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Merck

495604

Okadaic acid

from Prorocentrum sp., ≥95% (HPLC), solid (glassy), protein phosphatase 1 inhibitor, Calbiochem

別名:

Okadaic Acid, Prorocentrum sp., OA

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この商品について

実験式（ヒル表記法）:
C44H68O13
CAS番号:
78111-17-8
分子量:
805.00
UNSPSC Code:
12352106
NACRES:
NA.77
MDL number:
MFCD00083455
Assay:
≥95% (HPLC)
Form:
solid (glassy)
Storage condition:
OK to freeze, protect from light

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製品名

Okadaic Acid, Prorocentrum sp., Okadaic Acid, CAS 78111-17-8, is a highly potent inhibitor of protein phosphatase 1 (IC50 = 10-15 nM) and 2A (IC50 = 0.1 nM).

assay

≥95% (HPLC)

form

solid (glassy)

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze, protect from light

color

colorless

solubility

DMF: soluble, chloroform: soluble, ethanol: soluble, methanol: soluble

shipped in

ambient

storage temp.

−20°C

SMILES string

O1[C@]7(O[C@@H](CC[C@H]7O)C[C@](O)(C)C(=O)O)C=C(C[C@H]1[C@H](C)\C=C\[C@@H]2O[C@@]3(OC4[C@H](O[C@@H](C(=C)[C@H]4O)[C@@H](O)C[C@@H](C5O[C@]6(OCCCC6)CC[C@H]5C)C)CC3)CC2)C

InChI

1S/C44H68O13/c1-25-21-34(55-44(23-25)35(46)12-11-31(54-44)24-41(6,50)40(48)49)26(2)9-10-30-14-18-43(53-30)19-15-33-39(57-43)36(47)29(5)38(52-33)32(45)22-28(4)37-27(3)13-17-42(56-37)16-7-8-20-51-42/h9-10,23,26-28,30-39,45-47,50H,5,7-8,11-22,24H2,1-4,6H3,(H,48,49)/b10-9+/t26-,27-,28+,30+,31+,32+,33-,34+,35-,36-,37?,38+,39?,41-,42+,43-,44-/m1/s1

InChI key

QNDVLZJODHBUFM-AAWJMCDUSA-N

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関連するカテゴリー

General description

An ionophore-like polyether derivative of a C38 fatty acid compound isolated from the dinoflagellates that have fed on the marine sponge Halinchrondria okadai. It is a potent non-comepetitive, reversible inhibitor of serine/threonine-specific protein phosphatases 1 (PP1, IC50 = 10-15 nM, rabbit skeletal muscle, catalytic subunit) and 2A (PP2A, IC50 = 0.1 nM, rabbit skeletal muscle, catalytic subunit). It has only a trivial effect on protein phosphatase 2B (IC50 = 5 µM), a Ca2+/calmodulin-dependent enzyme, while PP2C, a Mg2+ dependent enzyme, is unaffected. Okadaic acid has no significant effect on the activities of tyrosine phosphatases, alkaline phosphatase, acid phosphatase, and inositol trisphosphatase. It is also a non-phorbol ester-type tumor promoter on mouse skin. Useful for the study of protein phosphatases and of PP1/PP2A in cell extracts, as well as in intact cells. Induces apoptosis in human breast carcinoma (MB-231 and MCF-7) and in myeloid cells, but inhibits glucocorticoid-induced apoptosis in T-cell hybridomas. Has marked contractile effect on smooth muscles and heart muscles. Implicated as a causative agent of diarrhetic shellfish poisoning.

Biochem/physiol Actions

Cell permeable: no
Primary Target
Protein phosphatase
Product does not compete with ATP.
Reversible: no
Target IC50: 10-15 nM and 0.1 nM against protein phosphatase 1 and protein phosphatase 2A, respectively

Packaging

Packaged under inert gas

Preparation Note

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 1 month at -20°C.

Other Notes

Due to the nature of the Hazardous Materials in this shipment, additional shipping charges may be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges.
Gjertsen, B.T., et al. 1994. J. Cell Sci.107, 3363.
Kiguchi, K., et al. 1994. Cell Growth Differentiation5, 995.
Ohaka, Y., et al. 1993. Biochem. Biophys. Res. Commun. 197, 916.
Gopalakrishna, R., et al. 1992. Biochem. Biophys. Res. Commun. 189, 950.
Kreienbuhl, P., et al. 1992. Blood80, 2911.
Nomura, M., et al. 1992. Biochemistry31, 11915.
Song, Q., et al. 1992. J. Cell Physiol.153, 550.
Tada, Y., et al. 1992. Immunopharmacol.24, 17.
Cohen, P., et al. 1990. Trends Biochem. Sci.15, 98.
Cohen, P. 1989. Annu. Rev. Biochem.58, 453.
Cohen, P., and Cohen, P.T. 1989. J. Biol. Chem.264, 21435.
Haystead, T.A., et al. 1989. Nature337, 78.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Toxic (F)

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Skin Irrit. 2

保管分類

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

試験成績書（COA）

製品のロット番号・バッチ番号を入力して、試験成績書（COA） を検索できます。ロット番号・バッチ番号は、製品ラベルに「Lot」または「Batch」に続いて記載されています。

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文書ライブラリにアクセスする

Bence Hajdú et al.
Biomolecules, 12(11) (2022-11-12)
Autophagy-dependent cellular survival is tightly regulated by both kinases and phosphatases. While mTORC1 inhibits autophagy by phosphorylating ULK1, PP2A is able to remove this phosphate group from ULK1 and promotes the key inducer of autophagosome formation. However, ULK1 inhibits mTORC1

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