All UniProtKB/Swiss-Prot entries corresponding to class 3.1.21.-.
The following ENZYME entries belong to class 3.1.21.-:
3.1.21.1 Deoxyribonuclease I. 3.1.21.2 Deoxyribonuclease IV (phage-T(4)-induced). 3.1.21.3 Type I site-specific deoxyribonuclease. 3.1.21.4 Type II site-specific deoxyribonuclease. 3.1.21.5 Type III site-specific deoxyribonuclease. 3.1.21.6 CC-preferring endodeoxyribonuclease. 3.1.21.7 Deoxyribonuclease V.