Table 5. Functional gene classes targeted by gene-trap insertions
Class* Annotated genes Trapped genes (%)
Ligand binding or carrier 2,002 240 (12.0)
Enzyme/enzyme regulator 1,491 138 (9.3)
Transcription factors/cofactors 416 45 (10.8)
Transporter 437 25 (5.7)
Signal transducer 779 24 (3.1)
Structural protein 193 11 (5.7)
Chaperone 49 11 (22.5)
Translation regulator 27 8 (30.0)
Motor 39 7 (17.9)
Defense/immunity 44 1 (2.3)
Cell adhesion molecule 78 1 (1.3)
Apoptosis regulator 30 1 (0.3)
  • * According to GeneOntology.