Cloning, expression, purification, crystallization and preliminary X-ray diffraction analysis of DapA (Rv2753c) from Mycobacterium tuberculosis

Dihydrodipicolinate synthase from Mycobacterium tuberculosis (DHDPS, DapA, Rv2753c) has been cloned, heterologously expressed in Escherichia coli, purified using standard chromatographic techniques and crystallized in a monoclinic crystal form. Preliminary diffraction data analysis suggests the presence of two independent tetramers in the asymmetric unit in almost the same relative orientation.