PDB
Resolution
2.8 Å
Released
March 4, 2026
Receptor
Class
A
Species
Danio rerio
Ligand
histamine
Function
Agonist
Reference
—

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Ligand Amino Acid Generic Number Segment Interaction Type
histamine D112 3.32x32 TM3 polar (charge-assisted hydrogen bond)
histamine L113 3.33x33 TM3 hydrophobic
histamine L113 3.33x33 TM3 Van der Waals
histamine T116 3.36x36 TM3 polar (hydrogen bond)
histamine D202 5.42x43 TM5 polar (charge-assisted hydrogen bond)
histamine T206 5.46x461 TM5 Van der Waals
histamine W269 6.48x48 TM6 Van der Waals
histamine F272 6.51x51 TM6 aromatic (edge-to-face)
histamine F272 6.51x51 TM6 Van der Waals
histamine F273 6.52x52 TM6 aromatic (edge-to-face)
histamine F273 6.52x52 TM6 Van der Waals

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

GPCRdb(A)
GPCRdb(A)
taar13d
TM3
3x32 3.32x32 D112
3x33 3.33x33 L113
3x36 3.36x36 T116
TM5
5x43 5.42x43 D202
5x461 5.46x461 T206
TM6
6x48 6.48x48 W269
6x51 6.51x51 F272
6x52 6.52x52 F273