PDB
9I52
Resolution
2.8 Å
Released
July 16, 2025
Receptor
D1
Class
A
Species
Homo sapiens
Ligand
19B
Function
Agonist
Reference
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Ligand Amino Acid Generic Number Segment Interaction Type
19B W99 3.28x28 TM3 aromatic (edge-to-face)
19B V100 3.29x29 TM3 hydrophobic
19B I104 3.33x33 TM3 hydrophobic
19B C186 45.50x50 ECL2 polar (hydrogen bond with backbone)
19B C186 45.50x50 ECL2 Van der Waals
19B D187 45.51x51 ECL2 Van der Waals
19B S188 45.52x52 ECL2 polar (hydrogen bond with backbone)
19B S188 45.52x52 ECL2 Van der Waals
19B L190 ECL2 hydrophobic
19B L190 ECL2 Van der Waals
19B S198 5.42x43 TM5 Van der Waals
19B F288 6.51x51 TM6 aromatic (edge-to-face)
19B F288 6.51x51 TM6 Van der Waals
19B F289 6.52x52 TM6 Van der Waals
19B F289 6.52x52 TM6 hydrophobic
19B N292 6.55x55 TM6 Van der Waals
19B V317 7.39x38 TM7 Van der Waals
19B V317 7.39x38 TM7 hydrophobic

19B

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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
TM3
3x28 3.28x28 W99
3x29 3.29x29 V100
3x33 3.33x33 I104
ECL2
45x50 45.50x50 C186
45x51 45.51x51 D187
45x52 45.52x52 S188
TM5
5x43 5.42x43 S198
TM6
6x51 6.51x51 F288
6x52 6.52x52 F289
6x55 6.55x55 N292
TM7
7x38 7.39x38 V317