Recombinant Human Interleukin-22 (rHu IL-22)
Source: Escherichia coli.
Molecular Weight: Approximately 33.6 kDa,non-disulfide-linked homodimeric protein containing of two 146 amino acid polypeptide chains.

Recombinant Human Interleukin-3 (rHuIL-3)
Source: Escherichia coli.
Molecular Weight: Approximately 15 kDa, a single non-glycosylated polypeptide chain containing 133 amino acids.

Recombinant Human Interleukin-31 (rHu IL-31)
Source: Escherichia coli.
Molecular Weight: Approximately 15.8 kDa, a single non-glycosylated polypeptide chain containing 141 amino acids.

Recombinant Human Interleukin-33 (rHuIL-33)
Source: Escherichia coli.
Molecular Weight: Approximately 17.9 kDa, a single non-glycosylated polypeptide chain containing 159 amino acids.

Recombinant Human Interleukin-7 (rHuIL-7)
Source: Escherichia coli.
Molecular Weight: Approximately 17.4 kD, a single non-glycosylated polypeptide chain containing 153 amino acids.

Recombinant Human Keratinocye Growth Factor-1 (rHuKGF-1)
Source: Escherichia coli.
Molecular Weight: Approximately 19.0 kDa, a single, non-glycosylated polypeptide chain containing 164 amino acids.

Recombinant Human MCP-2 （rHu MCP-2/CCL8）
Source: Escherichia coli.
Molecular Weight: 8.9 kDa, a single non-glycosylated polypeptide chain containing 76 amino acids.

Recombinant Human MIP-1 beta （rHu MIP-1 beta /CCL4
Source: Escherichia coli.
Molecular Weight: 7.6 kDa, a single non-glycosylated polypeptide chain containing 69 amino acids.

Recombinant Human MIP-4 (rHuMIP-4/CCL18)
Source: Escherichia coli
Molecular Weight: 7.8 kDa, a single non-glycosylated polypeptide chain containing 69 amino acids.

Recombinant Human Monocyte Chemotactic Protein-3/CCL7 (rHuMCP-3/CCL7)
Source: Escherichia coli.
Molecular Weight: 9.0 kDa, a single, non-glycosylated polypeptide chain containing 76 amino acids.

Recombinant Human NAP-2 (rHuNAP-2/CXCL7)
Source: Escherichia coli.
Molecular Weight: 7.6 kDa, a single non-glycosylated polypeptide chain containing 70 amino acids.

Recombinant Human Oncostatin-M (rHuOSM)
Source: Escherichia coli.
Molecular Weight: Approximately 26.0 kDa, a single non-glycosylated polypeptide chain containing 227 amino acids.