Table 10 Active site interacting residues, distance (Å) and binding affinity (Kcal/mol) of phytochemical constituents of O. grossii with 6QME.

From: Phytochemical analysis and biological activities of essential oils extracted from Origanum grossii and Thymus pallidus: in vitro and in silico analysis

Interaction of EOs from O. grossii with 6QME

Residues

Types of interaction

Bond distance (Å)

Binding affinity (Kcal/mole)

p-cymene

ALA366

Hydrophobic

3.586

 − 5.2

ɤ-terpinene

TYR572

Hydrophobic

3.625

 − 5.2

TYR334

Hydrophobic

4.655

TYR334

Hydrophobic

4.338

ALA556

Hydrophobic

5.320

Cis-sabinene

ALA366

Hydrophobic

4.748

 − 5.1

Eucalyptol

ALA366

Hydrophobic

5.327

 − 5.8

α-campholenal

GLY464

Hydrogen bond

2.564

 − 5.5

ALA366

Hydrophobic

4.372

Isoborneol

ILE416

Hydrogen bond

2.753

 − 6.1

VAL463

Hydrogen bond

2.592

GLY417

Hydrogen bond

3.561

ALA366

Hydrophobic

5.239

Borneol

ILE559

Hydrogen Bond

2.177

 − 6.1

ALA366

Hydrophobic

4.791

isopulegone

ALA556

Hydrophobic

3.987

 − 5.7

ARG415

Hydrophobic

3.951

Myrtenyl acetate

ALA366

Hydrophobic

4.030

 − 6.6

Carvacrol

VAL418

Hydrogen bond

3.170

 − 5.9

VAL465

Hydrogen bond

2.389

ALA366

Hydrophobic

3.759

Caryophyllene

ALA366

Hydrophobic

4.179

 − 7.5

ɤ- Maaliene

ALA366

Hydrophobic

4.556

 − 7.4

ALA366

Hydrophobic

4.727

Caryophyllene oxide

ALA366

Hydrophobic

4.9411

 − 7.9

Valencene

ALA366

Hydrophobic

3.831

 − 7.2

co-crystallized ligand J6Q

SER508

Hydrogen bond

2.560

 − 8.3

SER602

Hydrogen bond

2.152

ALA556

Hydrophobic

3.779

TYR525

Hydrophobic

3.769

TYR525

Hydrophobic

4.388

TYR572

Hydrophobic

5.408

ALA556

Hydrophobic

4.137