... proteases from a tropical plant, Ervatamia coronaria Raka Ghosh, Sibani Chakraborty, Chandana Chakrabarti, Jiban Kanti Dattagupta and Sampa BiswasCrystallography and Molecular Biology Division, Saha Institute ... S, Sundd M, Jagan-nadham MV & Dattagupta JK (1999) Crystallization and preliminary X-ray analysis of ervatamin B and C,two thiol proteases from Ervatamia coronaria. ActaCrystallogr D 55, ... Biswas S, Chakrabarti C, Sundd M,Jagannadham MV & Dattagupta JK (2004) Structural basis of the unusual stability and substrate specificity of ervatamin C, a plant cysteine protease from Ervata-mia...