Table 1.
Summary of the lipid interactions covered in this manuscript.
Membrane Protein | |||||||
---|---|---|---|---|---|---|---|
Respiratory Complexes | 2° Active Transporters | ATP-Dependent Pumps/Transporters | Channels | GPCRs | Other | ||
Lipid entity | Cholesterol | Activity regulation [8,9] | Activity and changes in conformation [10], Modulation of substrate binding affinity [11] | Channel inhibition [12] | Activation [13], Signalling [14,15], Stability [16,17], Allosteric regulation [18], Lower affinity ligand binding [17], Oligomerisation [19,20,21,22,23] | ||
PA | Activity [24] | Stabilisation [25] | |||||
PE | Dimer formation and function [26], Dimer formation [27], conformer stability [28] | Conformer stabilisation and channel desensitisation [29] | Agonist and antagonist binding affinities [30], Increase G protein coupling [31,32] | Protein assembly [33] | |||
PC | Dimerisation [34], β-arrestin interaction and function [35], Increase G protein coupling [31] | ||||||
PG | Oligomerisation and function [36] | Conformer stabilisation and channel desensitisation [37] | Increase G protein coupling [30,38], Active conformer stability [39], β-arrestin interaction and function [35], Decrease G protein coupling [31] | ||||
PS | Dimer formation [27], | Stabilisation [25], Dimerisation [34], Decrease G protein coupling [31] | |||||
PI | Dimer formation and function [26], Possible stabilisation [27] | ||||||
PtdIns(4,5)P2 | Possible dimer stabilisation [40,41], | Activation [42,43], Inactive conformer stability [44] | Active conformer stability [25,45], Increase G protein interaction [25], β-arrestin interaction and complex stability [46], Important for G protein recruitment [47] | ||||
Glycolipids and sphingolipids | Ligand binding [48,49], Signalling [48], Allostery [47] | ||||||
Cardiolipin | Oligomer stabilisation [50] | Oligomerisation [51], Allosteric regulation [52] | |||||
DHA and unsaturated tails | Active conformer stability [53,54], Increase G protein coupling [53], Partitioning to lipid rafts [55], Oligomerisation [34,56] | ||||||
Saturated tails | Dimerisation and function [57] |