3.1.13.B1: 5'-3' exoribonuclease

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For detailed information about 5'-3' exoribonuclease, go to the full flat file.

Word Map on EC 3.1.13.B1

3.1.13.B1

decapping

sfrnas

deadenylation

flaviviruses

exonucleolytic

pyrophosphohydrolase

exoribonucleolytic

p-bodies

pre-rrnas

pacman

flaviviral

Reaction

exonucleolytic cleavage in the 5'- to 3'-direction to yield nucleoside 5'-phosphates =

Synonyms

5'-3' exoribonuclease 2, 5'-to-3' exoribonuclease, Pab-RNase J, PAB1751, Rat1, Saci-aCPSF2, Saci2362, Sso-RNase J, SSO0386, Tk-RNase J, Tk1469

ECTree

3 Hydrolases

3.1 Acting on ester bonds

3.1.13 Exoribonucleases producing 5′-phosphomonoesters

3.1.13.B1 5'-3' exoribonuclease

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2	Activating Compound
5	AA Sequence
5	Cloned(Commentary)
4	General Information
3	Inhibitors
1	Localization
4	Metals/Ions
4	Natural Substrates/ Products (Substrates)
8	Organism
5	pH Optimum
12	Protein Variants
5	Purification (Commentary)
2	Reaction
8	Reference
20	Substrates and Products (Substrate)
18	Synonyms
6	Temperature Optimum [°C]

Activating Compound

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Activating Compound on EC 3.1.13.B1 - 5'-3' exoribonuclease

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ATP

Saccharomyces cerevisiae

Q02792

ATP significantly enhances Rat1/Rai1-mediated RNAPII termination. The ATP-dependent effect seems to be unique to Rat1/Rai1. ATP addition does not stimulate the processivity of Rat1. Rather, it slightly reduces the exonuclease activity because 1 mM of ATP is sufficient to chelate the Mg2+ ion necessary for the nuclease activity of Rat1, suggesting that ATP affects Rat1-mediated termination in a somewhat different manner

751722

additional information

2 entries