Table 1. Docking Study of Selected Amino Acids by NiO NPs.

amino acid residues	hydrogen bond (Å)
613 VAL, 92 GLN, 199 THR	2.247175, 2.347442, 2.319003
121 VAL, 120 LEU, 199 THR	2.260512, 2.3715
92 GLN, 91 ILE	2.2343
119 HIS, 117 GLU	2.42946
118 LEV, 197 SER	2.24859
143 VAL, 142 ALA	2.247178