Recombinant Human CD34 Protein (His Tag) (PKSH031876)
 
                        For research use only.
| Synonyms | CD34, RP11-328D5.2 | 
| Species | Human | 
| Expression Host | HEK293 Cells | 
| Sequence | Met 1-Thr 290 | 
| Accession | NP_001020280.1 | 
| Calculated Molecular Weight | 29 kDa | 
| Observed Molecular Weight | 40&50 kDa | 
| Tag | C-His | 
| Bio-activity | Not validated for activity | 
| Form | Lyophilized powder | 
| Purity | > 95 % as determined by reducing SDS-PAGE. | 
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. | 
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. | 
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. | 
| Formulation | Lyophilized from sterile PBS, pH 7.4 Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. | 
| Reconstitution | Please refer to the printed manual for detailed information. | 
| Background | Cluster of Differentiation 34 (CD34) is a member of a family of single-pass transmembrane sialomucin proteins, and may function as a cell-cell adhesion factor. CD34 protein is selectively expressed on hematopoietic progenitor cells and the small vessel endothelium of a variety of tissues. It has been widely used as a stem and progenitor cell marker, and clinical CD34+ stem cell transplantation (CD34+SCT) has been performed for tumor purging. CD34 monoclonal antibodies are widely used to identify and isolate hemopoietic progenitors and to classify acute and chronic leukemias. | 
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