PDB
8J21
Resolution
3.3 Å
Released
Jan. 24, 2024
Receptor
FFA3
Class
A
Species
Homo sapiens
Ligand
Function
butyric acid
Agonist
Reference
10.1038/S41422-023-00914-Z

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Ligand Amino Acid Generic Number Segment Interaction Type
butyric acid F96 3.33x33 TM3 hydrophobic
butyric acid Y100 3.37x37 TM3 hydrophobic
butyric acid C147 4.57x57 TM4 Van der Waals
butyric acid V150 4.60x60 TM4 hydrophobic
butyric acid R185 5.39x40 TM5 polar (charge-charge)
butyric acid R185 5.39x40 TM5 hydrophobic
butyric acid M188 5.42x43 TM5 hydrophobic
butyric acid Y241 6.51x51 TM6 polar (hydrogen bond)
butyric acid H245 6.55x55 TM6 polar (hydrogen bond)
butyric acid R258 7.35x34 TM7 polar (charge-charge)

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

GPCRdb(A)
GPCRdb(A)
FFA3 receptor
TM3
3x33 3.33x33 F96
3x37 3.37x37 Y100
TM4
4x57 4.57x57 C147
4x60 4.60x60 V150
TM5
5x40 5.39x40 R185
5x43 5.42x43 M188
TM6
6x51 6.51x51 Y241
6x55 6.55x55 H245
TM7
7x34 7.35x34 R258