Skip to main content

Table 1 The major proteins and peptides of the C. nemoralis shell: 59 proteins and peptides (with an iBAQ percentage of more than 0.1) constitute 93% of the identifiable C. nemoralis shell proteome

From: Characterization of the pigmented shell-forming proteome of the common grove snail Cepaea nemoralis

Isotig

Similarity to (best match)

E-value

Identity

Protein features1

Fraction

Unique + razor peptides

% of total (iBAQ)

123

None

-

-

(12% G, 18% P)

S > I

15

26.22

1152

None

-

-

(16% G, 15% M, 10% S); SP

S > I

3

15.55

7508

None

-

-

SP

S < I

15

6.44

1265

None

-

-

(12% G)

S > I

9

4.40

2668

Q4LDE5

2.0e-8

32%

Domains: Sushi/SCR/CCP; (10% A, 13% G, 10% S); SP

S > I

13

3.87

Homo sapiens

21112

None

-

-

(18% P, 10% N)

S > I

8

3.41

14344

None

-

-

(17% Q, 10% L, 17% P)

S < I

11

2.96

821

J7Q5J6

8.7e-11

29.9%

Similar to BSMP; Domains: CBM_14/ CHIT_BIND_II

S < I

15

2.45

Patella vulgata

4164

None

-

-

Similarity to UP2_HALAI (e-value 0.19; 28.1% identity)

S > I

3

2.07

58150

K1QZ49

1.2e-40

35.1%

Similar to adipocyte plasma membrane-associated protein; Domains: TolB_like/ strictosidine synthase; see also contig_221 and contig_16710; SP

S < I

16

1.98

Crassostrea gigas

5087

None

-

-

TM

S < I

39

1.60

35852

None

-

-

(11% A, 11% P)

S > I

14

1.46

12941

None

-

-

(18% D, 14% L)

S < I

12

1.37

10584

None

-

-

(16% D, 10% E)

S < I

14

1.35

2108

None

-

-

(10% A, 10% Q)

S < I

8

1.32

1850

None

-

-

(22% P); SP

S > I

15

1.31

201

None

-

-

(11% N, 10% Q); SP

S < I

11

1.20

1504

None

-

-

(16% G, 12% L, 21% M, 10% S in 58AA); SP

S > I

1

1.15

16878

None

-

-

(29% Q, 16% P)

S > I

3

1.08

2744

None

-

-

(10% K, 10% S)

S < I

14

0.90

551

None

-

-

(Fragment of 67AA containing 18% G, 22% M, 12% P)

S > I

3

0.85

7809

None

-

-

(21% D, 16% L)

S < I

17

0.83

25891

J7QJT8

6.3e-25

34.7%

Domains: αCA; SP

S < I

42

0.59

Patella vulgata

3938

None

-

-

SP

S > I

2

0.58

1188 + 4282

K1P9P0

1.2e-27

47.0%

Mesenchyme-specific cell surface glycoprotein; Domains:WD40/YVTN repeat-like

S < I

15

0.53

Crassostrea gigas

4.4e-21

50.9%

7563

None

-

-

-

S,I

6

0.51

6176

None

-

-

(11% A, 11% G, 12% M)

S > I

7

0.49

1604

None

-

-

(31% Q, 23% P)

S > I

2

0.48

269

None

-

-

(18% G)

S < I

8

0.44

14003

K1PRD3

3.6e-22

30.1%

Similar to IgGFc-binding protein; Domains: CBM_14/CHIT_BIND_II; shares peptide with 101824

S,I

18

0.38

Crassostrea gigas

1647

None

-

-

Domains:Sushi/SCR/CCP; (12% P, 11% S, 11% T)

S > I

9

0.38

450

68CYM6

9.9e-67

74.2%

G-type lysozyme;SP

S < I

5

0.36

Physella acuta

1323

A7T0W4

1.3e-26

40.5%

Domains: polysaccharide deacetylase/chitinase

S < I

7

0.32

Nematostella vectensis

101824

K1QJK2

2.1e-22

29.4%

Domains: CBM_14/ CHIT_BIND_II

S < I

29

0.31

Crassostrea gigas

84589

K1QIK2

5.4e-41

29.2%

Domains: CBM_14/ CHIT_BIND_II; also see contig_101824

S < I

29

0.30

Crassostrea gigas

132

None

-

-

(12% Q)

S < I

21

0.29

28994*

K1QPM9

1.5e-22

45.6%

Similar to fatty acid-binding protein, brain

S,I

7

0.24

Crassostrea gigas

32297

None

-

-

(14% G, 10% P); SP

S > I

2

0.23

74063

None

-

-

(10% G, 13% L, 20% P); SP

S,I

1

0.22

263

None

-

-

-

S < I

1

0.21

63304

K1Q365

9.6e-55

29.8%

AA 127–818 similar to lactadherin; Domains: CBM_14/CHIT_BIND_II

S < I

26

0.21

Crassostrea gigas

227

D3BGG3

8.1e-5

23.9%

Similar to Zipper-like Domains-containing protein

S < I

14

0.20

Polysphondylium pallidum

691

A5Z1D6

1.4e-89

43.3%

Similar to epiphragmin; Domains: Fibr_C; SP

S < I

31

0.20

Cernuella virgata

2357

None

-

-

AA 395–528 similar to Domains: LDL_recept_a; (15% T); SP

S,I

12

0.19

572*

IFEA

1.7e-118

96.9%

Non-neuronal cytoplasmic intermediate filament protein

S < I

32

0.19

Helix aspersa

7323

A7RQD5

6.2e-41

32.2%

SP

S < I

25

0.19

Nematostella vectensis

3883

K1Q9V3

5.9e-190

86.2%

V-type proton ATPase catalytic subunit A

S < I

27

0.17

Crassostrea gigas

943*

G0ZGZ8

5.2e-38

97.8%

Actin

S < I

3

0.16

Metaphire posthuma

169764

R7VB66

3.0e-31

54.5%

SP

S < I

6

0.16

Capitella telata

104312

R7TB34

2.4e-5

45.5%

Similar to α-carbonic anhydrase; Domains: α-CA_2

S,I

4

0.14

Capitella telata

196388

None

-

-

(12% A, 11% G, 11% P, 14% S);

S < I

1

0.14

2858

H2ZUY5

5.5e-41

44.6%

Similar to adipocyte plasma membrane-associated protein; Domains: TolB_like/strictosidine:synthase_related

S < I

11

0.14

Latimeria chalumnae

248122

C3Z1I6

6.1e-15

38.8%

Similar to chitinase; Domains: glyco_hydro_18/chitinase

S < I

4

0.13

Branchiostoma floridae

7807

None

-

-

Domains: WAP; (12% A, 11% Q); SP

S < I

15

0.12

1237

K1QI28

1.9e-191

89.8%

V-type proton ATPase subunit B

S < I

18

0.11

Crassostrea gigas

20308

Q2LZN0

1.6e-9

27.0%

AA 49–467 similar to Dpse/GA10422/alkaline phosphatase; Domains: alkaline phosphatase; SP

S < I

14

0.11

Drosophila pseudoobscura

20360

H9K6W1

3.9e-37

37.5%

Similar to cadherin; Domains: cadherin; see also contig_75801

S < I

8

0.11

Apis mellifera

31170

K7S1Q8

3.2e-37

35.0%

Domains: CMB_14/CHIT_BIND_II; SP

S < I

17

0.11

Propionibacterium acidipropionici

  1. All proteins listed here were found in all pigment fractions (yellow, orange and dark brown) with the exception of isotig_169764 which was only found in yellow and orange fractions. Proteins and peptides are listed in order of abundance expressed as a percentage of the shell total proteome that we can identify.
  2. 1The percentages of particularly abundant amino acid residues are given in brackets. “SP” indicates the presence of a signal peptide, “TM” indicates a likely trans-membrane protein.