Skip to content

Basket

You currently have no items in your basket.

Total (excl. vat) £0.00
View basket & checkout
Antibodies

Human IgG Fab

Product Sizes
2 mg
£246.00
009-0105-2MG
About this Product
SKU:
009-0105
Additional Names:
Human Immunoglobulin Fab, F(ab), Fragment antigen-binding
Application:
Bioactivity, SDS-PAGE
Buffer:
0.02 M Potassium Phosphate, 0.15 M Sodium Chloride
CE/IVD:
RUO
Concentration:
2.1 mg/ml
Extra Details:
Secreted as part of the adaptive immune response by plasma B cells, immunoglobulin G constitutes 75% of serum immunoglobulins. Immunoglobulin G binds to viruses, bacteria, as well as fungi and facilitates their destruction or neutralization via agglutination (and thereby immobilizing them), activation of the compliment cascade, and opsonization for phagocytosis. The F(ab) fragment is the portion of the antibody that binds to the antigen target. The immunoglobulin Fab also possesses one constant and one variable region of both the heavy and light chain.
Formulation:
0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2
Isotype:
IgG
Physical State:
Liquid
Shipping Conditions:
Blue Ice
Specificity:
Human IgG Fab fragment was prepared from normal serum by a multi-step process which includes delipidation, salt fractionation and ion exchange chromatography followed by papain digestion and extensive dialysis against the buffer stated above. Human IgG Fab fragment assayed by immunoelectrophoresis resulted in a single precipitin arc against anti-Human Serum, anti- Human IgG and anti- Human IgG F(a
Storage Conditions:
-20[o]C aliquoted. Aliquot. Avoid freeze/thaw cycles., 2-8[o]C diluted. Aliquot. Avoid freeze/thaw cycles.
Supplier:
Rockland Inc
Type:
Antibody: Isotype Controls
SDS-PAGE results of Human IgG Fab Fragment. Lane 1: reduced Human IgG Fab Fragment (5ug). Lane 2: reduced Human IgG Fab Fragment (1ug). Lane 3: Opal Prestained Molecular Weight Ladder (p/n MB-210-0500). Lane 4: non-reduced Human IgG Fab Fragment (1ug). Lane 5: non-reduced Human IgG Fab Fragment (5ug). 4-20% Lonza SDS-PAGE; Coomassie Stained; BioRad ChemiDoc Imaged.
SPR interaction analyses regarding the aptamer binding site in Protein A.Biacore X100 / sensor chip CAP / ligand: biotinylated Protein A with immobilization level of ~560 RU / two-step analyte binding without regeneration in between, (A-B) analyte 1 = sample 1: human IgG, IgG-Fc fragment, IgG-Fab fragment with a concentration of 1000 nM each, or buffer, (C-D) analyte 1 = sample 1: concentration series of human IgG-Fc in the range of 0-1000 nM, (A-D) analyte 2 = sample 2: 2000 nM 5'-fluorescein-labeled aptamer PA#2/8 or buffer. Double-referenced sensorgrams are shown (blank reference surface without Protein A, buffer injection). Binding of sample 1 followed by sample 2 is shown in (A) and (C) with alignment to injection start of sample 1. In (B) and (D) only binding of sample 2 with alignment to injection start of sample 2 is shown. Fig 12. PMID: 26221730.
Dose dependent inhibition curves generated with six different FcG GammaR assays. Four different set of samples were tested to show the specificity and subclass specific binding. Analytes tested are (1) human IgG subclasses IgG1, IgG2, IgG3, IgG4; (2) human IgG; (3) Fc, Fab, and F(ab)2 domains; and (4) human serum albumin (HSA). Data represent the mean +/- standard error of triplicate experiments. IC50 (nM) values calculated from the inhibition curves are shown in the Table. IC50 values are in nM. *For FcG GammaRIIb IC50 values are intended only for qualitative purposes as mentioned in the text. n.d. not determined. Figure 3. PMID: 35842448.
SDS-Page of Human Fab. Lane 1: Human Fab - Non-Reduced. Lane 2: Human Fab - Reduced. Load: 1.0 ug per lane. Predicted/Observed size - Non-Reduced: 50 kDa, 50 kDa for Human Fab. Predicted/Observed size - Reduced: 25 kDa, 25 kDa for Human Fab. Other band(s): None.