2 μg（R: reducing conditions）
Mouse CD19, His tag
Mouse CD19, His tag
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$185.00 USD
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Product Details
Product Details
Product Specification
| Species | Mouse |
| Synonyms | B-lymphocyte antigen CD19, Differentiation antigen CD19 |
| Accession | P25918 |
| Amino Acid Sequence | Protein sequence (P25918, Arg19-Gly287, with C-His tag) RPQKSLLVEVEEGGNVVLPCLPDSSPVSSEKLAWYRGNQSTPFLELSPGSPGLGLHVGSLGILLVIVNVSDHMGGFYLCQKRPPFKDIWQPAWTVNVEDSGEMFRWNASDVRDLDCDLRNRSSGSHRSTSGSQLYVWAKDHPKVWGTKPVCAPRGSSLNQSLINQDLTVAPGSTLWLSCGVPPVPVAKGSISWTHVHPRRPNVSLLSLSLGGEHPVREMWVWGSLLLLPQATALDEGTYYCLRGNLTIERHVKVIARSAVWLWLLRTGG |
| Expression System | HEK293 |
| Molecular Weight | Predicted MW: 31.3 kDa Observed MW: 45-60 kDa |
| Purity | ＞90% by SDS-PAGE |
| Endotoxin | <0.1EU/μg |
| Tag | with C-His tag |
| Physical Appearance | Lyophilized Powder |
| Storage Buffer | Lyophilized from a 0.2 μm filtered solution of 0.2M PBS, pH7.4. |
| Reconstitution | Reconstitute no more than 1 mg/mL according to the size in deionized water after rapid centrifugation. |
| Stability & Storage | 12 months from date of receipt, -20 to -70 °C as supplied. |
Background
B-lymphocyte antigen CD19, also known as CD19 molecule (Cluster of Differentiation 19), B-Lymphocyte Surface Antigen B4, T-Cell Surface Antigen Leu-12 and CVID3 is a transmembrane protein. CD19 is expressed in all B lineage cells. CD19 plays two major roles in B cells: on the one hand, it acts as an adaptor protein to recruit cytoplasmic signaling proteins to the membrane; on the other, it works within the CD19/CD21 complex to decrease the threshold for B cell receptor signaling pathways. Due to its presence on all B cells, it is a biomarker for B lymphocyte development, lymphoma diagnosis and can be utilized as a target for leukemia immunotherapies.
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