co-precipitation experiments show that antigenic determinants recognized by these two antibodies reside on the same molecular species , termed mac-2 , mac-2 , an antigen of 32,000 mr , is synthesized by and expressed on the surface of thioglycollate-elicited macrophages as shown by [ 35s ] -methionine and 125i labeling .
C0003316
antigenic
C0003320
antigen