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Table 1 PPP1R2P9 presence in human sperm

From: Not so pseudo: the evolutionary history of protein phosphatase 1 regulatory subunit 2 and related pseudogenes

Protein name

Uniprot ID

MW( Da)

pI

Protein size( aa)

Coverage

Mascot score

PPP1R2P9

IPP4_HUMAN

22,660

5.04

202

36.5%

623.41

Peptide

Range ( start - end )

Number of spectra

m/z meas.

z

Mascot score

K.NKSSSGSSVATSGQQSGGTIQDVK.R

17–40

6

770.71

3

21.95

K.SSSGSSVATSGQQSGGTIQDVK.R

19–40

6

1,034.49

2

99.44

K.SSSGSSVATSGQQSGGTIQDVKR.K

19–41

4

1,112.54

2

38.09

R.LHYNEELNIK.L

143–152

2

424.89

3

31.40

K.ANEPGTSYMSVQDNGEDSVRDVEGEDSVR.G

68–96

2

1,053.45

3

63.05

R.RLHYNEELNIK.L

142–152

1

476.92

3

29.73

R.ATYRDYDLMK.A

58–67

1

431.20

3

28.17

K.ANEPGTSYMSVQDNGEDSVR.D

68–87

1

1,086.46

2

69.26

  1. Peptides were identified by Orbitrap Velos mass spectrometry, from human sperm heat stable extracts and immunoprecipitates using rabbit anti-PPP1R2 antibodies. aa, amino acids; pI, isoelectric point.