mild proteolysis of dna polymerase i is known to produce two enzymatically active fragments ( brutlag , d. , atkinson , m. r. , setlow , p. , and kornberg , a . ( 1969 ) biochem . biophys . res . commun . 37 , 982-989 ; klenow , h. , and henningsen , i . ( 1970 ) proc . natl . acad . sci . u. s. a . 74 , 5632-5636 ) .
C0597304
proteolysis
C1418943
proc