_pdbx_exptl_crystal_cryo_treatment.crystal_id  4
 _pdbx_exptl_crystal_cryo_treatment.final_solution_details
 ;  25% (v/v) glycerol in precipitant solution
 ;
 _pdbx_exptl_crystal_cryo_treatment.soaking_details
 ;  A series of 1 min soaks beginning at 5% (v/v) glycerol in precipitant,
    transiting to 20% (v/v) glycerol, and finally to 25% glycerol
 ;
 _pdbx_exptl_crystal_cryo_treatment.cooling_details
 ;  Direct immersion in liquid nitrogen
 ;
 _pdbx_exptl_crystal_cryo_treatment.annealing_details   ?