3.1.26.1: Physarum polycephalum ribonuclease

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For detailed information about Physarum polycephalum ribonuclease, go to the full flat file.

Endonucleolytic cleavage to a 5'-phosphomonoester =

RNase Phyb

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Results	in table
3	AA Sequence
1	Application
1	CAS Registry Number
1	Inhibitors
1	Localization
1	Metals/Ions
2	Molecular Weight [Da]
1	Natural Substrates/ Products (Substrates)
3	Organism
4	pH Optimum
3	pH Stability
2	pI Value
2	Purification (Commentary)
3	Reaction
2	Reaction Type
3	Reference
1	Source Tissue
1	Specific Activity [micromol/min/mg]
42	Substrates and Products (Substrate)
1	Synonyms
2	Temperature Optimum [°C]
3	Temperature Stability [°C]
1	Turnover Number [1/s]

Temperature Stability on EC 3.1.26.1 - Physarum polycephalum ribonuclease

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20 - 50

stable upto 45°C, loss of approximately 30% activity at 50°C, inactive at 55°C

pH 4.5 for 1 h : 60% of activity remains, pH 4.5 for 12 hours : 20% of activity remains

pH 4.5 for 12 hours : 55% of activity remains, pH 6.5 for 12 hours : 50% of activity remains, pH 8.5 for 12 hours : 40% of activity remains