Recombinant Human SF20/MYDGF Protein, CF

Catalog # Availability Size / Price Qty
Recombinant Human SF20/MYDGF Protein SDS-PAGE
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Product Details

Recombinant Human SF20/MYDGF Protein, CF Summary

Product Specifications

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Measured by its binding ability in a functional ELISA. When Recombinant Human SF20/MYDGF (Catalog # 10231-MY) is immobilized at 2 μg/mL (100 μL/well), Recombinant Human Protein Disulfide Isomerase/P4HB (Catalog # 4236-DI) binds with an ED50 of 0.8-4.8 μg/mL.
Chinese Hamster Ovary cell line, CHO-derived human SF20/MYDGF protein
Accession #
N-terminal Sequence
Predicted Molecular Mass
16 kDa
14-15 kDa, under reducing conditions

Product Datasheets

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.


Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Data Images

SDS-PAGE Recombinant Human SF20/MYDGF Protein SDS-PAGE View Larger

2 μg/lane of Recombinant Human SF20/MYDGF (Catalog # 10231-MY) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 14-15 kDa.

Binding Activity Recombinant Human SF20/MYDGF Protein Binding Activity View Larger

When Recombinant Human SF20/MYDGF (Catalog # 10231-MY) is immobilized at 2 µg/mL, 100 µg/well, Recombinant Human Protein Disulfide Isomerase/P4HB (Catalog # 4236-DI) binds with an ED50 of 0.8-4.8 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Background: SF20/MYDGF

Myeloid-Derived Growth Factor, or MYDGF, is a Bone marrow-derived monocyte protein, and it is correlated with enhanced metabolic activity, suppression of apoptosis, and stimulation of cell proliferation (1). MYDGF is expressed predominantly in inflammatory cells, such as monocytes and macrophages (1). Up-regulation of MYDGF expression was also found during adipocyte differentiation (2). Expression of MYDGF was induced in the circulation and heart tissue after myocardial infarction. It promotes cardiac myocyte survival by stimulating endothelial cell proliferation through a MAPK1/3-, STAT3- and CCND1-mediated signaling pathway, and inhibits cardiac myocyte apoptosis in a PI3K/AKT-dependent signaling pathway (1). MYDGF was found over-expressed in approximately two-thirds of Hepatocellular Carcinoma (HCC) tissues, and its expression was significantly positively correlated with that of alpha-fetoprotein (AFP) (3). In HCC, MYDGF could regulate cell proliferation through activating Akt/mitogen-activated protein kinase pathways (3). Human MYDGF shares 92% and 85% amino acid sequence identity to mouse and rat MYDGF, respectively. Intriguingly, virtually all homologs of MYDGF have a C-terminal putative ER retention sequence BXEL (B: Arg, His, or Lys; X: variable residue; E: Glu; L: Leu), which has the potential to retain human MYDGF and its homologs in the ER, whereas truncated MYDGF without BXEL is secreted from the cell (4). However, the functions of these different forms remain unclear.

  1. Korf-Klingebiel, M. et al. (2015) Nat. Med. 10:3778.
  2. Wang, P. et al. (2004) Cell. Mol. Life Sci. 61:2405
  3. Sunagozaka, H. et al. (2011) Int. J. Cancer 129:1576
  4. Bortnov, V. et al. (2018) J. Biol. Chem. 293:13166.
Long Name
Stromal Cell-derived Growth Factor SF20
Entrez Gene IDs
56005 (Human); 28106 (Mouse)
Alternate Names
C19orf10; chromosome 19 open reading frame 10; EUROIMAGE1875335; IL25; IL27; IL27w; interleukin 27 working designation; interleukin-25; Ly6elg; MYDGF; myeloid-derived growth factor; R33729_1; SF20; Stromal cell-derived growth factor SF20; UPF0556 protein C19orf10


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