The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Biological activityActivity, as determined by the dose-dependent proliferation of 4MBr-5 cells, is typically 50-300 ng/ml.
% SDS-PAGE. Purity is greater than 97% as determined by HPLC and SDS-PAGE. Endotoxin Level: <0.1 ng/µg.
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Preparation and Storage
Stability and Storage
Shipped at 4°C. Store at -20°C. Store under Desiccating conditions.
pH: 7.80 Constituents: Ammonium sulphate, 0.12% Tris
This product is an active protein and may elicit a biological response in vivo, handle with caution.
ReconstitutionReconstitute in sterile H2O to a concentration no less than 100 µg/ml. Reconstituted ab123838 should be stored at working aliquots at –20°C. Repeated freeze/thaw cycles will result in some loss of activity.
Fibroblast growth factor 22
FunctionMay be involved in hair development.
Sequence similaritiesBelongs to the heparin-binding growth factors family.