Coagulation factor VII is synthesized in the liver and circulates in the plasma where it binds to tissue factor (TF) and is rapidly converted into VIIa. The resulting 1:1 complex of VIIa and TF initiates the coagulation pathway and also has important coagulation-independent functions such as angiogenesis. The predominant splicing variant of Factor VII in normal liver corresponds to the 444aa precursor. After cleavage of a signal peptide (residues 1-38), the mature chain can be further processed into the light chain (residues 39-190) and the heavy chain (residues 191-444).
Applications:
Suitable for use in ELISA, Immunoelectrophoresis and single and double radial immunodiffusion. Other applications not tested.
Recommended Dilution:
Immunoelectrophoresis: 2ml plasma or equivalent against 120ml antiserum
Double Radial Immunodiffusion: Use a rosette arrangement with 10ml antiserum in 3mm
diameter center well and 2ml plasma samples (neat and serially diluted) in 2mm diameter
peripheral wells.
Single Radial Immunodiffusion: 1% in the gel.
Optimal dilutions to be determined by the researcher.
Storage and Stability:
Lyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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