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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:
12352200
eCl@ss:
32160406
PubChem Substance ID:
24898980
NACRES:
NA.26

form

lyophilized powder

Quality Level

200

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)

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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Kiran Kumar Morishetti et al.
Journal of the American Society for Mass Spectrometry, 21(4), 603-614 (2010-01-29)
The sequence and conformational effects on the gas-phase acidities of peptides have been studied by using two pairs of isomeric cysteine-polyglycine peptides, CysGly(3,4)NH(2) and Gly(3,4)CysNH(2). The extended Cooks kinetic method was employed to determine the gas-phase acidities using a triple
Sergei Bykov et al.
The journal of physical chemistry. B, 114(19), 6636-6641 (2010-04-27)
Polyglycine (polygly) is an important model system for understanding the structural preferences of unfolded polypeptides in solution. We utilized UV resonance and visible Raman spectroscopy to investigate the conformational preferences of polygly peptides of different lengths in water containing LiCl
Solid-state 15 N NMR analysis of highly 15 N-enriched plant materials
Smernik RJ and Baldock JA
Plant and Soil, 275(1-2), 271-283 (2005)
Nicola J Rutherford et al.
Neurobiology of aging, 33(2), 424-424 (2010-11-16)
Insertion and deletion variants (indels) within poly glycine tracts of fused in sarcoma (FUS) were initially reported as causative of disease in amyotrophic lateral sclerosis (ALS). Subsequent studies identified similar indels in controls and suggested that these indels may confer
Dahiyana Cristancho et al.
The Journal of chemical physics, 132(6), 065102-065102 (2010-02-16)
Molecules that resemble a semiconductor diode depletion zone are those with an intrinsic electric dipole, which were suggested as potential electronic devices. However, so far, no single molecule has met such a goal because any electron donor-acceptor linker strongly diminishes
View All Related Papers

Articles

Poly(Amino Acid) Block Copolymers for Drug Delivery and other Biomedical Applications

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