Table 5 Distribution of Gene Ontology molecular function terms assigned to Eisenia fetida unique sequences on the basis of their homology to the annotated genome of four model organisms. The number of total matches is 830 as shown in Table 3 and the full listing is available in Additional file 2.

antioxidant activity

2

0.24%

binding

426

51.33%

   carbohydrate binding

18

2.17%

   cofactor binding

6

0.72%

   ion binding

84

10.12%

   lipid binding

5

0.60%

   metal cluster binding

3

0.36%

   neurotransmitter binding

3

0.36%

   nucleic acid binding

53

6.39%

   nucleotide binding

68

8.19%

   pattern binding

10

1.20%

   peptide binding

4

0.48%

   protein binding

90

10.84%

   tetrapyrrole binding

5

0.60%

   vitamin binding

2

0.24%

catalytic activity

194

23.37%

   helicase activity

4

0.48%

   hydrolase activity

94

11.33%

   isomerase activity

8

0.96%

   ligase activity

7

0.84%

   lyase activity

11

1.33%

   oxidoreductase activity

46

5.54%

   small protein activating enzyme activity

3

0.36%

   transferase activity

27

3.25%

enzyme regulator activity

16

1.93%

motor activity

4

0.48%

nutrient reservoir activity

2

0.24%

signal transducer activity

26

3.13%

structural molecule activity

47

5.66%

transcription regulator activity

16

1.93%

translation regulator activity

13

1.57%

transporter activity

33

3.98%