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P3243

Phosphodiesterase I from Crotalus adamanteus venom

vial of ≥100 units, Purified

Synonim(y):

5′-Exonuclease, Oligonucleate 5′-nucleotidohydrolase

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Informacje o tej pozycji

Numer CAS:
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-806-5
MDL number:
Numer WE:
Specific activity:
≥20.0 unit/mg solid
Biological source:
Crotalus adamanteus venom
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biological source

Crotalus adamanteus venom

Quality Segment

form

solid

quality

Purified

specific activity

≥20.0 unit/mg solid

packaging

vial of ≥100 units

storage temp.

−20°C

Application

Phosphodiesterase (PDE) is any enzyme that is used to breaks phosphodiester bonds. It is a membrane-bound glycoprotein that is used to catalyze the hydrolysis of various nucleotide polyphosphates. Phosphodiesterase I is used in phosphodiesterase activation assays to hydrolyze AMP. Product P3243 is from Crotalus adamanteus venom and is purified. Product P3243 has been used to hydrolyze tRNA with wyosine derivatives into mononucleosides[1].

Biochem/physiol Actions

Phosphodiesterase I breaks phosphodiester bonds and catalyzes the hydrolysis of various nucleotide polyphosphates. Phosphodiesterase I is released from eucaryotic plasma membranes by phosphatidylinositol-specific phospholipase C.

Preparation Note

For testing purposes, PDE I is reconstituted in cold deionized water at 0.1 - 0,2 un/mL.
Purified via the method of Williams, et al.[2] and further treated to inactivate contaminating 5′-nucleotidase activity.

Other Notes

One Unit hydrolyzes one μmole of p-nitrophenyl thymidine-5-phosphate per minute at 25 °C, pH 8.9
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Ta pozycja
P3134P4506N8630
specific activity

≥20.0 unit/mg solid

specific activity

-

specific activity

-

specific activity

≥200 units/mg protein (E1%/280, 3′-5′-Phosphodiesterase)

biological source

Crotalus adamanteus venom

biological source

-

biological source

-

biological source

Penicillium citrinum

form

solid

form

crude dried venom

form

crude dried venom

form

lyophilized powder

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

packaging

vial of ≥100 units

packaging

-

packaging

-

packaging

vial of ≥250 units (using RNA substrate)


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pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Klasa składowania

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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Certyfikaty analizy (CoA)

Lot/Batch Number

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Questions

1–3 of 3 Questions  
  1. How can I inactivate the PDE before adding it on my cell culture ? Heat inactivation ? And what is the MW of this PDE ? can it be filtrated ? Thanks in advance

    1 answer
    1. Based on the available product and technical documentation, there is no explicit information regarding the inactivation (including heat inactivation), molecular weight, or filtration of Phosphodiesterase I (P3243) from Crotalus adamanteus venom

      Helpful?

  2. 1. If I want to dissolve this venom what I can use distilled water or any buffer? And what is the storage temperature after reconstitution? 2. If I want to increase the efficiency of venom what I can use?

    1 answer
    1. For testing purposes, this product is reconstituted in cold deionized water at 0.1 - 0,2 un/mL. The solution stability and storage conditions have not been determined. The enzyme may also be dissolved in 0.11 M Tris HCl buffer, pH 8.9 with 0.11 M NaCl and 15 mM MgCl2 according to Worthington Manual, p. 310 (1993). Note that this material is not the raw venom, but the purified enzyme. The enzyme is purified via the method of Williams, et al. and further treated to inactivate contaminating 5′-nucleotidase activity.

      Helpful?

  3. What buffer can be used to Store PDE I, and is it soluble in water? 

    1 answer
    1. For testing purposes, PDE I is reconstituted in cold deionized water at 0.1 - 0,2 un/mL. The solution stability has not been determined.

      Helpful?

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