Once three CD4 receptors are secured by the three gp120 proteins, they expose sites that are recognized by a host co-receptor, and then a needle-like structure emerges from the stem regions of the ...

Nor were the changes in protein structure particularly shocking or surprising ... of the transgenic amylase inhibitor in peas induces a CD4 + T-helper cell type 2 (Th2) inflammatory response ...

The binding of gp120 was enhanced by a soluble form of the other HIV-1 receptor, CD4, but did not require additional cellular proteins ... preservation of native structure. This property allows ...