Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1XKN 1XKN: Crystal Structure of the Putative Peptidyl-arginine Deiminase from Chlorobium tepidum, NESG... putative peptidyl-arginine deiminaseCHLORIDE IONSODIUM ION peptidyl arginine deiminase