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Native Human Apolipoprotein CII/ApoC-II is a Human Full Length protein, expressed in Native, with >95% purity and suitable for SDS-PAGE.

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Images

SDS-PAGE - Native Human Apolipoprotein CII/ApoC-II (AB90925), expandable thumbnail

Key facts

Purity
>95% SDS-PAGE
Expression system
Native
Tags
Tag free
Applications
SDS-PAGE
Biologically active
No

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Reactivity data

Application
SDS-PAGE
Reactivity
Reacts
Dilution info
-
Notes

-

Target data

Function

Component of chylomicrons, very low-density lipoproteins (VLDL), low-density lipoproteins (LDL), and high-density lipoproteins (HDL) in plasma. Plays an important role in lipoprotein metabolism as an activator of lipoprotein lipase. Both proapolipoprotein C-II and apolipoprotein C-II can activate lipoprotein lipase. In normolipidemic individuals, it is mainly distributed in the HDL, whereas in hypertriglyceridemic individuals, predominantly found in the VLDL and LDL.

Alternative names

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Native Human Apolipoprotein CII/ApoC-II is a Human Full Length protein, expressed in Native, with >95% purity and suitable for SDS-PAGE.

Key facts

Purity
>95% SDS-PAGE
Expression system
Native
Applications
SDS-PAGE
Accession
P02655-1
Animal free
No
Species
Human
Reconstitution
After initial centrifugation, we suggest the addition of the lyophilization buffer (10 mM ammonium bicarbonate, pH 7.4) to the original volume, followed by gentle swirling and/or vortexing to ensure adequate homogenization. If further dilution is required, please use the lyophilization buffer.
Concentration
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Storage buffer

pH: 7.4
Constituents: 0.079% Ammonium bicarbonate

Sequence info

Amino acid sequence

Accession
P02655
Protein length
Full Length
Nature
Native

Specifications

Form
Lyophilized

General info

Function

Component of chylomicrons, very low-density lipoproteins (VLDL), low-density lipoproteins (LDL), and high-density lipoproteins (HDL) in plasma. Plays an important role in lipoprotein metabolism as an activator of lipoprotein lipase. Both proapolipoprotein C-II and apolipoprotein C-II can activate lipoprotein lipase. In normolipidemic individuals, it is mainly distributed in the HDL, whereas in hypertriglyceridemic individuals, predominantly found in the VLDL and LDL.

Sequence similarities

Belongs to the apolipoprotein C2 family.

Post-translational modifications

Proapolipoprotein C-II is synthesized as a sialic acid containing glycoprotein which is subsequently desialylated prior to its proteolytic processing.

Storage

Shipped at conditions
Blue Ice
Appropriate long-term storage conditions
-20°C

Notes

Prepared from fresh, non-frozen plasma shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. This product was previously labelled as Apolipoprotein CII

Supplementary info

This supplementary information is collated from multiple sources and compiled automatically.
Activity summary

Apolipoprotein CII (ApoC-II) also known as ApoC2 or ApoC II protein is a small protein with a mass of approximately 8.9 kDa. The protein primarily expresses in the liver and secreted into the bloodstream as a component of very low-density lipoproteins (VLDL) and chylomicrons. In terms of structure ApoC-II comprises part of the apolipoprotein family functioning to mediate lipid metabolism by interacting with lipoproteins in the circulatory system.

Biological function summary

ApoC-II plays a critical role in lipid metabolism by activating lipoprotein lipase (LPL) an enzyme that hydrolyzes triglycerides into free fatty acids and glycerol. This protein is essential in the chylomicron and VLDL complex that transports triglycerides from the intestines and liver to peripheral tissues. Through this activation of LPL ApoC-II facilitates the breakdown and clearance of triglyceride-rich lipoproteins from the bloodstream maintaining lipid homeostasis.

Pathways

ApoC-II significantly impacts the lipid metabolism pathway by influencing the catabolism of triglyceride-rich lipoproteins. It therefore plays a role in the lipolytic pathway where it maintains plasma triglyceride levels. Additionally ApoC-II is associated with the LPL pathway with the protein's function closely interacting with other lipoproteins such as ApoC-III which can inhibit LPL activity and modulate the effects of ApoC-II on lipid hydrolysis.

Associated diseases and disorders

ApoC-II mutations or deficiencies can lead to hyperlipoproteinemia type IB a condition characterized by elevated triglyceride levels due to impaired lipoprotein breakdown. This disorder can result in complications like pancreatitis and cardiovascular disease. Within these disease contexts ApoC-II's interaction with ApoC-III becomes significant as ApoC-III acts as an antagonist to LPL suggesting a balance between these proteins is necessary for maintaining normal lipid metabolism and preventing disorder development.

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1 product image

  • SDS-PAGE - Native Human Apolipoprotein CII/ApoC-II (ab90925), expandable thumbnail

    SDS-PAGE - Native Human Apolipoprotein CII/ApoC-II (ab90925)

    SDS-PAGE analysis of ab90925 on an 18% Tris-Glycine Gel

    Lane 1: Apolipoprotein CII/ApoC-II - 10 μg (Reduced/heated)

    Lane 2: Apolipoprotein CII/ApoC-II - 15 μg (Reduced/heated)

    Lane 3: Molecular weight markers

    Lane 4: Apolipoprotein CII/ApoC-II - 10 μg (Non-reduced/no heat)

    Lane 5: Apolipoprotein CII/ApoC-II - 20 μg (Non-reduced/no heat)

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Product protocols

For this product, it's our understanding that no specific protocols are required. You can:

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