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Literature summary for 3.1.3.32 extracted from

  • Das, U.; Shuman, S.
    Mechanism of RNA 2,3-cyclic phosphate end healing by T4 polynucleotide kinase-phosphatase (2013), Nucleic Acids Res., 41, 355-365.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Tequatrovirus T4

Protein Variants

Protein Variants Comment Organism
D167N the mutant converts a RNA 2',3'-cyclic phosphate end to RNA 3'-phosphate Tequatrovirus T4
S211A the mutant transiently accumulates phosphor-RNA during 2',3'-cyclic phosphate removal Tequatrovirus T4

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3'-phospho-5'-hydroxy-RNA + H2O Tequatrovirus T4
-
?
-
?
a RNA 2',3'-cyclic phosphate end + H2O Tequatrovirus T4 the enzyme also has RNA 2'-phosphatase activity a RNA 3'-phosphate + phosphate
-
?

Organism

Organism UniProt Comment Textmining
Tequatrovirus T4
-
-
-

Purification (Commentary)

Purification (Comment) Organism
Ni-agarose column chromatography Tequatrovirus T4

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3'-phospho-5'-hydroxy-RNA + H2O
-
Tequatrovirus T4 ?
-
?
a RNA 2',3'-cyclic phosphate end + H2O the enzyme also has RNA 2'-phosphatase activity Tequatrovirus T4 a RNA 3'-phosphate + phosphate
-
?

Synonyms

Synonyms Comment Organism
PNKP
-
Tequatrovirus T4
polynucleotide kinase-phosphatase
-
Tequatrovirus T4