Recombinant Human Interleukin-2 (rHuIL-2)
Source: Escherichia coli.
Molecular Weight: Approximately 15 kDa, a single non-glycosylated polypeptide chain containing 134 amino acids.

Recombinant Human Osteoprotegerin/Fc Chimera (rHuOPG-Fc)
Source: Pichia. Pastoris.
Molecular Weight: Recombinant OPG/Fc contains 412 amino acid residues, including 180 residues from mature OPG (a.a 22-201) and 232 residues from the Fc protein of human IgG1, and has a calculated molecular mass of 46.5 kDa. As a result of glycosylation, the recombinant OPG/Fc migrates as a 49 kDa protein in SDS-PAGE under reducing conditions.

Recombinant Human Syndecan-4 (rHuSDC-4)
Source: Escherichia coli.
Molecular Weight: Approximately 15.4 kDa, a single non-glycosylated polypeptide chain containing 134amino acids with 6×His at C-terminus.

Recombinant Human Tumor Necrosis Factor-alpha (rHuTNF-α)
Source: Escherichia coli.
Molecular Weight: Approximately 17.5 kDa. The recombinant protein preparation is a mixture of a 158 amino acid residue form containing an N-terminal methionine and a 157 amino acid residue form with the sequence of mature human TNF-α.

Recombinant Human Tumor Necrosis Factor-alpha,His (rHuTNF-α-His)
Source: Escherichia coli.
Molecular Weight: Approximately 17.5 kDa. a single, non-glycosylated, polypeptide chain containing 157 amino acids fragment (77-233) and having a molecular mass of 21.85 kDa with an amino-terminal hexahistidine tag.

Recombinant Murine Fibroblast Growth Factor-basic (rMubFGF )
Source: Escherichia coli.
Molecular Weight: Approximately 16.2 kDa, a single non-glycosylated polypeptide chain containing 146 amino acids.

Recombinant Rat Fibroblast Growth Factor-basic (rRtbFGF )
Source: Escherichia coli.
Molecular Weight: Approximately 16.3 kDa, a single non-glycosylated polypeptide chain containing 145 amino acids.

Recombinant Cyclin-Dependent Kinase Inhibitor 2A (rHuP16-INK4a)
Source: Escherichia coli
Molecular Weight: Approximately 16.5 kDa, a single non-glycosylated polypeptide chain containing 156 amino acids.

Recombinant Viral Macrophage Inflammatory Protein-2 (rvMIP-2)
Source: Escherichia coli.
Molecular Weight: 7.9 kDa, a single, non-glycosylated polypeptide chain containing 70 amino acids.

Recombinant Human soluble CD40 Ligand (rHusCD40L)
Source: Escherichia coli.
Molecular Weight: Approximately 16.3 kDa. a single non-glycosylated polypeptide chain containing 149 amino acids.

Recombinant Rat Insulinlike growth factor I (rRtIGF-1)
Source: Escherichia coli.
Molecular Weight: Approximately 7.7 kDa, a single non-glycosylated polypeptide chain containing 70 amino acid residues.

Recombinant Rat Insulin-like Growth Factor-1 (rRtIGF-1)
Source: Escherichia coli.
Molecular Weight: Approximately 7689 Da, a single non-glycosylated polypeptide chain containing 70 amino acids.