Restriction enzyme and DNA. Computer model showing an EcoRI endonuclease enzyme (ribbons) bound to a DNA (deoxyribonucleic acid) strand (blue and pink

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Restriction enzyme and DNA. Computer model showing an EcoRI endonuclease enzyme (ribbons) bound to a DNA (deoxyribonucleic acid) strand (blue and pink, and rods, centre). EcoRI is an enzyme isolated from strains of E. coli bacteria. It is part of the restriction modification (RM) system used by bacteria to protect themselves from foreign DNA, such as that used by bacteriophage viruses. It is used in molecular biology as a restriction enzyme - an enzyme that cuts DNA at specific recognition nucleotide sequences known as restriction sites.

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Size: 3621px × 4828px
Photo credit: © RAMON ANDRADE 3DCIENCIA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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