• Qk002 Recombinant zebrafish bFGF 2 protein is a 17 kDa biologically active mature domain of zebrafish fibroblast growth factor 2 protein, expressed in E. coli and purified to homogeneity. Our recombinant bFGF 2 (zebrafish) is used by the Cambridge Stem Cell Institute, UK  and historically by many of the stem cell groups based at the University of Cambridge to support the maintenance of human stem cell cultures.  Summary: Qk002 mature domain of zebrafish Danio rerio FGF2, basic FGF (residues 2-154, Uniprot: B3DGE3) expressed in E.coli and purified to homogeneity as described in Ludwig et al. (2). Form: protein is provided in PBS without carrier protein at 2 mg/ml. Molecular mass: ~17 kDa
  • Qk027 Recombinant human bFGF 154 aa protein is a highly bioactive long-form variant of the mature domain of human fibroblast growth factor 2 protein, comprising both its core structured region and N-terminal extensionOur recombinant bFGF 2 154 aa has been optimised for high-purity expression in E. coli making it ideal for the reliable maintenance of ESCs, as well as the proliferation and differentiation of iPSCs and MSCs.  Summary: Qk027 mature domain of human FGF2 comprising longer structured 154 aa region (residues 135-288, Uniprot: P09038) expressed in E.coli and purified to homogeneity Form: protein is provided frozen in PBS (carrier protein-free) at 1 mg/ml.  Animal-free.  Molecular mass: ~17 kDa
  • Qk025 Recombinant human bFGF 2 145 aa protein is a highly bioactive short-form variant of the mature domain of human fibroblast growth factor 2 protein. Our recombinant bFGF 2 145 aa has been extensively optimised for production at high purity in E. coli and purified to homogeneity, providing a reliable growth factor for the maintenance of ESCs, as well as the proliferation and differentiation of iPSCs and MSCs. Summary: Qk025 mature domain of human FGF2, basic FGF (145aa form comprising residues 144-288, Uniprot: P09038) expressed in E.coli and purified to homogeneity Molecular mass: ~17 kDa Form: protein is provided frozen in PBS (carrier protein-free) at 1 mg/ml
  • Qk017 Recombinant human GDF15 protein is a 25 kDa disulphide-linked dimer composed of the mature domain of human growth differentiation factor 15 protein. Our recombinant GDF15 protein is expressed in E. coli and extensively tested to ensure no trace contamination of TGF is present, which can cause misleading experimental results.  Animal-derived component and carrier protein-free
  • Recombinant human FGF10 protein

    £160.00£1,200.00
    Qk003 Recombinant FGF 10 protein is a 17 kDa non-glycosylated, bioactive domain of human fibroblast growth factor 10. Our recombinant FGF 10 has been optimised for expression in E. coli and purified to homogeneity ready for use in ESC/iPSC maintenance and differentiation, and for the study of epithelial to mesenchymal transition (EMT )in development and tumor metastasis.  Summary: Mature domain of human FGF10 (residues 64-208, Uniprot: O15520) expressed in E. coli and purified to homogeneity. Mature protein is a non-glycosylated protein with a molecular mass of 17 kDa Molecular mass: ~17 kDa Form: protein is provided frozen in PBS (carrier protein-free).  Protein concentration is 1 mg/ml.
  • Recombinant human FGF4 protein

    £160.00£1,200.00
    Qk004 Recombinant human FGF 4 protein is a 14 kDa non-glycosylated, bioactive domain of human fibroblast growth factor 4, which has been optimised for expression in E. coliOur recombinant human FGF 4 is ideal for applications such as the proliferation and differentiation of embryonic and tissue stem cells, as well as the derivation of organoids from iPSCs and PSCs.  Summary: Mature domain of human FGF4 (residues 79-206, Uniprot: P08620) expressed in E. coli and purified to homogeneity. Mature protein is a non-glycosylated protein. Molecular mass: ~14 kDa Form: protein is provided frozen in PBS (carrier protein-free) at 1 mg/ml
  • Recombinant human HGF protein

    £160.00£1,200.00
    Qk013 Recombinant human hepatocyte growth factor (HGF) NK1 has been optimised and extensively tested by our scientists for high-purity production in E. coli. Animal and carrier-protein free, our recombinant HGF provides a highly pure bioactive protein for promoting hepatocyte differentiation from human ESC and iPSCs.  Summary: Human HGF NK1 (Uniprot: P14210) expressed in E.coli and purified to homogeneity. Form: Protein is provided lyophilized and carrier protein-free.  Animal-derived component free. We take the quality of our products very seriously. All our proteins are produced in our Cambridge, UK laboratories by our scientists and we provide comprehensive quality data for every batch.
  • Qk015 Recombinant human Gremlin 1 protein has been optimised by our experts for exceptionally high-purity expression in E. coli without affecting its bioactivity. Produced in a dedicated ADCF laboratory, our recombinant human Gremlin 1 protein offers a highly pure animal-free substitute for Noggin in chemically defined media for many ESC, iPSC and organoid culture systems. 
  • Qk011 Recombinant human EGF protein is a 6.3 kDa biologically active domain of human epidermal growth factor. Our recombinant EGF protein is expressed in E. coli and extensively tested to ensure no animal protein contamination is presentmaking it ideal for chemically defined iPSC, ESC and organoid culture media.  Animal-derived component and carrier protein-free
  • Qk007 Recombinant human BMP2 protein is a 26 kDa disulphide-linkebioactive dimer comprised of the mature domain of human BMP2 protein. Our recombinant human BMP2 protein has been optimized for expression in E. coli and purified to homogeneity, offering a highly reliable and cost-effective growth factor for pluripotent stem cell differentiation. Animal-derived component and carrier-protein free
  • Qk032 Recombinant human R-spondin 3 protein is a 17 kDa bioactive fragment of human R-spondin 3 protein comprised of the two cysteine-rich furin-like domains, which are essential for its activity in stem cell and organoid culture. Our recombinant R-spondin 3 has been purified to homogeneity and is animal-free to prevent undesireeffects from animal protein contaminants when adding to chemically defined culture media.
  • Qk006 Recombinant human R-spondin-1 protein is a highly pure, 13 kDa bioactive fragment of human R-spondin 1 composed of the cysteine-rich furin-like domains, which are essential its activity in stem cell and organoid culture. Our recombinant human R-spondin-1 protein has been optimized for expression in E. coli and is not glycosylated to ensure production of homogeneous protein and enhanced comparability between batches. Animal-derived component and carrier-protein free. 
  • Qk005 Recombinant human Activin A Plus protein is a 24 kDa biologically active variant of the mature domain of human Activin A proteinOur recombinant Activin A Plus has been extensively optimised for manufacture at extremely high yields without affecting its bioactivity to support large-scale stem cell culture applications.  Summary: optimized mature domain of human activin A (Uniprot: P08476) - particularly suitable for bulk and scale-up stem cell culture applications Molecular mass: ~24 kDa (for the dimer) Form: protein is provided lyophilized from a fully volatile solution. Animal-derived component and carrier protein-free.
  • Qk001 Recombinant human Activin A protein is a 26 kDa disulphide-linked dimer composed of the mature domain of human Activin A protein. Our recombinant Activin A protein has been extensively validated and benchmarked against other suppliers for its reproducibility in stem cell culture. Animal-derived component and carrier protein-free.