Active Recombinant Human LIF, Fc-tagged, Biotinylated

• Cat.No.: LIF-635H
• Product Overview: The recombinant human LIF-Fc fusion is expressed as a 419amino acid protein consisting of Ser23 - Phe202 region of (UniProt accession #P15018) and a C-terminal Fc from human IgG1, which exists as a dimer under non-reducing conditions.

Specification

• Source: Human cells
• Species: Human
• Tag: Fc
• Form: Supplied at 0.5 mg/ml in sterile PBS pH7.4 (carrier & preservative free). The purified recombinant protein was labeled with Biotin (3-5 Biotin per molecule).
• Bio-activity: Stimulates TF-1 human erythroleukemic cell proliferation assay with an ED50 typically 0.1 - 0.2 ng/ml. Induce IL-6 secretion in M1 mouse myeloid leukemia cells. Supports the maintenance of embryonic stem (ES) cell pluripotency and germline competency.
• Molecular Mass: Calculated molecular mass (kDa): 46.5; Estimated by SDS-PAGE under reducing condition (kDa): 60-65 (probably due to glycosylation)
• AA Sequence: SPLPITPVNATCAIRHPCHNNLMNQ IRSQLAQLNGSANALFILYYTAQGE PFPNNLDKLCGPNVTDFPPFHANG TEKAKLVELYRIVVYLGTSLGNITR DQKILNPSALSLHSKLNATADILRG LLSNVLCRLCSKYHVGHVDVTYGP DTSGKDVFQKKKLGCQLLGKYKQII AVLAQAFGSTTENLYFQGSTGTHTC PPCPAPELLGGPSVFLFPPKPKDT LMISRTPEVTCVVVDVSHEDPEVKF NWYVDGVEVHNAKTKPREEQYNSTY RVVSVLTVLHQDWLNGKEYKCKVS NKALPAPIEKTISKAKGQPREPQVY TLPPSREEMTKNQVSLTCLVKGFYP SDIAVEWESNGQPENNYKTTPPVL DSDGSFFLYSKLTVDKSRWQQGNVF SCSVMHEALHNHYTQKSLSLSPGK
• Endotoxin: <0.1 eu per 1 μg of purified recombinant protein determined by the lal>
• Purity: >95% judged by SDS-PAGE under reducing condition
• Storage: The product is shipped at 4°C. Upon receipt, centrifuge the product briefly before opening the vial. It is recommended to store small aliquots at the temperature below –20°C for long-term storage and the product is stable for 3 months. The undiluted protein can be stored at 4°C for no more than 2 weeks. Avoid repeated freeze-thaw cycles.

Gene Information

• Gene Name: LIF leukemia inhibitory factor [ Homo sapiens ]
• Official Symbol: LIF
• Synonyms: LIF; leukemia inhibitory factor; CDF; cholinergic differentiation factor; DIA; differentiation inhibitory activity; differentiation inducing factor; hepatocyte stimulating factor III; HILDA; human interleukin in DA cells; D factor; melanoma-derived LPL inhibitor; differentiation-inducing factor; hepatocyte-stimulating factor III; differentiation-stimulating factor; MLPLI
• Gene ID: 3976
• mRNA Refseq: NM_001257135
• Protein Refseq: NP_001244064
• MIM: 159540
• UniProt ID: P15018
• Chromosome Location: 22q12.2
• Pathway: Adipogenesis, organism-specific biosystem; Cytokine-cytokine receptor interaction, organism-specific biosystem; Cytokine-cytokine receptor interaction, conserved biosystem; Direct p53 effectors, organism-specific biosystem; Jak-STAT signaling pathway, organism-specific biosystem; Jak-STAT signaling pathway, conserved biosystem; MicroRNAs in cardiomyocyte hypertrophy, organism-specific biosystem
• Function: cytokine activity; growth factor activity; leukemia inhibitory factor receptor binding; leukemia inhibitory factor receptor binding; receptor binding