| 1JL4: reference: Crystal structure of the human CD4 N-terminal two-domain fragment complexed to a class II MHC molecule., Wang JH, Meijers R, Xiong Y, Liu JH, Sakihama T, Zhang R, Joachimiak A, Reinherz EL, Proc Natl Acad Sci U S A 2001 Sep 11;98(19):10799-804. PMID: 11535811 |
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