CRYSTAL STRUCTURE OF ESCHERICHIA COLI GENX IN COMPLEX WITH ELONGATION FACTOR P 3A5Z LIGASE, AMINOACYL-TRNA SYNTHETASE PARALOG, TRANSLATION, TRNA, LYSYL-TRNA SYNTHETASE, ELONGATION FACTOR, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI, AMINOACYL-TRNA SYNTHETASE