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Merck
CN

C7522

Calcium Ionophore A23187

≥98% (TLC), ATPase inhibitor, powder

Synonym(s):

Calcimycin, Antibiotic A 23187, Calimycin

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About This Item

Empirical Formula (Hill Notation):
C29H37N3O6
CAS Number:
52665-69-7
Molecular Weight:
523.62
NACRES:
NA.32
PubChem Substance ID:
24277964
UNSPSC Code:
12352200
EC Number:
258-084-1
MDL number:
MFCD00151202
Beilstein/REAXYS Number:
1096801

Key Documents

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Product Name

Calcium Ionophore A23187, ≥98% (TLC), powder

InChI key

HIYAVKIYRIFSCZ-CYEMHPAKSA-N

InChI

1S/C29H37N3O6/c1-15-10-11-29(17(3)13-16(2)27(38-29)18(4)26(33)20-7-6-12-31-20)37-22(15)14-23-32-25-21(36-23)9-8-19(30-5)24(25)28(34)35/h6-9,12,15-18,22,27,30-31H,10-11,13-14H2,1-5H3,(H,34,35)/t15-,16-,17-,18-,22-,27+,29+/m1/s1

SMILES string

[H][C@@]1(O[C@@]2(CC[C@@H](C)[C@@H](Cc3nc4c(C(O)=O)c(NC)ccc4o3)O2)[C@H](C)C[C@H]1C)[C@H](C)C(=O)c5ccc[nH]5

sterility

non-sterile

assay

≥98% (TLC)

form

powder

color

white to light yellow

solubility

ethanol: 5 mg/mL
DMSO: 50 mg/mL

antibiotic activity spectrum

Gram-positive bacteria
fungi

mode of action

cell membrane | interferes

storage temp.

2-8°C

Quality Level

300

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Application

Calcium ionophore A23187 has been used:
  • as an endoplasmic reticulum (ER) stress inducer to study its effect on the expression of the toxoplasma unfolded protein response (UPR) genes
  • for the induction of the acrosome reaction
  • in skeletal muscle sarcoplasmic reticulum Ca2+ ATPase (SERCA) activity assay

Ionophore highly selective for Ca2+. Potentiates responses to NMDA but not quisqualate. In cell culture, stimulates nitric oxide production by calmodulin-dependent constitutive nitric oxide synthase.

General description

Calcium ionophore A23187 is a carboxylic acid antibiotic with weak in vitro activity against Gram-positive organisms. It increases the potential of divalent ions to cross biological membranes, thus it acts as an ionophore. Calcium ionophore A23187 specifically forms stable 2:1 complex with divalent cations, rendering these ions soluble in ordinary organic solvents. Since calcium ionophore A23187 is commonly used to increase intracellular Ca2+ levels in intact cells, it acts as an uncoupler of oxidative phosphorylation and an inhibitor of mitochondrial adenosine triphosphatase (ATPase) activity. Calcium Ionophore A23187 is a potent inducer of phosphorylation of Toxoplasma eukaryotic initiation factor-2α (eIF2α). It also induces apoptosis in mouse lymphoma cell line (S49)7 but also has been shown to block apoptosis in other systems, such as when interleukin-3 (IL-3) is withdrawn from IL-3-dependent cells. Calcium ionophore A23187 is widely used as artificial activating substances for human oocytes.
with heating or sonication. Solutions are stable for at least 3 months at -20 °C when protected from light and water contamination.
with heating. Solutions are stable for at least 3 months at -20 °C when protected from light and water contamination.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

涉药品监管产品
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Certificates of Analysis (COA)

Lot/Batch Number
0000483758
0000483758
0000455819
0000463728
0000463728

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Asuman Mutlu et al.
British journal of haematology, 163(3), 377-384 (2013-09-17)
The cell plasma membrane is tightly coupled with the vital processes of apoptosis and activation. In the current study, we investigated exposure of the apoptosis marker phosphatidylserine (PS) and activation marker P-selectin (CD62) on the plasma membrane of anucleate platelets.
Jun Suzuki et al.
The Journal of biological chemistry, 288(19), 13305-13316 (2013-03-28)
TMEM16A and 16B work as Cl(-) channel, whereas 16F works as phospholipid scramblase. The function of other TMEM16 members is unknown. Using TMEM16F(-/-) cells, TMEM16C, 16D, 16F, 16G, and 16J were shown to be lipid scramblases. Some TMEM16 members are
Jeannine Winkler et al.
Thrombosis and haemostasis, 109(3), 532-539 (2013-01-12)
Although platelets possess the hallmarks of apoptosis such as activation of caspases, cytochrome c release and depolarisation of the mitochondrial transmembrane potential (∆Ψm), their entire apoptotic-signalling pathway is not totally understood. Therefore we studied the expression of various apoptotic proteins
Ian T Foe et al.
mSphere, 3(5) (2018-09-21)
Hydrolase are enzymes that regulate diverse biological processes, including posttranslational protein modifications. Recent work identified four active serine hydrolases (ASHs) in Toxoplasma gondii as candidate depalmitoylases. However, only TgPPT1 (ASH1) has been confirmed to remove palmitate from proteins. ASH4 (TgME49_264290)
Armen V Gyulkhandanyan et al.
British journal of haematology, 161(2), 245-254 (2013-02-13)
Anucleate platelets perform two fundamental processes, activation and apoptosis. We elaborated an approach for selective and concurrent stimulation of platelet apoptosis and/or activation, processes important in haemostasis and platelet clearance. Human platelets were treated with BH3 mimetic ABT-737, thrombin, calcium
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Data Sheet - C7522

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