Species : |
Human |
Source : |
E.coli |
Tag : |
Non |
Description : |
Catalyzes the first and rate limiting step of the catabolism of the essential amino acid tryptophan along the kynurenine pathway. Involved in the peripheral immune tolerance, contributing to maintain homeostasis by preventing autoimmunity or immunopathology that would result from uncontrolled and overreacting immune responses. Tryptophan shortage inhibits T lymphocytes division and accumulation of tryptophan catabolites induces T-cell apoptosis and differentiation of regulatory T-cells. Acts as a suppressor of anti-tumor immunity. Limits the growth of intracellular pathogens by depriving tryptophan. Protects the fetus from maternal immune rejection. |
Purity : |
>90 % as determined by SDS-PAGE. |
Notes : |
For research use only. |
Storage : |
Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8 centigrade for one week. Store at -20 to -80 centigrade for twelve months from the date of receipt. |
Storage Buffer : |
Supplied as solution form in PBS pH 7.5 or lyophilized from PBS pH 7.5. |
Reconstitution : |
Reconstitute in sterile water for a stock solution. |
Shipping : |
In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise. |