyceraldehyde-3-phosphate dehydrogenase, testis-specific

GAPDHS

O14556

44472.8

178

Down

7

ATP synthase subunit beta, mitochondrial

ATP5B

P06576

56524.6

590

Down

8

ATP synthase subunit alpha, mitochondrial

ATP5A1

P25705

59713.6

227

Down

9

Alpha-enolase

ENO1

P06733

47139.3

326

Down

10

Elongation factor 1-gamma

EEF1G

P26641

56114.4

235

UP

11

Fructose-bisphosphate aldolase A

ALDOA

P04075

39395.3

140

Down

12

Tubulin alpha-3C/D chain

TUBA3C

Q13748

49927.6

177

Down

13

Tubulin alpha-3EChain

TUBA3E

Q6PEY2

49884.6

177

Down

14

L-lactate dehydrogenase A-like 6B

LDHAL6B

Q9BYZ2

41916.2

89

Down

15

SRA stem-loop-interacting RNA-binding protein,mitochondrial

SLIRP

Q9GZT3

12341.4

59

UP

16

Mirror-image polydactyly gene 1 protein

MIPOL1

Q8TD10

30255.6

43

UP

17

Uncharacterized protein C22orf31

C22orf31

O95567

32634.3

40

UP

18

E3 ubiquitin-protein ligase RNF34

RNF34

Q969K3

41613.5

46

UP

19

ADP-ribosylation factor-related protein 1

ARFRP1

Q13795

22599.4

34

UP

20

Tubulin beta-6 chain

TUBB6

Q9BUF5

50058.1

76

Down

21

Peroxiredoxin-6

PRDX6

P30041

25019.2

113

Up

22

Sperm protein associated with the nucleus on the X chromosome B1

SPANXB1

Q9NS25

11832.8

127

Down

23

Sperm protein associated with the nucleus on the X chromosome A1/A2

SPANXA1

Q9NS26

11790.7

104

Down

24

Sperm protein associated with the nucleus on the X chromosome C

SPANXC

Q9NY87

10995.4

107

Down

25

Sperm protein associated with the nucleus on the X chromosome D

SPANXD

Q9BXN6

11022.4

360

Down

26

Gamma-enolase

ENO2

P09104

47239

171

Down