A9460

Sigma-Aldrich

Annexin V from human placenta

≥90% (SDS-PAGE), buffered aqueous solution

Synonym(s):
Calphosbindin I, Lipocortin V, Annexin V, PAP-1
NACRES:
NA.32
Pricing and availability is not currently available.

Quality Level

assay

≥90% (SDS-PAGE)

form

buffered aqueous solution

mol wt

33 kDa (four subunits)

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... ANXA5(308)

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Packaging

0.1 mg in poly bottle
Package size based on protein content

Biochem/physiol Actions

Annexins are ubiquitous homologous proteins that bind phospholipids in the presence of calcium. The cellular changes involved in the apoptotic process include loss of phospholipid asymmetry during the early stages. This phenomenon is universal and is not limited to stimulus or to mammalian cells, but also occurs in insect and plant cells. In living cells, phosphatidylserine is transported to the inside of the lipid bilayer by the Mg2+ATP dependent enzyme, aminophospholipid translocase. At the onset of apoptosis, phosphatidylserine becomes translocated to the external surface of the cell membrane. Since the movement of phosphatidylserine from the internal membrane surface to the external surface is an early indicator of apoptosis, annexin V and its conjugates that interact strongly and specifically with phosphatidylserine may be used to detect apoptosis. Annexin V conjugates can be used to detect apoptotic cells significantly earlier than DNA-based assays. Fluorescent dye labeled annexin V have applications in flow cytometry, fluorescence microscopy, and laser scanning cytometry.

Physical form

Solution in 40 mM Tris-HCl, pH 7.5, containing 150 mM NaCl, 1 mM DTT and 0.05% sodium azide.

RIDADR

NONH for all modes of transport

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

W J Buhl et al.
European journal of cell biology, 56(2), 381-390 (1991-12-01)
Membranes from human placenta contain proteins which inhibit the activity of phospholipases A2 by binding to phospholipid thus impeding substrate availability. We used unilamellar mixed liposomes and a partially purified cytosolic phospholipase A2 from placenta for characterizing this substrate-depleting activity....
D D Schlaepfer et al.
Biochemistry, 31(6), 1886-1891 (1992-02-18)
Annexin V is a protein of unknown biological function that undergoes Ca(2+)-dependent binding to phospholipids located on the cytosolic face of the plasma membrane. Preliminary results presented herein suggest that a biological function of annexin V is the inhibition of...
Yiwen Lu et al.
Cell, 180(6), 1081-1097 (2020-03-07)
Understanding molecular mechanisms that dictate B cell diversity is important for targeting B cells as anti-cancer treatment. Through the single-cell dissection of B cell heterogeneity in longitudinal samples of patients with breast cancer before and after neoadjuvant chemotherapy, we revealed...
Yeast alcohol dehydrogenase: SH groups, disulfide groups, quaternary structure, and reactivation by reductive cleavage of disulfide groups.
M Bühner et al.
European journal of biochemistry, 11(1), 73-79 (1969-11-01)
Ke Chen et al.
Journal of biomedical science, 18, 57-57 (2011-08-17)
High glucose induced lipid synthesis leads to β cell glucolipotoxicity. Sterol regulatory element binding protein-1c (SREBP-1c) is reported to be partially involved in this process. Insulin induced gene-1 (Insig-1) is an important upstream regulator of Insig-1-SREBPs cleavage activating protein (SCAP)-SREBP-1c...

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