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Merck

P8791

Sigma-Aldrich

聚甘氨酸

mol wt 500-5,000

别名:

Glycine homopolymer

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About This Item

CAS号:
MDL號碼:
分類程式碼代碼:
12352202
eCl@ss:
32160406
PubChem物質ID:
NACRES:
NA.26

形狀

lyophilized powder

分子量

500-5,000

顏色

white to light yellow

mp

300 °C

儲存溫度

−20°C

SMILES 字串

NCC(O)=O

InChI

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

InChI 密鑰

DHMQDGOQFOQNFH-UHFFFAOYSA-N

基因資訊

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應用

聚甘氨酸已被用作外部强度标准品,用于测量交叉极化 (CP) 核磁共振 (NMR) 谱测量 和离子迁移质谱。适用于作为紫外共振拉曼光谱研究的模型。

生化/生理作用

多甘氨酸以两种形式存在,即具有反平行 β-片状结构和延伸 31 螺旋的多聚甘氨酸 II (PGII)。它是一种最灵活的多肽,具有最小的空间位阻,在锂离子存在下溶解度增加。存在于哺乳动物和植物中。与叶绿体膜蛋白 Toc5 相关的多聚甘氨酸伸展对于囊膜分选是必需的。

準備報告

通过磷酸化制备。

其他說明

有关聚氨基酸的其他技术信息,请访问 聚氨基酸常见问题解答资源

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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Ion mobility mass spectrometry of peptide ions: effects of drift gas and calibration strategies
Bush MF, et al.
Analytical Chemistry, 84(16) (2012)
Polyglycine acts as a rejection signal for protein transport at the chloroplast envelope
Endow JK, et al.
PLoS ONE, 11(12), e0167802-e0167802 (2016)
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
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

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