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P8791

Sigma-Aldrich

Polyglycine

mol wt 500-5,000

Synonym(s):

Glycine homopolymer

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About This Item

CAS Number:
25718-94-9
MDL number:
MFCD00166375
UNSPSC Code:
12352202
eCl@ss:
32160406
PubChem Substance ID:
24898980
NACRES:
NA.26

form

lyophilized powder

mol wt

500-5,000

color

white to light yellow

mp

300 °C

storage temp.

−20°C

SMILES string

NCC(O)=O

InChI

1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)

InChI key

DHMQDGOQFOQNFH-UHFFFAOYSA-N

Gene Information

rat ... Grin2a(24409)

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Application

Polyglycine has been used as an external intensity standard for measuring cross polarization (CP) nuclear magnetic resonance (NMR) spectrum measurements and ion mobility mass spectrometry. It is suitable for use as a model for UV resonance Raman spectroscopy studies.

Biochem/physiol Actions

Polyglycine exists in two forms, namely the polyglycine I (PGI) with anti-parallel β-sheet structure and polyglycine II (PGII) with extended 31-helix. It is a most flexible polypeptide with minimal steric hindrance and its solubility increases in the presence of lithium ions. It is present in mammals and plants. Polyglycine stretch associated with the chloroplast membrane protein, Toc5 is essential for envelop sorting.

Preparation Note

Prepared by phosphorylation.

Other Notes

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Guillaume Herlem et al.
Talanta, 82(1), 417-421 (2010-08-06)
The anodic oxidation of concentrated glycine based aqueous electrolyte on smooth platinum electrode leads to a strongly grafted polyglycine-like coating on the surface in an irreversible way. Due to the proton affinity towards amino groups of polyglycine (PG), the electrodeposited
Edson P Bellido et al.
Journal of molecular modeling, 18(6), 2805-2811 (2011-11-29)
Molecular simulations leading to sensors for the detection of explosive compounds require force field parameters that can reproduce the mechanical and vibrational properties of energetic materials. We developed precise harmonic force fields for alanine polypeptides and glycine oligopeptides using the
Florian Albrieux et al.
The journal of physical chemistry. A, 114(25), 6888-6896 (2010-06-11)
The conformation of model [Arg(Ala)(4)X(Ala)(4)Lys+2H](2+) and [Arg(Gly)(4)X(Gly)(4)Lys+2H](2+) peptides has been systematically investigated as a function of the central amino acid X through a combined experimental and theoretical approach. Mass spectrometry-based ion mobility measurements have been performed together with conformational sampling
Aykut Erbaş et al.
Biophysical journal, 104(6), 1285-1295 (2013-03-27)
Friction within globular proteins or between adhering macromolecules crucially determines the kinetics of protein folding, the formation, and the relaxation of self-assembled molecular systems. One fundamental question is how these friction effects depend on the local environment and in particular
A M Yu et al.
The Analyst, 122(8), 839-841 (1997-08-01)
Cyclic voltammetry was undertaken to investigate the electrochemical behavior of uric acid at a polyglycine modified electrode. The modified electrode shows catalytic ability for the oxidation of uric acid, reducing the overpotential by 250 mV in pH 7.0 phosphate buffer
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