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M6756

Sigma-Aldrich

Microperoxidase (MP-11) sodium salt

≥85% (HPLC)

Synonym(s):

Microperoxidase-11, heme undecapeptide of cytochrome c

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About This Item

Empirical Formula (Hill Notation):
C84H116FeN20O21S2
CAS Number:
Molecular Weight:
1861.92
UNSPSC Code:
12352204
NACRES:
NA.54

Quality Level

Assay

≥85% (HPLC)

form

powder

storage temp.

−20°C

Application

Microperoxidase (MP-11) has been used in a study to assess its electrochemistry by cyclic voltammetry with multi-walled carbon nanotubes (MWNTs). It has also been used in a study as a label to investigate electrochemical immunosensing.

Biochem/physiol Actions

The oxidation of methyl phenyl sulfide to methyl phenyl sulfoxide by Microperoxidase-11 was promoted by low concentrations of alcohol but inhibited by high levels in the solvent.

Other Notes

The proposed structure is the heme portion of the cytochrome c molecule with amino acids 11-21 still attached.

Preparation Note

Prepared by enzymatic degradation of equine heart cytochrome c.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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A heme-peptide as an ultrastructural tracer.
N Feder
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 18(12), 911-913 (1970-12-01)
Xiaoli Zhu et al.
Biosensors & bioelectronics, 22(8), 1600-1604 (2006-08-15)
Direct electron transfer reactions of microperoxidase were achieved with the help of semiconductive zinc oxide nanoparticles on a pyrolytic graphite electrode. The enzyme could also exhibit fine electrocatalytic activity towards the reduction of hydrogen peroxide. Thereby, a hydrogen peroxide biosensor
Direct electrochemistry of microperoxidase11 using carbon nanotube modified electrodes
Wang, M., et al.
Journal of Electroanalytical Chemistry (Lausanne Switzerland), 578, 121-127 (2005)
Different strategies to develop an electrochemical thrombin aptasensor.
Mir, M., et al
Electrochemical Communications, 8(3), 505-511 (2006)
Amperometric immunosensing using microperoxidaseMP-11 antibody conjugates
Padeste, C., et al.
Analytica Chimica Acta, 374, 167-176 (1998)

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