3.1.26.9: ribonuclease [poly-(U)-specific]

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For detailed information about ribonuclease [poly-(U)-specific], go to the full flat file.

Reaction

endonucleolytic cleavage of poly(U) to fragments terminated by 3'-hydroxy and 5'-phosphate groups =

Synonyms

nuclease, ribo- (uracil-specific), ribonuclease, ribonuclease (uracil-specific), uracil-specific endoribonuclease, uracil-specific RNase

ECTree

3 Hydrolases

3.1 Acting on ester bonds

3.1.26 Endoribonucleases producing 5'-phosphomonoesters

3.1.26.9 ribonuclease [poly-(U)-specific]

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Results	in table
1	Activating Compound
1	CAS Registry Number
9	Inhibitors
1	KM Value [mM]
2	Localization
3	Metals/Ions
3	Molecular Weight [Da]
1	Natural Substrates/ Products (Substrates)
4	Organism
3	pH Optimum
1	pH Range
1	pH Stability
5	Purification (Commentary)
1	Reaction
1	Reaction Type
4	Reference
4	Source Tissue
3	Specific Activity [micromol/min/mg]
12	Substrates and Products (Substrate)
1	Subunits
5	Synonyms
2	Temperature Optimum [°C]
3	Temperature Stability [°C]

Inhibitors

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Inhibitors on EC 3.1.26.9 - ribonuclease [poly-(U)-specific]

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Cu2+

EDTA

Fe2+

Hg2+

human placental RNase inhibitor protein

Bizionia sp.

halves the RNase activity

NaCl

NEM

slight

Urea

additional information

Bizionia sp.

DTT and beta-mercaptoethanol do not inhibit the activity; no inhibition by dithiothreitol and beta-mercaptoethanol

666257