Cellular prognosis in cancer of the cervix.
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Biomedical subjects
Publications and source records attributed to R Graham.
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Factor Xa, with a cellulose-binding domain (CBD) fused to the C-terminus of the heavy chain (FXa-CBD), is active in solution and when immobilized on cellulose. A second derivative of factor Xa in which a hexahistidine tail is fused to the C-terminus of the heavy chain (FXa-H6) also retains activity when immobilized, in this case on Ni(2+)-NTA agarose. The stabilities and activities of of FXa-CBD and FXa-H6 immobilized on cellulose and Ni(2+)-NTA agarose, respectively, are similar. Immobilized factor Xa derivatives can be used to remove affinity tags from appropriate fusion proteins without contaminating the desired product with factor Xa.