PROBLEM TO BE SOLVED: To make it possible to crystallize a protein from a protein solution under conditions in which the concentration of a protein is low to thereby make it possible to search and screen crystallization conditions.;SOLUTION: The protein crystal formation method is a method for forming a protein crystal from liquid drops of a protein solution comprising the step (A) of forming a crystal nucleus by accelerating the vapor diffusion speed of liquid drops of the protein solution, wherein the acceleration of the vapor diffusion speed is performed by using an adsorbent for the solvent contained in the liquid droplets of the protein solution.;COPYRIGHT: (C)2007,JPO&INPIT
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