Method for producing antithrombin composition

摘要

The provision of an antithrombin composition having a desired α-form content rate or &bgr;-form content rate is required. The invention provides a process for producing an antithrombin composition having a desired α-form content rate or &bgr;-form content rate which is prepared by contacting an antithrombin-containing aqueous solution with a Cellufine Sulfate chromatography carrier.