Skip to main content

Table 6 Details of binding affinity and interaction of some selected compounds with α-glucosidase

From: UPLC–ESI–QTOF–MS profiling, antioxidant, antidiabetic, antibacterial, anti-inflammatory, antiproliferative activities and in silico molecular docking analysis of Barleria strigosa

Sr. No

Compound

Binding affinity (kcal/mole)

No. of H. Bonds

Interacting residues

1

Acarbose (standard)

−7.1

7

PRO A:433, MET A:435, LYS A:436, ASP A:379, ASP A:381, VAL A:383, ASP A:382, ASP A:59, ASN A:58, ASN A:61, ARG A:17, ILE A:27, TRP A:434

2

(3S,7E,9S)-9-Hydroxy-4,7-megastigmadien-3-one 9-glucoside

−8.1

4

GLU A:119, LYS A:118, GLU A:157, ARG A:123, TRP A:128, ASP A:124, TYR A:126, ILE A:204, ASN A:171, TRP A:172, LYS A:206, GLU A:173, ILE A:127, ALA A:208, PHE A:210, HIS A:129

3

(5a,8b,9b)-5,9-Epoxy-3,6-megastigma

−6.1

N/A

GLY A:274, TRP A:6, ASN A:277, ALA A:247, ILE A:251, PHE A:246, LYS A:242, THR A:253, ASN A:245, PHE A:276

4

Ixocarpalactone A

−7.9

2

GLU A:283, GLY A:286, GLY A:259, PRO A:233, LEU A:219, PRO A:216, PRO A:214, VAL A:222, GLU A:226, PHE A:225, MET A:229, ASN A:258, PHE A:282, LEU A:287

5

Plumerubroside

−7.7

3

ASN A:227, ASN A:275, PHE A:276, LYS A:242, GLY A:274, GLU A:271, LYS A:7, TRP A:6, ALA A:247, TYR A:249, ASP A:250, ILE A:251, MET A:252, PHE A:246

6

Isoferulic acid

−5.9

3

ASN A:316, GLY A:317, TRP A:318, ALA A:270, TRP A:6, VAL A:269, ASN A:277, PHE A:276, ASN A:275, GLY A:274, LYS A:242, GLU A:271, LYS A:7