3KFL LIGASE, LEISHMANIA, PARASITE, AMINOACYL-TRNA SYNTHETASE, TRNA LIGASE, AARS, METRS, METHIONINE, TRANSLATION, ATP-BINDING, NUCLEOTIDE-BINDING, STRUCTURAL GENOMICS, MSGPP, MEDICAL STRUCTURAL GENOMICS OF PATHOGENIC PROTOZOA LEISHMANIA MAJOR METHIONYL-TRNA SYNTHETASE IN COMPLEX WITH METHIONYLADENYLATE AND PYROPHOSPHATE