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. Author manuscript; available in PMC: 2020 Jan 10.
Published in final edited form as: Expert Opin Biol Ther. 2013 Jan 7;13(5):657–671. doi: 10.1517/14712598.2013.761969

Figure 2. Excellent properties that engineered single human CD4 domain D1 could exhibit.

Figure 2.

The X-ray crystal structures of four-domain (D1–4), two-domain (D1D2) and single-domain (D1) sCD4 were adapted from Protein Data Bank (PDB) entry 1WIO. Note that the D1 structure was obtained as part of the D1D2; D1 has not been crystallized yet.