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G8764

Sigma-Aldrich

Gc-globulin from human plasma

≥90% (SDS-PAGE), lyophilized powder (containing sodium chloride and sodium phosphate buffer salt)

Synonym(s):

DBP, Group-Specific Component, Vitamin D Binding Protein

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352202
NACRES:
NA.61

biological source

human plasma

Quality Level

Assay

≥90% (SDS-PAGE)

form

lyophilized powder (containing sodium chloride and sodium phosphate buffer salt)

mol wt

~52 kDa

technique(s)

LC/MS: suitable

solubility

H2O: soluble 2 mg/mL

UniProt accession no.

storage temp.

−20°C

Gene Information

human ... GC(2638)

General description

Gc-Globulin, a member of the albumin superfamily, is the major plasma carrier of vitamin D and its metabolites. It is also, along with gelsolin, part of the extracellular actin scavenger system. Gc-globulin also binds monomeric actin (G-actin) with high affinity to scavenge actin released by necrotic cells, preventing its polymerization into filaments. Gc-globulin enhances the chemoattractant activity of C5a for inflammatory cells.
Gc-globulin from human plasma is encoded by the gene GC, which is mapped to human chromosome 4q13.3.
Gc-globulin or the vitamin D binding protein (DBP) is a 51-58 kDa multifunctional serum glycoprotein synthesized in large quantities by primarily in the liver. It is a member of the albumin gene family and has the characteristic multiple disulfide-bonded, triple domain structure.

Application

Gc-globulin from human plasma has been used:
  • as a fluorescent probe for G-actin staining
  • as a fluorescent probe to monitor steady-state rate of actin filament disassembly
  • as a calibrator for liquid chromatography with mass spectrometry (LC-MS/MS)

Gc-globulin is a multifunctional, albumin-like plasma protein that often requires cell surface binding to mediate some of its diverse functions. It has been used to anlayze its glycosylation patterns.

Biochem/physiol Actions

Gc-Globulin, a member of the albumin superfamily, is the major plasma carrier of vitamin D and its metabolites. It is also, along with gelsolin, a part of the extracellular actin scavenger system. Gc-globulin also binds monomeric actin (G-actin) with high affinity to scavenge actin released by necrotic cells, preventing its polymerization into filaments. Gc-globulin enhances the chemoattractant activity of C5a for inflammatory cells.
Single nucleotide polymorphism in the gene GC is associated with deficiency of 25-hydroxyvitamin D [25(OH)D].

Preparation Note

Native Gc-globulin from human plasma

Disclaimer

RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The GC, CYP2R1 and DHCR7 genes are associated with vitamin D levels in northeastern Han Chinese children
Zhang Y, et al.
Swiss Medical Weekly, 142(2930) (2012)
J Greilberger et al.
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