Table 3 Euglena Complex IV subunits identified by mass spectrometry.

From: The atypical subunit composition of respiratory complexes I and IV is associated with original extra structural domains in Euglena gracilis

IV

Name

Accession number

MW

MW (calc)

TMH (putative)

Conserved Domain

1

COX1

comp60817_c0_seq. 2_c

38.5

45.5

10(A)

Cytochrome C oxidase subunit I (A)a,b

2

COXTB4

comp55436_c0_seq. 3_c

36.4

35.6

0

a,b

3

COX6B

comp54364_c0_seq. 4

35.1

33.0

0

a,b

4

unknown

comp57506_c0_seq. 2_c

32.6

31.7

0

a,b

5

COXTB5

gi|109781798_c

25.9

24.5

0

a,b

6

COX3

comp54737_c0_seq. 2

22.9

27.3

3 (M, C)

Heme-copper oxidase subunit III (C)a,b

7

unknown

comp53543_c0_seq. 2

22.9

20.4

1 (M)

a,b

8

unknown

comp51338_c0_seq. 1_c

22.9

19.8

0

a,b

9

unknown

comp47102_c0_seq. 2_c

22.0

20.3

1 (C)

a,b

10

COXTB2

comp54722_c0_seq. 3_c

22.0

19.7

0

a,b

11

unknown

comp55710_c0_seq. 1_c

20.9

19.9

1 (M)

a,b

12

NI

16.7

13

unknown

comp50120_c1_seq. 1_c

14.9

16.4

1 (N)

a,b

14

unknown

comp48005_c0_seq. 1_c

13.6

13.1

1 (M)

a,b

15

unknown

comp53374_c0_seq. 4_c

10.6

9.8

0

a,b

16

NI

7.2

  

Total

365

337

  
  1. NI not identified.
  2. When accesion number ends with _c, the first Methionine was used for sequence analysis.
  3. (N) Amino terminus, (C) Carboxi terminus, (M) Middle region, (A) Almost all sequence.
  4. aCCD.
  5. bDELTA-BLAST.
  6. cThe e-value threshold for the blast results was 10−5.