LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
DNA polymerase with DNA. Molecular model of human DNA polymerase beta (blue) complexed with a molecule of DNA (deoxyribonucleic acid, yellow and pink). DNA polymerases are enzymes that synthesise new strands of DNA from a complementary template strand. DNA polymerase beta performs base excision repair of damaged DNA.
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