Hello...we like your designs, but there is a technical flaw in them which is likely going to change the entire concept...
Here is a very accurate rendering of an antibody:
http://mabtechnologies.com/images/stories/antibody.gif. Please note that it attaches to the antigen at the end of each of the end segments of the "Y" shape, rather than in the middle of them.
Please modify #87 and #95 per this information.
Thanks!