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P8791

Sigma-Aldrich

Polyglycin

mol wt 500-5,000

Synonym(e):

Glycine homopolymer

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About This Item

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

Form

lyophilized powder

Qualitätsniveau

200

Mol-Gew.

500-5,000

Farbe

white to light yellow

mp (Schmelzpunkt)

300 °C

Lagertemp.

−20°C

SMILES String

NCC(O)=O

InChI

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

InChIKey

DHMQDGOQFOQNFH-UHFFFAOYSA-N

Angaben zum Gen

rat ... Grin2a(24409)

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Anwendung

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. Wirkung

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.

Angaben zur Herstellung

Prepared by phosphorylation.

Sonstige Hinweise

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

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Polyglycine acts as a rejection signal for protein transport at the chloroplast envelope
Endow JK, et al.
PLoS ONE, 11(12), e0167802-e0167802 (2016)
Ion mobility mass spectrometry of peptide ions: effects of drift gas and calibration strategies
Bush MF, et al.
Analytical Chemistry, 84(16) (2012)
Giorgio Schiró et al.
Physical chemistry chemical physics : PCCP, 12(35), 10215-10220 (2010-07-30)
Two main onsets of anharmonicity are present in protein dynamics. Neutron scattering on protein hydrated powders revealed a first onset at about 150 K and a second one at about 230 K (the so called dynamical transition). In order to
Ohki Kambara et al.
Biopolymers, 93(8), 735-739 (2010-06-03)
Poly-L-lysine is known to have three different secondary structures depending on solvent conditions because of its flexible nature. In previous work (Kambara et al., Phys Chem Chem Phys 2008, 10, 5042-5044), we observed two different types of structural changes in
David Semrouni et al.
Journal of the American Society for Mass Spectrometry, 21(5), 728-738 (2010-03-02)
The structure of the sodiated peptide GGGGGGGG-Na(+) or G(8)-Na(+) was investigated by infrared multiple photon dissociation (IRMPD) spectroscopy and a combination of theoretical methods. IRMPD was carried out in both the fingerprint and N-H/O-H stretching regions. Modeling used the polarizable
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