| 3S4S: reference: Affinity maturation of human CD4 by yeast surface display and crystal structure of a CD4-HLA-DR1 complex., Wang XX, Li Y, Yin Y, Mo M, Wang Q, Gao W, Wang L, Mariuzza RA, Proc Natl Acad Sci U S A. 2011 Sep 7. PMID: 21900604 |
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