<;P>;PROBLEM TO BE SOLVED: To identify a function-unknown novel secretor protein molecule in order to clarify the molecular mechanism bearing a series of intermolecular interactions. <;P>;SOLUTION: The controller for the growth or movement of nerve cells contains a protein composed of an amino acid sequence equal to or substantially equal to the amino acid sequence represented by sequence No.2 or its partial peptide as an active ingredient. <;P>;COPYRIGHT: (C)2007,JPO&INPIT