3.2.2.1: purine nucleosidase

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For detailed information about purine nucleosidase, go to the full flat file.

Reaction

Synonyms

6-oxopurine nucleosidase, CELE_Y43F8C.13, IAG nucleoside hydrolase, IAG-NH, IAG-nucleoside hydrolase, IAGNH, IG-NH, inosine-adenosine-guanosine nucleoside hydrolase, inosine-adenosine-guanosine-preferring nucleoside hydrolase, inosine-guanosine nucleoside hydrolase, inosine-guanosine-specific nucleoside hydrolase, inosine/adenosine/guanosinepreferring NH, IU-nucleoside hydrolase, IunH, N-ribosyl purine ribohydrolase, N-ribosyl-purine ribohydrolase, NSH3, nucleosidase, nucleosidase g, nucleoside hydrolase, PpNRH1, purine beta-ribosidase, purine hydrolase, purine NRH, Purine nucleosidase, purine nucleoside hydrolase, purine nucleoside N-ribohydrolase, purine ribonucleosidase, purine specific nucleoside hydrolase, purine-preferring nucleoside hydrolase, purine-specific hydrolase, purine-specific inosine-adenosine-guanosine nucleoside hydrolase, purine-specific inosineadenosine-guanosine nucleoside hydrolase, purine-specific NH, purine-specific nucleoside hydrolase, purine-specific ribonucleoside hydrolase, ribonucleoside hydrolase, rih1, rih2, RihC, SsIAG-NH, SslAG-NH, SSO2243, Tb927.3.2960, URH1, URH2, ZmNRH3

ECTree

     3 Hydrolases

         3.2 Glycosylases

             3.2.2 Hydrolysing N-glycosyl compounds

                3.2.2.1 purine nucleosidase

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Results	in table
2	Activating Compound
1462	AA Sequence
5	Application
1	CAS Registry Number
20	Cloned(Commentary)
14	Crystallization (Commentary)
10	Disease/ Diagnostics
11	General Information
6	General Stability
2	IC50 Value
192	Inhibitors
53	kcat/KM [mM/s]
131	Ki Value [mM]
138	KM Value [mM]
4	Localization
9	Metals/Ions
25	Molecular Weight [Da]
12	Natural Substrates/ Products (Substrates)
3	Organic Solvent Stability
122	Organism
9	Pathway
79	PDB ID
19	pH Optimum
5	pH Range
12	pH Stability
2	pI Value
32	Protein Variants
25	Purification (Commentary)
4	Reaction
2	Reaction Type
80	Reference
32	Source Tissue
11	Specific Activity [micromol/min/mg]
4	Storage Stability
222	Substrates and Products (Substrate)
15	Subunits
86	Synonyms
1	Systematic Name
10	Temperature Optimum [°C]
5	Temperature Range [°C]
17	Temperature Stability [°C]
103	Turnover Number [1/s]

General Stability

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General Stability on EC 3.2.2.1 - purine nucleosidase

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GENERAL STABILITY

ORGANISM

UNIPROT

LITERATURE

dithioerythritol, 50 mM, 69% inhibition

Bacillus cereus

-

326383

IAG-NH is characterized by remarkable resistance to guanidinium chloride-induced unfolding

Saccharolobus solfataricus

-

695873

much activity is lost on lyophilization or dialysis even against the alkaline buffers

Lactobacillus delbrueckii

-

326386

once thawed, enzyme stocks are kept at 4°C and used over a period of several days but never refrozen to avoid activity loss

Trypanosoma vivax

Q9GPQ4

698781

urea, 8 M, 49% loss of activity

Bacillus cereus

-

326383

urea, 8 M, plus dithiothreitol, 50 mM, 48% inhibition

Bacillus cereus

-

326383