UL16-binding proteins (ULBP) or retinoic acid early transcripts-1 (RAET1) are ligands to the activating receptor, NKG2D. Ten members of the human ULBP/RAET1 gene family have been identified to encode for potentially functional proteins, and have tissue-specific expressions. ULBP1, also known as RAET1I and NKG2DL1, together with at least ULBP 2 and 3, are well-known ligands for NKG2D, and activate multiple signaling pathways in primary NK cells, resulting in the production of cytokines and chemokines. ULBP1 is expressed in T-cells, B-cells, erythroleukemia cell lines and in a wide range of tissues including heart, brain, lung, liver and bone marrow, as well as some tumor cells. As an unconventional member of the MHC class I family, ULBP1 function in immune responses, especially in cancer and infectious diseases. Unlike other ULBP members, ULBP1 is able to interact with soluble CMV glycoprotein UL16 in CMV infected cells. The interaction with UL16 blocked the interaction with the NKG2D receptor, and thus might escape the immune surveillance. Furthermore, UL16 also causes ULBP1 to be retained in the ER and cis-Golgi apparatus so that it does not reach the cell surface. The ULBP1 regulation may have implications for development of new therapeutic strategies against cancer cells.
Tag
His tag ; Fc tag
Description
A DNA sequence encoding the mature form of human ULBP1 (NP_079494.1) (Met 1-Gly 216) was fused with the C-terminal polyhistidine-tagged Fc region of human IgG1 at the C-terminus.
Regulatory
RUO
Host
Human Cells
Endotoxin Level
< 1.0 EU per μg of the protein as determined by the LAL method
Nature
Recombinant
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Buffer
Lyophilized from sterile PBS, pH 7.4
Description
Please refer to the printed manual for detailed information.
Purity
> 95 % as determined by SDS-PAGE
Expiry Date
Samples are stable for up to twelve months from date of receipt at -70℃
Immunogen Species
Homo Sapiens (Human)
Attachment
Reviews of Recombinant Human ULBP1/N2DL1 Protein (His & Fc Tag)(Active)