PDB
Resolution
2.6 Å
Released
Jan. 28, 2026
Receptor
Class
O2
Species
Homo sapiens
Ligands
Cholesterol
alpha-Hexylcinnamaldehyde
Function
PAM
Agonist
Reference
—
Cholesterol alpha-Hexylcinnamaldehyde

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Ligand Amino Acid Generic Number Segment Interaction Type
Cholesterol W70 2.52x52 TM2 hydrophobic
alpha-Hexylcinnamaldehyde Y71 2.53x53 TM2 hydrophobic
Cholesterol V74 2.56x56 TM2 hydrophobic
Cholesterol F101 3.31x31 TM3 hydrophobic
alpha-Hexylcinnamaldehyde F102 3.32x32 TM3 hydrophobic
alpha-Hexylcinnamaldehyde I103 3.33x33 TM3 hydrophobic
alpha-Hexylcinnamaldehyde C107 3.37x37 TM3 Van der Waals
alpha-Hexylcinnamaldehyde C107 3.37x37 TM3 polar (hydrogen bond)
alpha-Hexylcinnamaldehyde F110 3.40x40 TM3 hydrophobic
alpha-Hexylcinnamaldehyde F110 3.40x40 TM3 Van der Waals
alpha-Hexylcinnamaldehyde I153 4.56x56 TM4 Van der Waals
alpha-Hexylcinnamaldehyde P157 4.60x60 TM4 Van der Waals
alpha-Hexylcinnamaldehyde I179 45.52x52 ECL2 hydrophobic
alpha-Hexylcinnamaldehyde I179 45.52x52 ECL2 Van der Waals
alpha-Hexylcinnamaldehyde D197 5.39x39 TM5 Van der Waals
alpha-Hexylcinnamaldehyde A201 5.43x43 TM5 hydrophobic
alpha-Hexylcinnamaldehyde A201 5.43x43 TM5 Van der Waals
alpha-Hexylcinnamaldehyde T204 5.46x46 TM5 Van der Waals
alpha-Hexylcinnamaldehyde L205 5.47x47 TM5 Van der Waals
alpha-Hexylcinnamaldehyde F249 6.47x47 TM6 Van der Waals
alpha-Hexylcinnamaldehyde F249 6.47x47 TM6 hydrophobic
alpha-Hexylcinnamaldehyde C253 6.51x51 TM6 Van der Waals
alpha-Hexylcinnamaldehyde Y257 6.55x55 TM6 hydrophobic
alpha-Hexylcinnamaldehyde Y257 6.55x55 TM6 Van der Waals
alpha-Hexylcinnamaldehyde Y276 7.41x40 TM7 Van der Waals
alpha-Hexylcinnamaldehyde Y276 7.41x40 TM7 hydrophobic

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Snake plot — Download: PNG | SVG
ICL1 S H L K ICL1ECL1 D K S I ECL1ICL2 P L H Y T T I M ICL2ECL2 Q L D F C D S N V I D H F T C D S A P L L Q I S C T D ECL2ICL3 I P ICL3ECL3 K T ECL3N-term M K N R T S V T D F I L L G L T D N-termC-term K H C-term N P Q L Q V V I F S F L F L T Y V L S V T G N L T I I S L T L L D T P M Y F F L R N F S L E I S F T S V C N P R F L I S I L T G S Y N A C A A Q L F F F I F L G S T E F F L L A S M S Y D C Y V A I C K S D R I C Y Q L I I S S W L A G F L V I F P P L A M G L T S T L E L M S F I L A L F T L I S T L I L V I L S Y T Y I I R T I L R S A Q Q R K K A F S T C S S H V I V V S I S Y G S C I F M Y V S A K E G V A L T K G V A I L N T S V A P M L N P F I Y T L R N Q Q F K D I S H V K Q A V L R K K K K
Helix box plot — Download: PNG | SVG L N G T V S L V Y T L F L F S F I V V Q 1 R N F S L E I S F T S V C N P R F L I 2 S A L L F F E T S G L F I F F F L Q A A 3 C Y Q L I I S S W L A G F L V I F P P L 4 Y S L I V L I L T S I L T F L A L I F S 5 S S H V I V V S I S Y G S C I F M Y V 6 F P N L M P A V S T N L I A V G K T L 7

GPCRdb(A)
GPCRdb(A)
OR6C76
TM2
2x52 2.52x52 S69
2x53 2.53x53 F70
2x56 2.56x56 V73
TM3
3x31 3.31x31 F100
3x32 3.32x32 F101
3x33 3.33x33 I102
3x37 3.37x37 S106
3x40 3.40x40 F109
TM4
4x56 4.56x56 V152
4x60 4.60x60 P156
ECL2
45x52 45.52x52 S178
TM5
5x39 5.39x39 S196
5x43 5.43x43 A200
5x46 5.46x46 T203
5x47 5.47x47 L204
TM6
6x47 6.47x47 S248
6x51 6.51x51 C252
6x55 6.55x55 Y256
TM7
7x40 7.41x40 N275