PDB
9K07
Resolution
2.8 Å
Released
Aug. 27, 2025
Receptor
BB3
Class
A
Species
Homo sapiens
Ligand
Function
DSO-5a
Agonist
Reference
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Ligand Amino Acid Generic Number Segment Interaction Type
DSO-5a L96 2.53x53 TM2 hydrophobic
DSO-5a C100 2.57x56 TM2 Van der Waals
DSO-5a R127 3.32x32 TM3 aromatic (pi-cation)
DSO-5a L128 3.33x33 TM3 hydrophobic
DSO-5a V131 3.36x36 TM3 hydrophobic
DSO-5a T204 45.51x51 ECL2 Van der Waals
DSO-5a S205 45.52x52 ECL2 polar (hydrogen bond with backbone)
DSO-5a H217 5.38x39 TM5 Van der Waals
DSO-5a C221 5.42x43 TM5 Van der Waals
DSO-5a F225 5.46x461 TM5 hydrophobic
DSO-5a W284 6.48x48 TM6 aromatic (edge-to-face)
DSO-5a N287 6.51x51 TM6 Van der Waals
DSO-5a H288 6.52x52 TM6 Van der Waals
DSO-5a Y291 6.55x55 TM6 hydrophobic
DSO-5a R316 7.39x38 TM7 polar (hydrogen bond)
DSO-5a A319 7.42x41 TM7 Van der Waals
DSO-5a F320 7.43x42 TM7 Van der Waals

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

GPCRdb(A)
GPCRdb(A)
BB3 receptor
TM2
2x53 2.53x53 L96
2x56 2.57x56 C100
TM3
3x32 3.32x32 R127
3x33 3.33x33 L128
3x36 3.36x36 V131
ECL2
45x51 45.51x51 T204
45x52 45.52x52 S205
TM5
5x39 5.38x39 H217
5x43 5.42x43 C221
5x461 5.46x461 F225
TM6
6x48 6.48x48 W284
6x51 6.51x51 N287
6x52 6.52x52 H288
6x55 6.55x55 Y291
TM7
7x38 7.39x38 R316
7x41 7.42x41 A319
7x42 7.43x42 F320