BP005007: Cynomolgus IL-31 Protein with the N-His Tag
Source: The recombinant Cynomolgus IL-31 Protein, (amino acids Leu27-Thr163) fused with a His tag at the N-terminus, was produced in HEK 293 cells.
Activity: The affinity constant of 1.32 nM as determined in SPR assay (Biacore T200).
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.BP004984: Human IL-31 Protein with the N-His Tag
Source: The recombinant Human IL-31 Protein, (amino acids Ser24-Thr164) fused with a His tag at the N-terminus, was produced in HEK 293 cells.
Activity: Immobilized recombinant Human IL-31 protein with the N-His tag at 5 ug/ml (100 ul/Well) on the plate. Dose response curve for the recombinant Human IL-31 RA protein with the N-hFc tag with the EC50 of 1.53 ug/ml determined by ELISA (QC Test). The affinity constant of 1.5 nM as determined in SPR assay (Biacore T200).
Purity: >95% by SEC-HPLC and SDS-PAGE under reducing conditions.
Endotoxin Level: Less than 1 EU per ug of protein as determined by LAL method.BP000169-C053: Recombinant Human Interleukin-31 (IL-31) Protein
Source: E. coli-derived.
Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
Endotoxin: < 0.1 ng/ug (1 IEU/ug).BP000154-CYT-625: Recombinant Human Interleukin 31 (IL-31) Protein
Source: E. coli-derived.
The ED50 was determined by its ability to activate STAT following receptor ligand interaction and found to be <5 ug/ml, corresponding to a specific activity of 200,000 units.
Purity: > 95% by SDS-PAGE and RP-HPLC.BP000169-CYT-604: Recombinant Mouse Interleukin-31 (IL-31) Protein
Source: E. coli-derived.
Purity: > 97% by SDS-PAGE and RP-HPLC.