LIGASE, D-ALANINE-D-ALANINE LIGASE, PEPTIDOGLYCAN BIOSYNTHESIS, CELL SHAPE, CELL WALL BIOGENESIS/DEGRADATION, PEPTIDOGLYCAN SYNTHESIS, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI 2ZDH CRYSTAL STRUCTURE OF D-ALANINE:D-ALANINE LIGASE WITH ADP AND D-ALANINE FROM THERMUS THERMOPHIUS HB8