Name : Human FGL1 Protein

Product Source :
Recombinant Human FGL1 Protein is expressed from HEK293 with hFc tag at the N-Terminus. It contains Asp64-Asn305.[Accession | Q08830]

Molecular Weight :
The protein has a predicted MW of 54.8 kDa. Due to glycosylation, the protein migrates to 60-66 kDa based on Tris-Bis PAGE result.

Endotoxin Level :
Less than 1EU per μg by the LAL method.

Purity :
> 95% as determined by Tris-Bis PAGE> 90% as determined by HPLC

Formulation :
Supplied as 0.22μm filtered solution in 20mM PB, 250mM NaCl (pH 7.4).

Reconstitution :

Storage and Stability :
Valid for 12 months from date of receipt when stored at -80°C. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.

Product Concentration :
Tris-Bis PAGE Human FGL1 on Tris-Bis PAGE under reduced condition. The purity is greater than 95%. SEC-HPLC The purity of Human LTBR is greater than 90% as determined by SEC-HPLC. ELISA Data Immobilized Human LAG3, His Tag at 2μg/ml (100μl/Well) on the plate. Dose response curve for Human FGL1, hFc Tag with the EC50 of 0.91μg/ml determined by ELISA.

Background :
Fibrinogen-like protein 1 (FGL-1) is a protein that is structurally related to fibrinogen. In humans, FLG-1 is encoded by the FGL1 gene.Fibrinogen-like protein 1 is a member of the fibrinogen family of proteins, which also includes fibrinogen, fibrinogen-like protein 2, and clotting factors V, VIII, and XIII.Fibrinogen-like Protein 1 is a major immune inhibitory ligand of LAG-3.

Synonyms :
FGL1; FGL-1; Hepassocin; HP-041; HFREP-1; LFIRE-1; HFREP1; Lag3 ligand

References & Citations :
(1)Wang, J., Sanmamed, M.F., Datar, I., Su, T.T., Ji, L., Sun, J., Chen, L., Chen, Y., Zhu, G., Yin, W., et al. (2019). Fibrinogen-like Protein 1 Is a Major Immune Inhibitory Ligand of LAG-3. Cell 176, 334-347.e312.

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