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Literature summary for 3.1.13.4 extracted from

  • Virtanen, A.; Martinez, J.; Ren, Y.G.
    Purification of poly(A)-specific ribonuclease (2001), Methods Enzymol., 342, 303-309.
    View publication on PubMed

Metals/Ions

Metals/Ions Comment Organism Structure
K+ required, optimal at about 100 mM Homo sapiens
K+ required, optimal at about 100 mM Bos taurus
K+ required, optimal at about 100 mM Xenopus sp.
Mg2+ required, optimal at about 1 mM, preferred kind of divalent cation Homo sapiens
Mg2+ required, optimal at about 1 mM, preferred kind of divalent cation Bos taurus
Mg2+ required, optimal at about 1 mM, preferred kind of divalent cation Xenopus sp.
Na+ may substitute for K+, but less effective Homo sapiens
Na+ may substitute for K+, but less effective Bos taurus
Na+ may substitute for K+, but less effective Xenopus sp.

Organism

Organism UniProt Comment Textmining
Bos taurus
-
-
-
Homo sapiens
-
-
-
Xenopus sp.
-
-
-

Purification (Commentary)

Purification (Comment) Organism
overview on conditions Homo sapiens
overview on conditions Bos taurus
overview on conditions Xenopus sp.

Source Tissue

Source Tissue Comment Organism Textmining
HeLa cell
-
Homo sapiens
-
oocyte
-
Xenopus sp.
-
thymus
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
overview on assay methods and conditions Homo sapiens
additional information
-
overview on assay methods and conditions Bos taurus
additional information
-
overview on assay methods and conditions Xenopus sp.

Storage Stability

Storage Stability Organism
-70°C, stable for several months Homo sapiens
-70°C, stable for several months Bos taurus
-70°C, stable for several months Xenopus sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information enzyme is 5-6 times more active if the substrate is m7G(5’)ppp(5’)G capped Homo sapiens ?
-
?
additional information enzyme is 5-6 times more active if the substrate is m7G(5’)ppp(5’)G capped Bos taurus ?
-
?
additional information enzyme is 5-6 times more active if the substrate is m7G(5’)ppp(5’)G capped Xenopus sp. ?
-
?
poly(A)-mRNA + H2O
-
Homo sapiens 5'-AMP
-
?
poly(A)-mRNA + H2O
-
Bos taurus 5'-AMP
-
?
poly(A)-mRNA + H2O
-
Xenopus sp. 5'-AMP
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Homo sapiens
7
-
-
Bos taurus
7
-
-
Xenopus sp.