Fig. 6

a The 3D structures of Bacillus licheniformis OF2 arginase enzymes by a) I-Tasser and b) SWISS-MODEL. b Ramachandran’s plot calculations on the 3D models of arginase of Bacillus licheniformis OF2 computed by the SWISS-MODEL web-server to show the favored regions for backbone dihedral angles against amino acid residues in protein structure a) General (No Proline or Glycine) b) Glycine Only c) Pre-Proline Only d) Proline only. c predicted ligand binding sites