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Description
Siglec-15 His Tag Protein, MouseProduct Specification Species Mouse Synonyms Sialic acid binding Ig like lectin 15, SIGLEC I Accession A7E1W8 Amino Acid Sequence Arg24 Thr262, with C terminal 10 * His RRDASGDLLNTEAHSAPAQRWSMQVPAEVNAEAGDAAVLPCTFTHPHRHYDGPLTAIWRSGEPYAGPQVFRCTAAPGSELCQTALSLHGRFRLLGNPRRNDLSLRVERLALADSGRYFCRVEFTGDAHDRYESRHGVRLRVTAAAPRIVNISVLPGPAHAFRALCTAEGEPPPALAWSGPAPGNSSAALQGQGHGYQVTAELPALTRDGRYTCTAANSLGRAEASVYLFRFHGAPGTSTGGGSHHHHHHHHHH Expression System HEK293
Product Specification
| Species | Mouse |
| Synonyms | Sialic acid binding Ig-like lectin 15, SIGLEC-I |
| Accession | A7E1W8 |
| Amino Acid Sequence | Arg24-Thr262, with C-terminal 10 * His RRDASGDLLNTEAHSAPAQRWSMQVPAEVNAEAGDAAVLPCTFTHPHRHYDGPLTAIWRSGEPYAGPQVFRCTAAPGSELCQTALSLHGRFRLLGNPRRNDLSLRVERLALADSGRYFCRVEFTGDAHDRYESRHGVRLRVTAAAPRIVNISVLPGPAHAFRALCTAEGEPPPALAWSGPAPGNSSAALQGQGHGYQVTAELPALTRDGRYTCTAANSLGRAEASVYLFRFHGAPGTSTGGGSHHHHHHHHHH |
| Expression System | HEK293 |
| Molecular Weight | 35-40kDa |
| 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 at 0.1-1 mg/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. |
| Reference | 1.Wang J. et al. (2019) Siglec-15 as an immune suppressor and potential target for normalization cancer immunotherapy, Nature Medicine. 25: 656-666. |
Background
Siglec-15 is a critical immune suppressor with broad upregulation on various cancer types and a potential target for cancer immunotherapy. Siglec-15 has unique molecular features compared with many other known checkpoint inhibitory ligands. It shows prominent expression on macrophages and cancer cells and a mutually exclusive expression with PD-L1. As a new player in the cancer immunotherapeutic arena, Siglec-15 may represent a novel class of immune inhibitors with tumor-associated expression and divergent mechanisms of action to PD-L1, with potential implications in anti-PD-1/PD-L1-resistant patients. Siglecs are cell surface proteins that bind sialic acid. They are found primarily on the surface of immune cells and are a subset of the I-type lectins. Siglec-15 consisting of immunoglobulin (Ig)-like domains, transmembrane domain and a short cytoplasmic tail. Siglec-15 is that recognizes sialylated glycans and regulates osteoclast differentiation. Siglec-15 is a potential therapeutic target for osteoporosis and plays a conserved regulatory role in the immune system of vertebrates.
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