obsolete regulation of type I site-specific deoxyribonuclease activity https://github.com/geneontology/go-ontology/issues/22455 true GO:0032084 regulation of type I restriction endodeoxyribonuclease activity type I restriction endodeoxyribonuclease regulator biological_process OBSOLETE. Any process that modulates the frequency, rate or extent of a type I restriction endodeoxyribonuclease activity. This term was obsoleted because it represents a molecular function. type I restriction enzyme regulator