Recombinant Rat CD28 Protein, His-tagged, Alexa Fluor 555 conjugated

• Cat.No.: CD28-1100RAF555
• Product Overview: Alexa Fluor 555 conjugated recombinant rat Cd28 (EDL98926.1) (Met1-Lys149) was expressed with a polyhistidine tag at the C-terminus.

Specification

• Source: HEK293
• Species: Rat
• Tag: His
• Form: Lyophilized
• Molecular Mass: 16.4 kDa
• Protein length: 141
• N-terminal Sequence Analysis: Asn 20
• Endotoxin: < 1.0 EU/ μg of the protein as determined by the LAL method.
• Purity: > 85 % as determined by SDS-PAGE
• Characteristic: Disulfide-linked homodimer
  Labeled with Alexa Fluor 555 via amines
  With an excitation and emission maximum of 555/565 nm, Alexa Fluor 555 can be efficiently excited using a 543 nm He-Ne laser line and detected under standard TRITC/Cy3 filters.
• Stability: Samples are stable for up to 12 months from date of receipt at -70 centigrade.
• Storage: Store it under sterile conditions at -20 to-70 centigrade. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
• Storage Buffer: Lyophilized from sterile PBS, pH 7.4, 5%-8% trehalose and mannitol.
• Reconstitution: It is recommended that sterile water be added to the vial to prepare a stock solution of 0.25 μg/μL. Centrifuge the vial at 4 centigrade before opening to recover the entire contents.

Gene Information

• Gene Name: Cd28 Cd28 molecule [ Rattus norvegicus ]
• Official Symbol: CD28
• Synonyms: CD28; Cd28 molecule; T-cell-specific surface glycoprotein CD28; CD28 antigen; CD28RNA
• Gene ID: 25660
• mRNA Refseq: NM_013121
• Protein Refseq: NP_037253