Bulk Human IgG4 (IB4) Isotype Control

Bulk Human IgG4 Isotype Control (IB4)

ichorbio's bulk Human IgG4 Isotype Control (IB4) is manufactured in a cGMP compliant, ISO Quality Standard 9001:2015 facility. ichorbio's low endotoxin antibodies have half the endotoxin of comparable antibodies from Bio X Cell at less than 1.0 EU/mg.

n/a. We mutated the CDR regions of a human IgG4 antibody to abolish binding to human proteins

IB4

ichorbio's recombinant human IgG4 in vivo antibody is available in the following bulk sizes: 5mg, 25mg, 50mg and 100mg. ichorbio regularly manufactures multi-gram amounts of our human IgG4 antibody - please contact us for pricing.

Human IgG4

HEK-293

Human

This Human IgG4 isotype control recombinant antibody has been tested against selected human cells and tissues to assure minimal cross reactivity.

This monoclonal antibody was purified using multi-step affinity chromatography methods such as Protein A or G depending on the species and isotype.

Recombinant IgG4 human antibody.

>5.0 mg/ml

This monoclonal antibody is aseptically packaged and formulated in 0.01 M phosphate buffered saline (PBS) pH 7.2 - 7.4, 150 mM NaCl with no carrier protein, potassium or preservatives added. BSA and azide free

>95% by SDS-PAGE and HPLC

>98% by SDS-PAGE and HPLC

≤ 1.0 EU/mg as determined by the LAL method

≤ 0.75 EU/mg as determined by the LAL method

Aggregation level ≤ 5%

Aggregation level ≤ 1%

This antibody is stable for at least 4 weeks when stored at 2-8°C. For long term storage, aliquot in working volumes without diluting and store at – 20°C or -80°C. Avoid repeated freeze thaw cycles.

Flow Cytometry, Functional Assays

Each investigator should determine their own optimal working dilution for specific applications.

Products are for research use only.