Cytokines Recombinant Proteins
Human LIF Recombinant Protein (RPPB0737)
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- SKU:
- RPPB0737
- Product Type:
- Recombinant Protein
- Species:
- Human
- Uniprot:
- P15018
- Research Area:
- Cytokines
Description
| Product Name: | Human LIF Recombinant Protein |
| Product Code: | RPPB0737 |
| Size: | 25µg |
| Species: | Human |
| Target: | LIF |
| Synonyms: | CDF, HILDA, D-FACTOR, Differentiation- stimulating factor, Melanoma-derived LPL inhibitor, MLPLI, Emfilermin, Leukemia inhibitory factor, LIF, DIA. |
| Source: | Pichia pastoris |
| Physical Appearance: | Sterile Filtered White lyophilized (freeze-dried) powder. |
| Formulation: | The protein was lyophilized from a 0.2 �m filtered PBS. |
| Solubility: | It is recommended to reconstitute the lyophilized LIF in sterile 18M-cm H2O not less than 100�g/ml, which can then be further diluted to other aqueous solutions. |
| Stability: | Lyophilized LIF although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution LIF should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles. |
| Purity: | Greater than 98.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE. |
| Amino Acid Sequence: | S P L P I T P V N A T C A I R H P C H N N L M N Q I R S Q L A Q L N G S A N A L F I L Y Y T A Q G E P F P N N L D K L C G P N V T D F P P F H A N G T E K A K L V E L Y R I V V Y L G T S L G N I T R D Q K I L N P S A L S L H S K L N A T A D I L R G L L S N V L C R L C S K Y H V G H V D V T Y G P D T S G K D V F Q K K K L G C Q L L G K Y K Q I I A V L A Q A F |
| Biological Activity: | The biological activity of recombinant human LIF was measured by the ability to induce differentiation of murine M1 myeloid leukemic cells. The minimal detectable concentration of human LIF in this assay is <0.05 ng/mL. The specific activity is > 1 x 108 units/mg. |
Leukemia Inhibitory Factor also called LIF is a lymphoid factor that promotes long-term maintenance of embryonic stem cells by suppressing spontaneous differentiation. Leukemia Inhibitory Factor has several functions such as cholinergic neuron differentiation, control of stem cell pluripotency, bone & fat metabolism, mitogenesis of factor dependent cell lines & promotion of megakaryocyte production in vivo. Human and mouse LIF exhibit a 78% identity in its amino acid sequence.
LIF Human Recombinant produced in yeast is a single, glycosylated polypeptide chain containing 180 amino acids and having a molecular mass of 58.5 kDa. The LIF is purified by proprietary chromatographic techniques.
| UniProt Protein Function: | LIF has the capacity to induce terminal differentiation in leukemic cells. Its activities include the induction of hematopoietic differentiation in normal and myeloid leukemia cells, the induction of neuronal cell differentiation, and the stimulation of acute-phase protein synthesis in hepatocytes. |
| NCBI Summary: | The protein encoded by this gene is a pleiotropic cytokine with roles in several different systems. It is involved in the induction of hematopoietic differentiation in normal and myeloid leukemia cells, induction of neuronal cell differentiation, regulator of mesenchymal to epithelial conversion during kidney development, and may also have a role in immune tolerance at the maternal-fetal interface. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Mar 2012] |
| UniProt Code: | P15018 |
| NCBI GenInfo Identifier: | 126279 |
| NCBI Gene ID: | 3976 |
| NCBI Accession: | P15018.1 |
| UniProt Secondary Accession: | P15018,Q52LZ2, B2RCW7, B5MC23, |
| UniProt Related Accession: | P15018 |
| Molecular Weight: | 9,563 Da |
| NCBI Full Name: | Leukemia inhibitory factor |
| NCBI Synonym Full Names: | LIF, interleukin 6 family cytokine |
| NCBI Official Symbol: | LIF�� |
| NCBI Official Synonym Symbols: | CDF; DIA; HILDA; MLPLI�� |
| NCBI Protein Information: | leukemia inhibitory factor |
| UniProt Protein Name: | Leukemia inhibitory factor |
| UniProt Synonym Protein Names: | Differentiation-stimulating factor; D factor; Melanoma-derived LPL inhibitor; MLPLI; INN: Emfilermin |
| Protein Family: | Leukemia inhibitory factor |
| UniProt Gene Name: | LIF�� |
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