Research Article

QSAR Modeling and Molecular Docking Analysis of Some Active Compounds against Mycobacterium tuberculosis Receptor (Mtb CYP121)

Table 11

Binding affinity, hydrogen bond, and hydrophobic bond of ligands 7, 8, 13, and 14 with M. tuberculosis target (Mtb CYP121).

LigandBinding affinity (BA)
Kcal/mol
Target Hydrogen bond Hydrophobic interaction
Amino acidBond length (Å)Amino acid

7−10.3Mtb CYP121GLN3852.16131VAL83, PRO285, VAL78, VAL78, LA167
8−14.6Mtb CYP121ALA337
HIS343
ALA233
2.82894
2.34089
2.47314
PHE280, ALA233, CYS345, MET86, ALA233, PRO346
13−11.2Mtb CYP121ASN74
GLN385
2.34218
3.0328
VAL78, ALA233, PRO285, ALA233, PRO346
ALA167
14−11.2Mtb CYP121ASN74
GLN385
2.36479
3.03627
LEU164, VAL228, VAL78, ALA233,PRO285
ALA233, PRO346, ALA167, ALA233