3.4.22.43 cathepsin V in complex with clitocypin, vapor diffusion method, using 0.4 M Li2SO4, 12% (w/v) polyethylene glycol 800, 20% (v/v) glycerol 709133 3.4.22.43 molecular modeling of complex with fragment p41 of major histocompatibility complex class II-associated invariant chain 698753 3.4.22.43 space group P6422, crystal structure at 1.6 A resolution 137272