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IgG consists of four isotypes IgG1 IgG2 IgG3 and IgG4. It contains four polypeptide chains made of two identical 50 kDa³ heavy (H) chains and two identical 25 kDaº or» light (L) chains which are connected by inter-chain disulfide bonds.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More
Small and Specialty Supplier Partner Small and/or specialty supplier based on Federal laws and SBA requirements. Learn More
Recombinant human interferon lambda-2 (IL-28A) with a C-terminal 6xHis tag, expressed in E. coli and supplied as a lyophilized powder. The preparation is endotoxin-low and biologically active for in vitro antiviral and immunomodulatory assays, intended for research and cell culture applications.
Species: human.
Expression system: E. coli.
Tag: C-terminal 6xHis.
Formulation: lyophilized from PBS (pH 8.0) with trehalose.
Purity: >95% by reducing SDS-PAGE.
Predicted molecular mass: 20.6 kDa (≈20 kDa by SDS-PAGE).
Endotoxin: <0.1 EU per μg.
Biological activity: ED50 <20 ng/mL in protection assay.
Recommended use: for research and cell culture only.
Storage: store at -20°C; reconstituted material stable at 4°C for 1 week.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More
Small and Specialty Supplier Partner Small and/or specialty supplier based on Federal laws and SBA requirements. Learn More
Animal-Free IFN-lambda 2 (interleukin-28A) is a recombinant mouse cytokine produced in E. coli and supplied with a C-terminal 6xHis tag for research use. The lyophilized protein is intended for cell culture studies and antiviral assays; the manufacturer reports a predicted molecular mass of 20.6 kDa, purity >95% by reducing SDS-PAGE, and biological activity with an ED50 <2 ng/mL. Store at -20°C; after reconstitution it is stable short term at 4°C.
Produced in an animal-free process to reduce variability.
Expressed in E. coli with a C-terminal 6xHis tag for detection and purification.
High purity (>95%) confirmed by reducing SDS-PAGE.
Predicted molecular mass ~20.6 kDa; SDS-PAGE observed 17-25 kDa.
Demonstrated biological activity (ED50 <2 ng/mL) in antiviral assays.
Recommended storage at -20°C; stable short term at 4°C after reconstitution.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More