1KSP: Dna Polymerase I Klenow Fragment (E.C.2.7.7.7) Mutantdna Co
reference: Structural principles for the inhibition of the 3'-5' exonuclease activity of Escherichia coli DNA polymerase I by phosphorothioates., Brautigam CA, Steitz TA, J Mol Biol 1998 Mar 27;277(2):363-77. PMID: 9514742

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