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Literature summary for 3.1.3.33 extracted from

  • Becker, A.; Hurwitz, J.
    The enzymatic cleavage of phosphate termini from polynucleotides (1967), J. Biol. Chem., 242, 936-950.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
p-hydroxymercuribenzoate in absence of sulfhydryl compounds Escherichia coli

Metals/Ions

Metals/Ions Comment Organism Structure
CoCl2 divalent metal required, 30% the rate observed with MgCl2 Escherichia coli
MgCl2 divalent metal required Escherichia coli
MnCl2 divalent metal required, 60% the rate observed with MgCl2 Escherichia coli
additional information no cleavage in absence of divalent metal ion Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
5'-phosphyl-terminated DNA + H2O Escherichia coli
-
?
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
B, induced by T4am82
-

Purification (Commentary)

Purification (Comment) Organism
induced by T4am82 Escherichia coli

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2460
-
-
Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5'-phosphyl-terminated DNA + H2O
-
Escherichia coli ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5
-
-
Escherichia coli

pH Range

pH Minimum pH Maximum Comment Organism
5.5 6.8 50% of maximal activity at pH 5.5 and pH 6.8 Escherichia coli