2YST SOLUTION STRUCTURE OF THE THIRD CADHERIN DOMAIN FROM HUMAN PROTOCADHERIN 7 CELL ADHESION, BRAIN-HEART PROTOCADHERIN, BH-PCDH, BETA-SANDWICH, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI