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P3134

Sigma-Aldrich

Phosphodiesterase I from Crotalus adamanteus venom

Type VI, crude dried venom

Synonym(s):

5′-Exonuclease, Oligonucleate 5′-nucleotidohydrolase

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About This Item

CAS Number:
Enzyme Commission number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

type

Type VI

Quality Level

form

crude dried venom

storage temp.

−20°C

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General description

Research area: Cell signaling. PhosphodiesteraseI (PDEI) exists in three isoforms PDE1A, PDE1B, and PDE1C(2) are localized to the central nervous system, cardiovascular, and other organs.

Application

Phosphodiesterase I from Crotalus adamanteus venom has been used:
  • for cleaving the 3′-5′ internucleotide bonds in the linear chains of the RNA oligomers
  • as a model for the hydrolysis of prodrugs in phosphodiesterase assay
  • as a component in the nucleotide cleavage buffer

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. PhosphodiesteraseI (PDEI) can hydrolyze 3′,5′-cyclic adenosine monophosphate (cAMP) and3′,5′-cyclic guanosine monophosphate (cGMP). It binds to Ca2+/calmodulin(CaM) that lead to the stimulation of its catalytic activity.PDEIacts as a biotherapeutic for the treatment of cancer, heart diseases,pulmonary, metabolic, neurocognitive, renal, endocrine abnormalities, andneurological disorders.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Resp. Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Formation of RNA oligonucleotides over the mineral surface preliminary irradiated with UV light
Otroshchenko VA and Vasilyeva NV
Reaction Kinetics and Catalysis Letters, 97(1), 151-156 (2009)
Chemical toxicity testing in vitro using cytochrome P450--expressing cell lines, such as human CYP1B1
Landsiedel R, et al.
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The interaction of proteins with DNA results, in some cases, in DNA bending, and this might have functional importance. However, when the protein-induced bending of DNA is small, its measurement presents a problem. It is shown that the fluorescence resonance
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