| Description | Purified recombinant protein of Homo sapiens C1q and tumor necrosis factor related protein 5 (C1QTNF5) | Purified recombinant protein of Human activating transcription factor 4 (tax-responsive enhancer element B67) (ATF4), transcript variant 1, full length, with N-terminal HIS tag, expressed in E.Coli, 50ug | Purified recombinant protein of Human prostate stem cell antigen (PSCA), transcript variant 1, esidues 21-95aa, with C-terminal DDK tag,expressed in human cells; | Purified recombinant fusion protein that includes the RBD of SARS-CoV-2 Spike protein (S-Protein) and Virion Surface Domain of Membrane Protein (M-protein) with C-terminal HIS-tag | Purified recombinant protein of Human Sp1 transcription factor (SP1), transcript variant 1, full length, with N-terminal HIS tag, expressed in E.Coli, 50ug |