"CTLA4" Related Products

GMP Recombinant Human CTLA4 Protein

Cat.No.: CTLA4-155HG
Product Overview: Recombinant Human CTLA4 (Lys36-Asp161) with a Fc tag at the C-terminus was produced in HEK293 cell in an animal component free process under cGMP guidelines.
Description: Cytotoxic Tlymphocyte 4(CTLA-4,CD152), is a type I transmembrane T cell inhibitory molecule that is a member of the Ig superfamily. Human or mouse CTLA4 cDNA encodes 223 amino acids (aa) including a 35 aa signal sequence, a 126 aa extracellular domain (ECD) with one Ig-like V-type domain, a 21 aa transmembrane (TM) sequence, and a 41 aa cytoplasmic sequence.It is widely expressed with highest levels in lymphoid tissues. CD28 and CTLA-4, together with their ligands, B7-1 and B7-2, constitute one of the dominant costimulatory pathways that regulate T and B cell responses. CD28 and CTLA-4 are structurally homologous molecules that are members of the immunoglobulin (Ig) gene superfamily. CTLA4 transmits an inhibitory signal to T cells, whereas CD28 transmits a stimulatory signal. Intracellular CTLA4 is also found in regulatory T Cells and may play an important role in their functions. Tcell activation through the Tcell receptor and CD28 leads to increased expression of CTLA4.
Source: HEK293 cell
Species: Human
Tag : Fc
Form: Lyophilized.
AA Sequence: KAMHVAQPAVVLASSRGIASFVCEYASPGKATEVRVTVLRQADSQVTEVCAATYMMGNELTFLDD SICTGTSSGNQVNLTIQGLRAMDTGLYICKVELMYPPPYYLGIGNGTQIYVIDPEPCPDSDQEPK SSDKTHTSPPSPAPELLGGSSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVE VHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQV YTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVD KSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK
Residual Host Cell DNA Content: <10pg/mg
Residual Host Cell Protein Content: <1ug/mg
Endotoxin: <0.1EU/ug
Purity: Greater than 95% as determined by reducing SDS-PAGE.
Usage: Recommemnd working concentration: 10-100ug/ml
Storage: Lyophilized and reconstituted protein should be stored at -80 centigrade. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Reconstitution: Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration >100μg/ml.
Dissolve the lyophilized protein in ddH2O.
Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Quality Statement: Our GMP proteins are produced according to relevant sections of the following documents: WHO TRS, No. 822, 1992 Annex 1, Good Manufacturing Practices for Biological Products; USP Chapter 1043, Ancillary Materials for Cell, Gene and Tissue-Engineered Products and USP Chapter 92, Growth Factors and Cytokines Used in Cell Therapy Manufacturing.
Shipping: The product is shipped at ambient temperature. Upon receipt, store it immediately at the recommended temperature.
Gene Name: CTLA4 cytotoxic T-lymphocyte-associated protein 4 [ Homo sapiens ]
Official Symbol: CTLA4
Synonyms: CTLA4; cytotoxic T-lymphocyte-associated protein 4; CD; CD28; CD152; GSE; ICOS; CD152 isoform; celiac disease 3; cytotoxic T-lymphocyte antigen 4; GRD4; CTLA-4; IDDM12; CELIAC3
Gene ID: 1493
mRNA Refseq: NM_001037631
Protein Refseq: NP_001032720
UniProt ID: P16410

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