Type III site-specific deoxyribonuclease explained

Type III site-specific deoxyribonuclease
Ec Number:	3.1.21.5
Cas Number:	2620833

Type III site-specific deoxyribonuclease (type III restriction enzyme, restriction-modification system) is an enzyme.^[1] This enzyme catalyses the following chemical reaction

Endonucleolytic cleavage of DNA to give specific double-stranded fragments with terminal 5'-phosphates

This group of enzymes has an absolute requirement for ATP, but does not hydrolyse it.

See also

• Restriction enzyme

Notes and References

1. Roberts RJ . Restriction enzymes and their isoschizomers . Nucleic Acids Research . 18 Suppl . 2331–65 . April 1990 . 2159140 . 331877 . 10.1093/nar/18.suppl.2331 .