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Merck
모든 사진(2)

문서

P1951

Sigma-Aldrich

Phalloidin Peptide

≥90% (HPLC), solid, TRITC labeled

동의어(들):

Phalloidin-TRITC

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About This Item

실험식(Hill 표기법):
C60H70N12O13S2
Molecular Weight:
1231.40
MDL number:
UNSPSC 코드:
12352116
NACRES:
NA.32

product name

Phalloidin–Tetramethylrhodamine B isothiocyanate, sequence from Amanita phalloides(synthetic: peptide sequence)

생물학적 소스

sequence from Amanita phalloides (synthetic: peptide sequence)

Quality Level

형태

solid

형광

λex 540-545 nm; λem 570-573 nm

저장 온도

−20°C

일반 설명

Phalloidin is a phallotoxin produced by death cap mushroom Amanita phalloides. It is a cyclic peptide, which interacts with actin, and this was first identified in phalloidin-poisoned rats. It is a heptapeptide, cyclic in nature, with a crosslink between tryptophan at position 6 and cysteine at position 3. The side chain of amino acid 7 (γ-δ-dihydroxyleucine) in phalloidin, is accessible to modifications, through which florescent labelled phalloidin compounds can be produced.

애플리케이션

Fluorescent phallotoxin which may be used to identify filamentous actin.

Phalloidin-Tetramethylrhodamine B isothiocyanate has been used:-
  • In Immunofluorescence for staining Filamentous actin (F-actin)
  • To stain cells during immunocytochemical and cytochemical analysis
  • To label actin microfilaments for fluorescence microscopy

생화학적/생리학적 작용

Phalloidin interacts with polymeric actin, and not oligomeric or monomeric forms. This interaction leads to highly stabilized actin filaments, which resist depolymerization and disassembly. In rats, this toxin causes death due to liver hemorrhage, and cells show abnormal actin clustering. The affinity of phalloidin to actin is not significantly altered after derivatizing florescent labelled phalloidin compounds. These compounds can be used to study actin structure and organization within eukaryotic cells.
Toxin that binds polymeric F actin, stabilizing it and interfering with the function of actin-rich structures.

기타 정보

May contain mixed isomers

관련 제품

제품 번호
설명
가격

픽토그램

Skull and crossbones

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral

Storage Class Code

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

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


시험 성적서(COA)

제품의 로트/배치 번호를 입력하여 시험 성적서(COA)을 검색하십시오. 로트 및 배치 번호는 제품 라벨에 있는 ‘로트’ 또는 ‘배치’라는 용어 뒤에서 찾을 수 있습니다.

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E Wulf et al.
Proceedings of the National Academy of Sciences of the United States of America, 76(9), 4498-4502 (1979-09-01)
A fluorescent derivative of phalloidin has been synthesized possessing high affinity to filamentous actin. This compound was used for visualization of actin-containing structures in eukaryotic nonmuscle cells. Due to its low molecular weight (1250), fixation for formaldehyde was sufficient to
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