Structures of an extradiol catechol dioxygenase – C23O64, from 3-nitrotoluene degrading Diaphorobacter sp. strain DS2 in substrate-free, substrate-bound and substrate analog-bound... oleh Keerti Mishra, Chetan Kumar Arya, Ramaswamy Subramanian, Gurunath Ramanathan, Ioannis Pavlidis