Research Article

Bioassay Directed Isolation and Biological Evaluation of Compounds Isolated from Rubus fairholmianus Gard.

Table 5

Docking score and H-bond interaction of ligands with COX1 protein (1EQH).

Ligand scoreNumber of
H-bonds
Distance
(Å)
Protein atomLigand atom

Indomethacin−6.6732.230
2.271
1.986
ARG 374: (H) HH22
ARG 374: (H) HH21
ARG 374: (H) HE
O
O
O

Aspirin−5.6552.066
2.043
2.199
1.857
1.781
ARG 374: (H) HH22
ASN 375: (H) H
ARG 374: (H) HE
ARG 374: (H) HH12
ARG 374: (H) HH21
O
O
O
O
O

Diclofenac−3.7732.238
2.017
1.824
ARG 374: (H) HH22
ASN 375: (H) H
ARG 374: (H) HH22
O
O
O

Paracetamol−3.4122.139
1.936
ARG 374: (H) HH21
GLY225: (O) O
O
H

Morphine−3.3611.984ARG 374: (H) HH22O

1-(2-Hydroxyphenyl)-4-methylpentan-1-one−5.2821.964
1.734
ASN 375: (H) H
ASN 375: (O) O
O
H

2-[(3-Methylbutoxy)carbonyl] benzoic acid−4.432.106
1.896
1.979
ARG 374: (H) HH21
ARG 374: (H) HH12
ASN 375: (H) H
O
O
O

2-(5-Methylhexyl) benzoic acid−3.4312.044ASN 375: (H) HO

3-(Iminomethyl)-2,4-dimethylphenol−3.2322.226
1.700
ASN 375: (H) H
ASN 375: (O) O
O
O

Glide score, number of H-bond interactions, distance of H-bond interaction, and involved protein atom and ligand atom in interaction of isolated and standard drugs with COX1 protein obtained from docking studies.