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Table 3 Homodimer interface interaction energies.

From: Palmitoylation and membrane cholesterol stabilize μ-opioid receptor homodimerization and G protein coupling

Interaction energies

Coulombic

VDW

Total

  

kcal/mol

kcal/mol

kcal/mol

Protomer A, B

   
 

T4.38

-0.01

-0.03

-0.04

 

P4.39

0.08

-0.02

0.06

 

R4.40

0.30

-0.31

-0.01

 

N4.41

-0.32

-1.06

-1.38

 

I4.44

-0.02

-3.56

-3.58

 

I4.45

0.09

-1.22

-1.13

 

V4.47

-0.06

-0.24

-0.31

 

C4.48

0.11

-1.49

-1.38

 

W4.50

0.03

-0.02

0.01

 

I4.51

0.18

-2.77

-2.58

 

L4.52

0.03

-0.11

-0.08

 

S4.54

0.03

-0.06

-0.03

 

A4.55

0.21

-2.11

-1.90

 

I4.56

0.11

-2.42

-2.32

 

G4.57

-0.03

0.00

-0.04

 

P4.59

0.01

-0.07

-0.06

Subtotal

 

0.74

-15.50

-14.76

Cholesterol A, Protomer B

0.07

-2.52

-2.44

Cholesterol B, Protomer A

0.10

-2.49

-2.39

Subtotal

 

0.17

-5.01

-4.83

Total

 

0.91

-20.51

-19.59

  1. Residues in bold are residue positions shown to be involved in the TMH4 homodimer inactive state interface of the dopamine D2 receptor [36].