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66939

Sigma-Aldrich

Phalloidin–Atto 425

suitable for fluorescence, ≥90% (HPLC)

Sinónimos:

Atto 425–Phalloidin

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About This Item

UNSPSC Code:
12352116
NACRES:
NA.32

Quality Level

100

assay

≥90% (HPLC)

manufacturer/tradename

ATTO-TEC GmbH

λ

in methanol

UV absorption

λ: 429-435 nm Amax

suitability

suitable for fluorescence

storage temp.

−20°C

General description

Atto 425 Phalloidin is a novel fluorescent label with a coumarin structure. The dye is intended for application in the area of life science, e.g. labeling of DNA, RNA or proteins. Characteristic features of the label are strong absorption, high fluorescence quantum yield, large Stokes-shift, good photostability, and low molecular weight.Phalloidin is a fungal toxin isolated from the poisonous mushroom Amanita phalloides. Its toxicity is attributed to the ability to bind F actin in liver and muscle cells. As a result of binding phalloidin, actin filaments become strongly stabilized. Phalloidin has been found to bind only to polymeric and oligomeric forms of actin, and not to monomeric actin. The dissociation constant of the actin-phalloidin complex has been determined to be on the order of 3 x 10–8. Phalloidin differs from amanitin in rapidity of action; at high dose levels, death of mice or rats occurs within 1 or 2 hours.

Application

Fluorescent conjugates of phalloidin, rhodamine-phalloidin staining reagents, such as Phalloidin–Atto 425 are used to label actin filaments for histological applications. Some structural features of phalloidin are required for the binding to actin. However, the side chain of amino acid 7 (g-dihydroxyleucine) is accessible for chemical modifications without appreciable loss of affinity for actin.

Legal Information

This product is for Research use only. In case of intended commercialization, please contact the IP-holder (ATTO-TEC GmbH, Germany) for licensing.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
BCCM0692
BCCK4448
BCCJ6670
BCCJ3562
BCCH8469

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Louise R Page
Evolution & development, 4(3), 212-222 (2002-06-11)
Results of this study on two species of vetigastropods contradict the long-standing hypothesis, originally proposed by Garstang (1929), that the larval retractor muscles power the morphogenetic movement of ontogenetic torsion in all basal gastropods. In the trochid Calliostoma ligatum and
Rosangela Invernizzi et al.
Oncology, 75(3-4), 237-244 (2008-10-16)
Pegfilgrastim is a covalent conjugate of filgrastim and polyethylene glycol that has proved to be effective in supporting myelopoiesis during chemotherapy. Since very limited information is available on the biological effects of pegfilgrastim on neutrophils exposed to chemotherapy, we analyzed
Takahiro Shimizu et al.
Cell calcium, 45(3), 226-232 (2008-12-03)
We demonstrate here that the transient receptor potential melastatin subfamily channel, TRPM4, controls migration of bone marrow-derived mast cells (BMMCs), triggered by dinitrophenylated human serum albumin (DNP-HSA) or stem cell factor (SCF). Wild-type BMMCs migrate after stimulation with DNP-HSA or
Sub-Diffraction Nano Manipulation Using STED AFM.
Chacko, Jenu V.; et al.
PLoS ONE, 8(6), e66608-e66608 (2013)
Maturation of active zone assembly by Drosophila Bruchpilot.
Fouquet, W.; et al.
The Journal of Cell Biology, 186(1), 129-145 (2009)
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