Human immunoglobulin G FC region protein and production thereof.

摘要

A monomeric human immunoglobulin G Fc region protein having 224 amino acid residues and a dimer thereof; gene fragment coding for the protein; plasmids containing the gene fragment; microorganisms transformed with the plasmid; and a process for production of the above mentioned human immunoglobulin G Fc region protein comprising culturing the transformed microorganism and recovering the protein from the culture.