Human B-Lymphocyte Activation Antigen B7-1, Active Protein is a purified Active Protein. Purity: >95% by SDS-PAGE. Host: 293F Cell. Endotoxin Level: <1.0EU per 1ug, by the LAL method. Species: Human (Homo sapiens). Target Name: B-Lymphocyte Activation Antigen B7-1. Accession Number: P33681. Gene ID: 941. Expression Region: Val35~Asn242. Tag Info: N-terminal His Tag. Theoretical MW: 40-60kda. Buffer: PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.. Target Synonyms: CD80, CD28LG, CD28LG1, BB1, B7-1 Antigen, T-lymphocyte activation antigen CD80, CTLA-4 counter-receptor B7.1 Restrictions: For Research Use Only. Not for use in diagnostic procedures.