RECOMBINANT HUMAN INTERLEUKIN-1 a - BULK
Specifications
Enclosed in each vial is 100 microgram of recombinant human interleukin-1 a

Protein Concentration
1.0 mg/ml (by amino acid analysis)

Purity
99% by SDS-PAGE

Activity
3 x 108 units/ml (D10 assay)

Specific Activity
3 x 108 units/mg

Endotoxin
0.5 EU/ml (LAL)

Buffer
50mM K2PO4, 0.1M NaCl (pH 6.5)

Storage
Store at -70oC


CAUTION: FOR RESEARCH USE ONLY. NOT FOR DRUG OR DIAGNOSTIC USE. NOT FOR USE IN HUMANS.

Additional Information: This lot of recombinant human IL-1 α (117-271) was purified from E. coli under GLP conditions and consists of the carboxy-terminal 155 amino acids of the 271 amino acid human IL-1 alpha precursor (see Gubler et al., "recombinant Human Interleukin-1 alpha: Purification and Biological Characterization," J. Immun. (1986 136:2492-2497).

This material was aseptically re-vialed in aliquots of 100 micrograms. Please note that this sample contains no preservatives, and hence should be handled aseptically (eg. open container in a biological safety cabinet). The activity of the pure protein is stable at 4oC (if kept sterile and not exposed to protease), at -20oC, to lyophilization, and to several cycles of freezing and thawing. Heating the diluted sample at 100oC for 60 minutes will destroy most of its IL-1 bioactivity.

NOTE: Recipients of bulk cytokines and monoclonal antibodies will be required to sign a Material Transfer Agreement. All International Orders are required to pay a packaging and handling fee. All recipients are required to providea a FedEx account number. All recipients are required to pay for shipping.