N5661
Nuclease S1 from Aspergillus oryzae
for single-strand DNA/RNA digestion
Synonym(s):
Endonuclease S1
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
Recommended Products
biological source
Aspergillus sp. (A. oryzae)
Quality Level
form
solution
concentration
≥100000 units/mL
technique(s)
DNA purification: suitable
suitability
suitable for nucleic acid purification
application(s)
cell analysis
shipped in
wet ice
storage temp.
−20°C
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General description
The Nuclease S1 enzyme from Aspergillus oryzae has the ability to degrade single-stranded oligonucleotides composed of either deoxynucleotides or ribonucleotides.
Application
Nuclease S1 from Aspergillus oryzae has been used in a study to assess a biochemical method for mapping mutational alterations in DNA. It has also been used in a study to investigate the DNA damage and repair in a γ-irradiated rat brain tumor.
Biochem/physiol Actions
Nuclease S1 isolated from Aspergillus oryzae exhibits endo- and exolytic hydrolytic activity for the phosphodiester bonds of single-stranded DNA and RNA yielding 5′-phosphomononucleotide and 5′-phosphooligonucleotide end-products. It is used to digest non-annealed polynucleotide tails and hairpin loops in RNA and DNA duplexes and can be used to convert superhelical DNA to the linear form.
SI nuclease from Aspergillus oryzae can generate double-stranded DNA breaks in response to DNA nicks or abasic sites.
Unit Definition
One unit will cause 1.0 microgram of single-stranded nucleic acid to become perchloric acid soluble per minute at pH 4.6 at 37°C.
Physical form
Solution containing 30 mM sodium acetate, 50 mM NaCl, 1 mM ZnCl2, 50% glycerol, 2 mg/ml protein
Kit Components Only
Product No.
Description
- 30mM Sodium acetate .25-.25 %
- 50mM Sodium chloride .29 %
- 1mM Zinc chloride .01 %
- Glycerol 50 %
- 2mg/mL Protein .2 %
Storage Class
10 - Combustible liquids
wgk_germany
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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P Beard et al.
Journal of virology, 12(6), 1303-1313 (1973-12-01)
S(1) nuclease, the single-strand specific nuclease from Aspergillus oryzae can cleave both strands of circular covalently closed, superhelical simian virus 40 (SV40) DNA to generate unit length linear duplex molecules with intact single strands. But circular, covalently closed, nonsuperhelical DNA
M A Chaudhry et al.
Nucleic acids research, 23(19), 3805-3809 (1995-10-11)
Defined DNA substrates containing discrete abasic sites or paired abasic sites set 1, 3, 5 and 7 bases apart on opposite strands were constructed to examine the reactivity of S1, mung bean and P1 nucleases towards abasic sites. None of
Rebecca Rodell et al.
Methods in molecular biology (Clifton, N.J.), 2444, 125-140 (2022-03-16)
Physiological and chemically induced modifications to nucleosides are common in both DNA and RNA. Physiological forms of these modifications play critical roles in gene expression, yet aberrant marks, if left unrepaired, may be associated with increased genome instability. Due to
Robert Busch et al.
Nature protocols, 2(12), 3045-3057 (2007-12-15)
DNA replication occurs almost exclusively during S-phase of the cell cycle and represents a simple biochemical metric of cell division. Previous methods for measuring cell proliferation rates have important limitations. Here, we describe experimental protocols for measuring cell proliferation and
Joachim Kloehn et al.
Methods in molecular biology (Clifton, N.J.), 2116, 587-609 (2020-03-30)
This protocol describes the use of heavy water (2H2O) labeling to determine the growth rate and metabolic state of Leishmania parasites in culture and in infected animals. In vitro labeling studies are undertaken by cultivating defined parasite developmental stages in
Protocols
Spectrophotometric assay at 260 nm measures nuclease S1 activity, vital for nucleic acid research, with defined enzyme unit criteria.
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