PDB
9LLE
Resolution
2.9 Å
Released
March 4, 2026
Receptor
D1
Class
A
Species
Homo sapiens
Ligands
GEM targeting TM1/2/4
dopamine
Function
Allosteric agonist
Agonist
Reference
—
GEM targeting TM1/2/4 dopamine

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Ligand Amino Acid Generic Number Segment Interaction Type
GEM targeting TM1/2/4 L38 1.47x47 TM1 hydrophobic
GEM targeting TM1/2/4 I49 1.58x58 TM1 hydrophobic
GEM targeting TM1/2/4 F61 2.41x41 TM2 aromatic (face-to-face)
GEM targeting TM1/2/4 V68 2.48x48 TM2 hydrophobic
GEM targeting TM1/2/4 L71 2.51x51 TM2 hydrophobic
GEM targeting TM1/2/4 L72 2.52x52 TM2 hydrophobic
GEM targeting TM1/2/4 V75 2.55x55 TM2 hydrophobic
GEM targeting TM1/2/4 L76 2.56x551 TM2 hydrophobic
GEM targeting TM1/2/4 P79 2.59x58 TM2 hydrophobic
GEM targeting TM1/2/4 W80 2.60x59 TM2 Van der Waals
GEM targeting TM1/2/4 W80 2.60x59 TM2 polar (hydrogen bond)
GEM targeting TM1/2/4 V83 2.63x62 TM2 hydrophobic
GEM targeting TM1/2/4 V83 2.63x62 TM2 Van der Waals
GEM targeting TM1/2/4 I86 2.66x65 TM2 Van der Waals
GEM targeting TM1/2/4 I86 2.66x65 TM2 hydrophobic
GEM targeting TM1/2/4 A87 2.67x66 TM2 Van der Waals
GEM targeting TM1/2/4 F89 23.49x49 ECL1 hydrophobic
GEM targeting TM1/2/4 F89 23.49x49 ECL1 Van der Waals
GEM targeting TM1/2/4 P91 23.51x51 ECL1 Van der Waals
GEM targeting TM1/2/4 P91 23.51x51 ECL1 hydrophobic
GEM targeting TM1/2/4 F92 23.52x52 ECL1 Van der Waals
GEM targeting TM1/2/4 F92 23.52x52 ECL1 hydrophobic
dopamine D103 3.32x32 TM3 polar (charge-assisted hydrogen bond)
dopamine I104 3.33x33 TM3 Van der Waals
dopamine I104 3.33x33 TM3 hydrophobic
dopamine S107 3.36x36 TM3 Van der Waals
dopamine T108 3.37x37 TM3 polar (hydrogen bond)
GEM targeting TM1/2/4 K138 4.40x40 TM4 Van der Waals
GEM targeting TM1/2/4 F141 4.43x43 TM4 Van der Waals
GEM targeting TM1/2/4 F141 4.43x43 TM4 hydrophobic
dopamine S198 5.42x43 TM5 polar (hydrogen bond)
dopamine S198 5.42x43 TM5 polar (hydrogen bond with backbone)
dopamine S199 5.43x44 TM5 polar (hydrogen bond with backbone)
dopamine S199 5.43x44 TM5 Van der Waals
dopamine S202 5.46x461 TM5 polar (hydrogen bond)
dopamine W285 6.48x48 TM6 Van der Waals
dopamine F288 6.51x51 TM6 Van der Waals
dopamine F288 6.51x51 TM6 aromatic (edge-to-face)
dopamine F289 6.52x52 TM6 Van der Waals
dopamine F289 6.52x52 TM6 hydrophobic
dopamine N292 6.55x55 TM6 Van der Waals
dopamine W321 7.43x42 TM7 polar (hydrogen bond)

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

GPCRdb(A)
GPCRdb(A)
D1 receptor
TM1
1x47 1.47x47 L38
1x58 1.58x58 I49
TM2
2x41 2.41x41 F61
2x48 2.48x48 V68
2x51 2.51x51 L71
2x52 2.52x52 L72
2x55 2.55x55 V75
2x551 2.56x551 L76
2x58 2.59x58 P79
2x59 2.60x59 W80
2x62 2.63x62 V83
2x65 2.66x65 I86
2x66 2.67x66 A87
ECL1
23x49 23.49x49 F89
23x51 23.51x51 P91
23x52 23.52x52 F92
TM3
3x32 3.32x32 D103
3x33 3.33x33 I104
3x36 3.36x36 S107
3x37 3.37x37 T108
TM4
4x40 4.40x40 K138
4x43 4.43x43 F141
TM5
5x43 5.42x43 S198
5x44 5.43x44 S199
5x461 5.46x461 S202
TM6
6x48 6.48x48 W285
6x51 6.51x51 F288
6x52 6.52x52 F289
6x55 6.55x55 N292
TM7
7x42 7.43x42 W321