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Description
Fc γ RIIIB/CD16b (NA2) His Tag Protein, HumanProduct Specification Species Human Accession O75015 1 Amino Acid Sequence Gly17 Ser200, with C 10*His GMRTEDLPKAVVFLEPQWYSVLEKDSVTLKCQGAYSPEDNSTQWFHNESLISSQASSYFIDAATVNDSGEYRCQTNLSTLSDPVQLEVHIGWLLLQAPRWVFKEEDPIHLRCHSWKNTALHKVTYLQNGKDRKYFHHNSDFHIPKATLKDSGSYFCRGLVGSKNVSSETVNITITQGLAVSTISGGGSGGGSHHHHHHHHHH Expression System HEK293 Molecular Weight 38 52kDa(Reducing) Purity 95% by SDS PAGE Endotoxin <0. 1EU g Conjugation Unconjugated Tag His Tag Physical
Product Specification
| Species | Human |
| Accession | O75015-1 |
| Amino Acid Sequence | Gly17-Ser200, with C-10*His GMRTEDLPKAVVFLEPQWYSVLEKDSVTLKCQGAYSPEDNSTQWFHNESLISSQASSYFIDAATVNDSGEYRCQTNLSTLSDPVQLEVHIGWLLLQAPRWVFKEEDPIHLRCHSWKNTALHKVTYLQNGKDRKYFHHNSDFHIPKATLKDSGSYFCRGLVGSKNVSSETVNITITQGLAVSTISGGGSGGGSHHHHHHHHHH |
| Expression System | HEK293 |
| Molecular Weight | 38-52kDa(Reducing) |
| Purity | ＞95% by SDS-PAGE |
| Endotoxin | <0.1EU/μg |
| Conjugation | Unconjugated |
| Tag | His Tag |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | PBS, pH7.4 |
| Reconstitution | Reconstitute under 1mg/ml according to the size in ultrapure water after rapid centrifugation. |
| Stability & Storage | · 12 months from date of receipt, lyophilized powder stored at -20 to -80℃. · 3 months, -20 to -80℃ under sterile conditions after reconstitution. · 1 week, 2 to 8℃ under sterile conditions after reconstitution. · Please avoid repeated freeze-thaw cycles. |
Background
IgG Fc receptor (Fc γ R) is a member of the Ig superfamily, which plays a role in activating or inhibiting immune response. Human Fc γ Rs is identified as three types: RI (CD64), RII (CD32) and RIII (CD16). CD16 is a low-affinity Fc receptor, which has been identified as Fc receptor Fc γ RIII (a (CD16a) and Fc γ RIIIb (CD16b). CD16b is a single-chain molecule containing an ITIM motif in the cytoplasmic domain and is specifically expressed by neutrophils and stimulated eosinophils. CD16b can bind IgG in monomeric, complex or aggregated forms. CD16 has three allelic variants NA-1, NA-2 and SH. CD16 inhibits multiple cellular functions such as B cell activation/proliferation and mast cell degranulation, fails to mediate antibody-dependent cytotoxicity and phagocytosis, acts as a trap for peripheral circulating immune complexes, binds IgG complexes but does not activate neutrophils. By interacting with CR3 and CR4, CD16 induces monocytes to produce IL-6 and IL-8, thereby regulating the inflammatory process.
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