Recombinant Human GRO-beta (rHuGRO-beta/ CXCL2 )
Source: Escherichia coli.
Molecular Weight: 7.9 kDa, a single non-glycosylated polypeptide chain containing 73 amino acids.

Recombinant Human GRO-gamma (rHuGRO-gamma/CXCL3 )
Source: Escherichia coli.
Molecular Weight: 7.9 kDa, a single non-glycosylated polypeptide chain containing 73 amino acids

Recombinant Human Hemofiltrate CC Chemokine-1 (rHuHCC-1 /CCL14)
Source: Escherichia coli.
Molecular Weight: 8.4 kDa, a single non-glycosylated polypeptide chain containing 72 amino acids.

Recombinant Human Interleukin-1 alpha (rHuIL-1α)
Source: Escherichia coli
Molecular Weight: Approximately 18.0 kDa, a single non-glycosylated polypeptide chain containing 159 amino acids.

Recombinant Human Interleukin-1 beta (rHu IL-1β)
Source: Escherichia coli
Molecular Weight: Approximately 17.3 kDa, a single non-glycosylated polypeptide chain containing 153 amino acids.

Recombinant Human Interleukin-10 (rHuIL-10)
Source: Escherichia coli.
Molecular Weight: Approximately 18.6kDa, a single non-glycosylated polypeptide chain containing 161 amino acids.

Recombinant Human Interleukin-11 (rHuIL-11)
Source: Escherichia coli.
Molecular Weight: Approximately 19.1 kDa, a single non-glycosylated polypeptide chain containing 178 amino acids.

Recombinant Human Interleukin-12 (rHuIL-12)
Source: CHO
Molecular Weight: Approximately 75 kDa, consisting of a 306 amino acid residue p40 subunit and a 197 amino acid residue p35 subunit.

Recombinant Human Interleukin-13 (rHuIL-13)
Source: Escherichia coli.
Molecular Weight: Approximately12.5 kDa, a single non-glycosylated polypeptide chain containing 114 amino acids.

Recombinant Human Interleukin-13 Variant (rHuIL-13 variant)
Source: Escherichia coli.
Molecular Weight: Approximately 12.5 kDa, a single non-glycosylated polypeptide chain containing 114 amino acids, with a substitution of Q for R at position 112 compared with the wild type IL-13.

Recombinant Human Interleukin-15 (rHuIL-15)
Source: Escherichia coli.
Molecular Weight: Approximately 12.9 kDa, a single non-glycosylated polypeptide chain containing 115 amino acids.

Recombinant Human Interleukin-21 (rHuIL-21)
Source: Escherichia coli.
Molecular Weight: Approximately 15.4 kDa, a single non-glycosylated polypeptide chain containing 132 amino acids.