OR6A2 - Golf

GPCR CLASS (FAMILY)

Class O2 (Olfactory/extra-nasal 2)

GPCR SPECIES

Homo sapiens

GPCR PREFERRED CHAIN

R

G PROTEIN (FAMILY)

Gs

G PROTEIN SPECIES

Homo sapiens

PDB CODE

RESOLUTION

3.3 Å

REFERENCE

PUBLICATION DATE

Jan. 28, 2026

3D VIEW

NGL is a WebGL based 3D viewer powered by MMTF.

LIGAND INTERACTIONS

LIGANDS

(E)-dec-2-enal - Agonist pubchem

PHYSIOLOGICAL LIGANDS

No physiological ligands available



GPCR - G protein interface interactions



The biflare plot is a modified version of a flareplot, where lines are drawn between an inner concentric circle (Gα residues) and an outer concentric circle (GPCR residues) depicting the interface interactions.
Different interaction types are shown with different line types (aromatic - solid, hydrophobic - dashed, ionic - long dashed, polar - dotted, Van der Waals - dash-dot).
The interactive features include filtering on interaction type, segments, residues and backbone or sidechain interactions.


Interaction definitions:

Residue numbering:

GPCR-G protein backbone (bb) or sidechain (sc):





Structures

Sequence Color

Gα, Gβ, Gγ, GPCR
Interaction cut-off: strict (stick), loose (line)

NGL is a WebGL based 3D viewer powered by MMTF.

Interaction
type
GPCR
Segment

AA

Number
Generic
number
Gα
segment

AA

Number
Generic
number
Hydrophobic TM6 C 239 6x37 G.H5 L 245 G.H5.25
Van-der-waals TM6 C 239 6x37 G.H5 L 245 G.H5.25
Polar TM3 C 125 3x55 G.H5 R 232 G.H5.12
Hydrophobic TM6 A 235 6x33 G.H5 L 245 G.H5.25
Van-der-waals TM6 A 235 6x33 G.H5 L 245 G.H5.25
Van-der-waals TM6 K 234 6x32 G.H5 E 244 G.H5.24
Hydrophobic TM3 R 120 3x50 G.H5 Y 243 G.H5.23
Van-der-waals TM3 R 120 3x50 G.H5 Y 243 G.H5.23
Hydrophobic ICL2 L 128 34x51 G.S3 F 81 G.S3.03
Hydrophobic ICL2 L 128 34x51 G.H5 I 235 G.H5.15
Van-der-waals ICL2 L 128 34x51 G.H5 I 235 G.H5.15
Hydrophobic TM6 T 238 6x36 G.H5 L 245 G.H5.25
Polar ICL2 H 129 34x52 G.s2s3 D 77 G.s2s3.01
Van-der-waals ICL2 H 129 34x52 G.s2s3 D 77 G.s2s3.01
Van-der-waals H8 E 294 8x49 G.H5 Q 242 G.H5.22
Hydrophobic TM2 M 57 2x39 G.H5 Q 242 G.H5.22
Van-der-waals H8 E 294 8x49 G.H5 K 241 G.H5.21
Hydrophobic ICL2 P 127 34x50 G.H5 Q 236 G.H5.16
Hydrophobic ICL2 P 131 34x54 G.hns1 A 32 G.hns1.03
Hydrophobic ICL3 I 226 - G.H5 L 246 G.H5.26
Polar H8 K 293 8x48 G.H5 E 244 G.H5.24
Van-der-waals H8 K 293 8x48 G.H5 E 244 G.H5.24
Polar TM3 D 119 3x49 G.H5 Y 243 G.H5.23
Van-der-waals TM3 D 119 3x49 G.H5 Y 243 G.H5.23
Hydrophobic ICL2 L 128 34x51 G.S3 V 79 G.S3.01
Aromatic ICL2 Y 130 34x53 G.H5 H 239 G.H5.19
Hydrophobic ICL2 Y 130 34x53 G.H5 H 239 G.H5.19
Hydrophobic TM5 I 223 5x65 G.H5 L 245 G.H5.25
Van-der-waals TM5 I 223 5x65 G.H5 L 245 G.H5.25
Hydrophobic TM6 K 234 6x32 G.H5 L 246 G.H5.26
Hydrophobic TM5 T 222 5x64 G.H5 Q 236 G.H5.16
Van-der-waals TM5 T 222 5x64 G.H5 Q 236 G.H5.16
Hydrophobic ICL2 L 128 34x51 G.H5 R 232 G.H5.12
Polar TM6 T 238 6x36 G.H5 E 244 G.H5.24
Hydrophobic TM6 T 238 6x36 G.H5 E 244 G.H5.24
Van-der-waals TM6 T 238 6x36 G.H5 E 244 G.H5.24
Hydrophobic TM6 G 231 6x29 G.H5 L 246 G.H5.26
Van-der-waals TM6 G 231 6x29 G.H5 L 246 G.H5.26
Hydrophobic TM5 I 219 5x61 G.H5 L 245 G.H5.25
Hydrophobic TM2 M 57 2x39 G.H5 Y 243 G.H5.23
Van-der-waals TM2 M 57 2x39 G.H5 Y 243 G.H5.23
Hydrophobic TM6 A 235 6x33 G.H5 L 246 G.H5.26
Hydrophobic ICL2 P 127 34x50 G.H5 R 232 G.H5.12
Polar ICL2 L 128 34x51 G.S1 H 34 G.S1.02
Hydrophobic ICL2 L 128 34x51 G.S1 H 34 G.S1.02
Van-der-waals ICL2 L 128 34x51 G.S1 H 34 G.S1.02
Hydrophobic H8 E 294 8x49 G.H5 E 244 G.H5.24
Van-der-waals H8 E 294 8x49 G.H5 E 244 G.H5.24
Polar H8 N 292 8x47 G.H5 E 244 G.H5.24
Hydrophobic H8 N 292 8x47 G.H5 E 244 G.H5.24
Van-der-waals H8 N 292 8x47 G.H5 E 244 G.H5.24
Hydrophobic ICL2 P 127 34x50 G.H5 I 235 G.H5.15
Hydrophobic TM3 I 124 3x54 G.H5 L 240 G.H5.20
Van-der-waals TM3 I 124 3x54 G.H5 L 240 G.H5.20
Hydrophobic ICL2 L 128 34x51 G.H5 F 228 G.H5.08
Van-der-waals ICL2 L 128 34x51 G.H5 F 228 G.H5.08
Hydrophobic TM3 I 124 3x54 G.H5 Y 243 G.H5.23
Polar TM3 I 124 3x54 G.H5 Q 236 G.H5.16
Hydrophobic TM3 I 124 3x54 G.H5 Q 236 G.H5.16
Hydrophobic ICL2 L 128 34x51 G.H5 C 231 G.H5.11
Hydrophobic TM3 I 124 3x54 G.H5 H 239 G.H5.19
Hydrophobic ICL2 P 127 34x50 G.H5 H 239 G.H5.19
Van-der-waals ICL2 P 127 34x50 G.H5 H 239 G.H5.19
Polar ICL2 Y 130 34x53 G.H5 Y 243 G.H5.23
Van-der-waals ICL2 Y 130 34x53 G.H5 Y 243 G.H5.23
Hydrophobic TM3 A 123 3x53 G.H5 Y 243 G.H5.23
Van-der-waals TM3 A 123 3x53 G.H5 Y 243 G.H5.23
Hydrophobic ICL2 H 129 34x52 G.S3 V 79 G.S3.01
Van-der-waals ICL2 H 129 34x52 G.S3 V 79 G.S3.01
Polar TM3 A 123 3x53 G.H5 H 239 G.H5.19
Hydrophobic TM3 A 123 3x53 G.H5 H 239 G.H5.19
Van-der-waals TM3 A 123 3x53 G.H5 H 239 G.H5.19