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Key Documents

P8045

Sigma-Aldrich

Protein G-Biotin from Streptococcus sp.

recombinant, expressed in unspecified host, lyophilized powder

Synonyme(s) :

Biotinylated Protein G, Protein G Biotin, Protein G-Biotin

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About This Item

Numéro MDL:
Code UNSPSC :
12352203
Nomenclature NACRES :
NA.46

Produit recombinant

expressed in unspecified host

Niveau de qualité

Conjugué

biotin conjugate

Forme

lyophilized powder

Composition

Protein, ~90% biuret

Ampleur du marquage

2-4 mol d-biotin per mol protein

Technique(s)

direct ELISA: 1:70,000 using human IgG

Température de stockage

2-8°C

Description générale

Protein G binds to antibodies reversibly and thus, it is considered in antibody purification. It is a 20 kDa protein.
Protein G is an immunoglobulin (IgG) specific bacterial cell wall protein isolated from Streptococci (group G). Native proteins G consist of two IgG-binding domains and albumin and cell surface binding sites. Biotin is a water soluble vitamin that acts as a coenzyme for carboxylase enzyme reactions. Biotin deficiency results in deregulation of metabolic pathways and various physiological impairments. Biotin deficiency is known to cause birth anomalies indicating its important role in development and differentiation of embryos.

Spécificité

Binds IgG only from most mammalian species except cat; binds chicken IgG.

Application

Protein G-Biotin from Streptococcus sp. has been used during incubation for synergistic immunocapture of antigen which was performed using streptavidin-coated magnetic beads.
Protein G-Biotin from Streptococcus sp. has been used in electrochemical biosensing, for the attachment of antibodies with different specificities.

Conditionnement

Package size based on protein content

Autres remarques

Truncated - lacks albumin, Fab and membrane binding sites.

Notes préparatoires

Prepared using biotinamidocaproate N-hydroxysuccinimide which incorporates an aminocaproyl spacer.

Clause de non-responsabilité

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


Certificats d'analyse (COA)

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Consulter la Bibliothèque de documents

Electrochemical biosensing based on universal affinity biocomposite platforms
Zacco E, et al.
Biosensors And Bioelectronics, 21(7), 1291-1301 (2006)
Ayumi Taniguchi et al.
Journal of nutritional science and vitaminology, 53(6), 457-463 (2008-01-19)
It is well known that biotin deficiency causes morphological anomalies in hatchlings of fowl. An abundance of biotin in the yolk, therefore, is greatly required for maintaining reproductive functions. Although there is growing evidence for the molecular significance of the
Principles of Bacterial Detection: Biosensors, Recognition Receptors and Microsystems: Biosensors, Recognition Receptors, and Microsystem, 21(7), 360-360 (2008)
Pierre-Henri Puech et al.
PloS one, 6(7), e22344-e22344 (2011-07-30)
The rupture forces and adhesion frequencies of single recognition complexes between an affinity selected peptide/MHC complex and a TCR at a murine hybridoma surface were measured using Atomic Force Microscopy. When the CD8 coreceptor is absent, the adhesion frequency depends
Alina Sultanova et al.
Microbiology spectrum, 10(3), e0236921-e0236921 (2022-05-24)
Human herpesvirus-6 (HHV-6) contains two genes (U12 and U51) that encode putative homologues of human G-protein-coupled receptors like CCR1, CCR3, and CCR5. It has been shown that these viral proteins can be expressed on the surface of epithelial and some

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