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.

ED50 is less than 0.01 ng/ml as determined by the M1 cell differentiation assay.
Specific Activity of 1.0 x 108 IU/mg.

Leukemia Inhibitory Factor

P15018 (Human)

LIF

>95% as determined by reducing SDS-PAGE.

MSPLPITPVNATCAIRHPCHNNLMNQIRSQLAQLNGSANALFILYYTAQGEPFPNNLDKLCGPNV TDFPPFHANGTEKAKLVELYRIVVYLGTSLGNITRDQKILNPSALSLHSKLNATADILRGLLSNV LCRLCSKYHVGHVDVTYGPDTSGKDVFQKKKLGCQLLGKYKQIIAVLAQAF

Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, 0.02% Tween 20, pH 7.4.

SDS-PAGE , FuncS