protein g
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  • Official Full Name
  • Protein G
  • Background
  • Protein G is an immunoglobulin-binding protein expressed in group C and G Streptococcal bacteria much like Protein A but with differing specificities. It is a 65-kDa (G148 protein G) and a 58 kDa (C40 protein G) cell surface protein that has found application in purifying antibodies through its binding to the Fc region. The native molecule also binds albumin, however, because serum albumin is a major contaminant of antibody sources, the albumin binding site has been removed from this recombinant form of Protein G. The primary amine of Protein G was labeled by biotin without decreasing its bioactivity, and has been used successfully for easy detection in ELISA, dot blot or Western blot, immunohistochemistry applications using streptavidin or avidin-conjugated probes. Biotin and other reactive related chemicals have been removed thoroughly by desalting after reaction termination.
  • Synonyms
  • Protein G; RPG; Protein G Agarose
Cat.#:COP10Tag:His
Source (Host):E. coliSpecies:Bacterial
Product nameRecombinant Protein G, His-tagged
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Cat.#:Protein G-525Tag:N/A
Source (Host):Species:Group G streptococci
Product nameRecombinant Group G streptococci Protein G Protein
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Cat.#:COP08Tag:N/A
Source (Host):Species:
Product nameRecombinant Protein G Agarose
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Cat.#:COP33Tag:N/A
Source (Host):E. coliSpecies:Staphylococcal
Product nameRecombinant Streptococcal Protein G
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Cat.#:Protein G-3140STag:His
Source (Host):E. coliSpecies:Staphylococcus Aureus
Product nameRecombinant Staphylococcus Aureus Protein G protein, His-tagged
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Cat.#:Protein G-8140STag:His
Source (Host):E. coliSpecies:Staphylococcal
Product nameRecombinant Streptococcal bacteria Protein G, His-tagged
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Cat.#:COP28Tag:N/A
Source (Host):Species:
Product nameProtein G Agarose High Flow Resin
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Cat.#:Protein G-29ATag:N/A
Source (Host):Species:
Product nameProtein G Beads
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Cat.#:Protein G-34ATag:N/A
Source (Host):Species:
Product nameTargetLock Protein G Beads
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Protein G Related Articles

Kim, MH; Choi, SJ; et al. Immunoassay of paralytic shellfish toxins by moving magnetic particles in a stationary liquid-phase lab-on-a-chip. BIOSENSORS & BIOELECTRONICS 66:136-140(2015).
Chen, HC; Chen, YT; et al. A sensitive and selective magnetic graphene composite-modified polycrystalline-silicon nanowire field-effect transistor for bladder cancer diagnosis. BIOSENSORS & BIOELECTRONICS 66:198-207(2015).