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Mutanolysin from Streptomyces globisporus ATCC 21553

0.2 μm filtered, lyophilized powder, ≥4000 units/mg protein (biuret)

CAS Number:
MDL number:

Quality Level


0.2 μm filtered


lyophilized powder

specific activity

≥4000 units/mg protein (biuret)

mol wt

23 kDa

shipped in

wet ice

storage temp.


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General description

Mutanolysin from Streptomyces globisporus consists of two main lytic enzymes and may be a useful agent for dental caries control. [1]


Provides gentle cell lysis for the isolation of easily degradable biomolecules and RNA from bacteria. It has been used in the formation of spheroplasts for isolation of DNA.

Biochem/physiol Actions

Mutanolysin is an N-acetylmuramidase. Like lysozyme, it is a muralytic enzyme that cleaves the β-N-acetylmuramyl-(1→4)-N-acetylglucosamine linkage of the bacterial cell wall polymer peptidoglycan-polysaccharide. Its carboxy terminal moieties are involved in the recognition and binding of unique cell wall polymers. Mutanolysin lyses Listeria and other Gram-positive bacteria such as Lactobacillus and Lactococcus.

Unit Definition

One unit will produce a ΔA600 of 0.01 per minute at pH 6.0 at 37 °C in a 1 mL volume using a suspension of Streptococcus faecalis cell wall as substrate.

Physical form

Lyophilized powder containing Ficoll and sodium succinate buffer salts

Preparation Note

Prepared from M 9901

Storage Class Code

11 - Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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