Human B7-H3 (4Ig) / B7-H3b Protein, His Tag

Human B7-H3 (4Ig) Protein, His Tag AIDD-Ready protein is designed for direct use in SPR assays. It is supplied in a sugar-free, glycerol-free formulation to eliminate refractive index interference in SPR. No desalting or buffer exchange is required before use, simplifying the SPR workflow and supporting high-throughput experimental validation to accelerate the transition from AI prediction to wet-lab validation.

4Ig-B7-H3, B7-H3, CD276, PSEC0249, UNQ309, PRO352, B7 homolog 3

Human B7-H3 (4Ig) Protein, His Tag (B7B-H52E7AI) is expressed from human 293 cells (HEK293). It contains AA Gly 27 - Thr 461 (Accession # Q5ZPR3-1).

>90% as determined by SDS-PAGE.

>90% as determined by SEC-HPLC.

Formulated in a proprietary trehalose-free buffer, supplied ready-to-use for SPR/BLI analysis - no buffer exchange required.

For detailed formulation, please refer to the batch-specific COA.

This product is supplied and shipped on dry ice.

Please avoid repeated freeze-thaw cycles.

• The product MUST be stored at -70°C or lower upon receipt;
• -70°C for 12 months under sterile conditions.