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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.

From: Cloning, analysis and functional annotation of expressed sequence tags from the Earthworm Eisenia fetida

Gene Ontology term Unique sequences Percentage of total matches
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%