the antigen-antibody complex between fabd44.2 , the lower affinity antibody , and hen egg-white lysozyme crystallizes in space group p2 ( 1 ) 2 ( 1 ) 2 ( 1 ) , with unit cell dimensions a = 99.7 a , b = 167.3 a , c = 84.7 a , consistent with the presence of two molecules of the complex in the asymmetric unit .
C0003313
antigen-antibody complex
C0003241
antibody