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Merck

A2263

Sigma-Aldrich

α-天麻素

from Amanita phalloides, ≥85% (HPLC), powder

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About This Item

经验公式(希尔记法):
C39H54N10O14S
CAS号:
分子量:
918.97
Beilstein:
1071138
EC號碼:
MDL號碼:
分類程式碼代碼:
12352202
PubChem物質ID:
NACRES:
NA.32

生物源

Amanita phalloides

品質等級

化驗

≥85% (HPLC)

形狀

powder

分子量

918.97  g/mol

顏色

white to light yellow

mp

254-255 °C (lit.)

溶解度

H2O: 1.0 mg/mL

&epsilon ;(消光係數)

13,500 at 310 nm in H2O at 1 M

儲存溫度

−20°C

SMILES 字串

CCC(C)C1NC(=O)CNC(=O)C2Cc3c([nH]c4cc(O)ccc34)S(=O)CC(NC(=O)CNC1=O)C(=O)NC(CC(N)=O)C(=O)N5CC(O)CC5C(=O)NC(C(C)C(O)CO)C(=O)N2

InChI

1S/C39H54N10O14S/c1-4-16(2)31-36(60)42-11-29(55)43-25-15-64(63)38-21(20-6-5-18(51)7-22(20)46-38)9-23(33(57)41-12-30(56)47-31)44-37(61)32(17(3)27(53)14-50)48-35(59)26-8-19(52)13-49(26)39(62)24(10-28(40)54)45-34(25)58/h5-7,16-17,19,23-27,31-32,46,50-53H,4,8-15H2,1-3H3,(H2,40,54)(H,41,57)(H,42,60)(H,43,55)(H,44,61)(H,45,58)(H,47,56)(H,48,59)

InChI 密鑰

CIORWBWIBBPXCG-UHFFFAOYSA-N

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Amino Acid Sequence

Asn-Hyp-Hyi-Trp-Gly-Ile-Gly-Cys [Bridge: 4-8]

應用

α-鹅膏毒素已用于:
  • 在免疫荧光测定之前诱导NT2细胞中的转录停滞
  • 诱导小鼠肾组织中的肾毒性
  • 通过细胞活力测定、彗星测定和染色体畸变测定诱导和分析小鼠骨髓细胞的遗传毒性

生化/生理作用

蘑菇的主要有毒成分鬼笔鹅膏可抑制真核细胞RNA聚合酶II和III,但不抑制RNA聚合酶I或细菌RNA聚合酶。抑制哺乳动物蛋白合成。

注意

当避光冷冻保存两年后,通过HPLC可发现保留的样品大于99%。

重構

以1 mg/ml的分装储备液冻存在-20°C。 反复冻融也不会降解。 仅在使用前再用适当的缓冲液进行稀释。产品会被浓酸或碱所破坏。

象形圖

Skull and crossbonesHealth hazard

訊號詞

Danger

危險聲明

危險分類

Acute Tox. 1 Oral - STOT RE 2

標靶器官

Kidney,Blood,Liver,Gastrointestinal tract,Respiratory Tract,Central nervous system

儲存類別代碼

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

水污染物質分類(WGK)

WGK 3

個人防護裝備

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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With more than 500,000 copies, mammalian-wide interspersed repeats (MIRs), a sub-group of SINEs, represent ∼2.5% of the human genome and one of the most numerous family of potential targets for the RNA polymerase (Pol) III transcription machinery. Since MIR elements
Alpha-amanitin poisoning, nephrotoxicity and oxidative stress: an experimental mouse model
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Iranian Red Crescent Medical Journal, 17(8), e28068-e28068 (2015)
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Neuroscience letters, 459(2), 100-104 (2009-05-02)
Micro-RNA (miRNA) mediated regulation of messenger RNA (mRNA) complexity in the central nervous system (CNS) is emerging as a critical factor in the control of CNS-specific gene expression during development, plasticity, aging and disease. In these studies, miRNA array and
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Reproduction (Cambridge, England), 137(2), 245-257 (2008-11-07)
Bovine early embryos are transcriptionally inactive and subsist through the initial developmental stages by the consumption of the maternal supplies provided by the oocyte until its own genome activation. In bovine, the activation of transcription occurs during the 8- to

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