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Merck

P4505

Protamine sulfate

powder

Synonym(s):

Clupeine

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About This Item

CAS Number:
UNSPSC Code:
12352202
NACRES:
NA.77
MDL number:
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Product Name

Protamine sulfate salt from herring, Grade III, histone, free(Millon test)

biological source

fish (herring)

Quality Level

type

Grade III

form

powder

impurities

histone, free (Millon test)

solubility

6 M HCl: 25 mg/mL, clear, colorless to very faintly yellow

Application

May be used for the removal of DNA from protein samples or for the purification of DNA binding proteins. It may be used as an alternative to polybrene in retroviral-mediated gene transfer.

Biochem/physiol Actions

Protamine in the form of solid lipid nanoparticles (SLN) promoted transfection with plasmid DNA more efficiently and with less cytotoxicity than comparable SLNs composed of Esterquat-1.
Protamine sulfate is a small cationic protein that binds and precipitates DNA. Neutralizes the anticoagulant activity of heparin. Inhibits lipoprotein lipase.


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Moyra Lawrence et al.
Science advances, 8(7), eabj8618-eabj8618 (2022-02-17)
Platelet deficiency, known as thrombocytopenia, can cause hemorrhage and is treated with platelet transfusions. We developed a system for the production of platelet precursor cells, megakaryocytes, from pluripotent stem cells. These cultures can be maintained for >100 days, implying culture
A Bonincontro et al.
Physics in medicine and biology, 34(5), 609-616 (1989-05-01)
The complex dielectric constant of arginine and protamine from herring sperm (clupeine) and their complexes with herring sperm DNA was measured at 10 GHz in the temperature range -20 to +45 degrees C by a microwave cavity perturbation method. The
Lisanne T Laagland et al.
JOR spine, 5(3), e1219-e1219 (2022-10-08)
Repopulating the degenerated intervertebral disc (IVD) with tissue-specific nucleus pulposus cells (NPCs) has already been shown to promote regeneration in various species. Yet the applicability of NPCs as cell-based therapy has been hampered by the low cell numbers that can