Unconjugated

Recombinant

E. coli

Human

Store at −20 °C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7 °C for 2-7 days. Aliquots of reconstituted samples are stable at −20 °C for 3 months.

Specific Activity is greater than 1.0 x 108 IU/ mg as determined in a viral resistance assay using VSVWISH cells.

3440

Interferon Alpha2

P01563 (Human)

IFN alpha 2a

>95% as determined by reducing SDS-PAGE.

MCDLPQTHSLGSRRTLMLLAQMRKISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIF NLFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLY LKEKKYSPCAWEVVRAEIMRSFSLSTNLQESLRSKE

Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, pH 7.2.

SDS-PAGE , FuncS