Sell Proteinase K By Guangzhou Geneshun Biotech Ltd, China
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Sell Proteinase K

Sell Proteinase K

FOB Price

Obtenir le dernier prix

( Negotiable )

|

Minimum Order

Localité:

China

Prix de commande minimale:

-

Commande minimale:

10 Gram

Packaging Detail:

100mg, 1g, 1kg

Delivery Time:

-

Supplying Ability:

100 Kilogram per Month

Payment Type:

T/T, Western Union, Money Gram

Contacter maintenant
Guangzhou Geneshun Biotech Ltd

Guangzhou Geneshun Biotech Ltd

China

Membre gratuit

Personne à contacter Mr. jack

tianhe, guangzhou, Other

Contacter maintenant

Description

Proteinase K
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Grade:High purity grade, for Molecular Biology
Cat#ES***1� **0mg,�1g,�1kg�����������������������������������
Storage Temperature�*0�C
CAS# *********6
Purity: ?*9%
Specific activity: ?*0 units/mg of protein
DNase� none detected
RNase� none detected
Endonuclease (nickase)� none detected
�
Product Description
Proteinase K is a stable serine protease with broad substrate specificity. It degrades many proteins in the native state even in the presence of detergents.
Evidence from crystal and molecular structure studies indicates the enzyme belongs to the subtilisin family with an activesitecatalytic triad (Asp*9, His*9, Ser**4). The predominant site of cleavage is the peptide bond adjacent to the carboxyl group of aliphatic and aromatic amino acids with blocked alpha amino groups. It is commonly used for its broad specificity.The mode and specificity of action has been studied.Proteinase K is frequently used in molecular biology
applications to digest unwanted proteins, such as nucleases from DNA or RNA preparations from microorganisms, cultured cells, and plants.The enzyme is typically used at *0�**0?g/ml in nucleic acid preparations at pH 7.5�8.0 and *7�C. Incubation times vary from *0minutes to *8hours. Proteinase K is usually denatured by subsequent phenol extractions, although it can autodigest during long incubations.
Proteinase K is active in 1% Triton X***0 and fully active in 0.5% (w/v) SDS. SDS and urea will denature protein substrates resulting in increased digestion rates.Proteinase K itself is denatured much more slowly by these agents.
�
Unit Definition: One unit is defined as the amount of enzyme that will liberate 1 �mol of tyrosine per minute at *7�C, pH 7.5.������

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