Human CD40 protein

SKU: orb705123

Description

This Human CD40 protein spans the amino acid sequence from region 21-193aa. Purity: Greater than 92% as determined by SDS-PAGE.

Research Area

Immunology & Inflammation

Images & Validation

• Application Notes:
  We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.

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Key Properties

• Source: Mammalian cell
• Biological Origin: Homo sapiens (Human)
• Biological Activity: ①Measured by its binding ability in a functional ELISA. Immobilized CD40 at 2 μg/ml can bind CD40L, the EC50 is 3.112-3.858 ng/ml.②Human CD40 protein hFc tag captured on COOH chip can bind Human CD40L protein hFc and Flag tag with an affinity constant of 2.06 nM as detected by LSPR Assay.
• Tag: C-terminal hFc1-tagged
• Expression Region: 21-193aa
• Protein Length: Partial
• Endotoxins: Less than 1.0 EU/μg as determined by LAL method.
• MW: 48 kDa
• Purity: Greater than 92% as determined by SDS-PAGE.
• Protein Sequence: EPPTACREKQYLINSQCCSLCQPGQKLVSDCTEFTETECLPCGESEFLDTWNRETHCHQHKYCDPNLGLRVQQKGTSETDTICTCEEGWHCTSEACESCVLHRSCSPGFGVKQIATGVSDTICEPCPVGFFSNVSSAFEKCHPWTSCETKDLVVQQAGTNKTDVVCGPQDRLR

Storage & Handling

• Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.
• Form/Appearance: Lyophilized powder
• Buffer/Preservatives: Lyophilized from a 0.2 μm sterile filtered PBS, 6% Trehalose, pH 7.4
• Expiration Date: 6 months from date of receipt.
• Disclaimer: For research use only

Quick Database Links

UniProt

P25942