3.4.22.B20: PfpI endopeptidase

This is an abbreviated version!
For detailed information about PfpI endopeptidase, go to the full flat file.

Reaction

efficient cleavage of Ala-Ala-Phe-/-7-amido-4-methylcoumarinamide. Dominant protease in Pyrococcus furiosus =

Synonyms

C56.001, PfpI, PfpI endopeptidase, PfpI protease, Pyrococcus furiosus protease I

ECTree

3 Hydrolases

3.4 Acting on peptide bonds (peptidases)

3.4.22 Cysteine endopeptidases

3.4.22.B20 PfpI endopeptidase

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Results	in table
1	Activating Compound
1	AA Sequence
2	Cloned(Commentary)
2	Inhibitors
1	Localization
1	Metals/Ions
9	Molecular Weight [Da]
4	Organic Solvent Stability
3	Organism
1	pH Optimum
1	pH Range
4	pI Value
2	Purification (Commentary)
1	Reaction
1	Reaction Type
3	Reference
1	Specific Activity [micromol/min/mg]
7	Substrates and Products (Substrate)
5	Subunits
5	Synonyms
5	Temperature Optimum [°C]
2	Temperature Range [°C]
5	Temperature Stability [°C]

Substrates Products

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Substrates Products on EC 3.4.22.B20 - PfpI endopeptidase

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Ala-Ala-Phe-7-amido-4-methylcoumarin

Ala-Ala-Phe + 7-amino-4-methylcoumarin

Pyrococcus furiosus

Q51732

647387, 647388

Ala-Phe-Lys-7-amido-4-methylcoumarin

Ala-Phe-Lys + 7-amino-4-methylcoumarin

azocasein + H2O

Gelatin + H2O

Leu-Tyr-7-amido-4-methylcoumarin

Leu-Tyr + 7-amino-4-methylcoumarin

Pyrococcus furiosus

Q51732

647388

Suc-Ala-Ala-Phe-NHMec + H2O

Suc-Ala-Ala-Phe + 7-amino-4-methylcoumarin

Pyrococcus furiosus

Q51732

pH 7, NHMec = 7-amino-4-methylcoumaryl

665100

NHMec = 7-amino-4-methylcoumaryl