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Table 1 Distribution of single domain and chimeric Hrs (> 250aa) in the main bacterial groups.

From: A phylogenomic profile of hemerythrins, the nonheme diiron binding respiratory proteins

Taxon

Single domain Hrs

Total chimeric Hrs

Chimeric N-terminal

Chimeric C-terminal

Acidobacteria

8

-

-

-

Actinobacteria

2

-

-

-

Aquificiaea

2

-

-

-

Cyanobacteria

2

-

-

-

Firmicutes

25

-

-

-

Planctomycetes

1

1

1

-

α-Proteobacteria

61

261

11

15

β-Proteobacteria

46

5

1

4

γ-Proteobacteria

23

222

8

14

δ-Proteobacteria

43

16

4

12

ε-Proteobacteria

21

4

4

-

Unclassified proteobacteria

6

103

2

8

Spirochaetes

2

-

-

-

Total

242

84

31

53

  1. 1 Magnetospirillum magneticum and M. magnetotacticum account for 19.
  2. 2 The Alteromonadales account for 16.
  3. 3 Magnetococcus sp. MC-1 accounts for 9.