PDB
Resolution
2.9 Å
Released
March 19, 2025
Receptor
Class
A
Species
Homo sapiens
Ligand
γ-MSH (Human)
Function
Agonist
Reference
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Ligand Amino Acid Generic Number Segment Interaction Type
γ-MSH (Human) F45 1.39x39 TM1 hydrophobic
γ-MSH (Human) E94 2.60x60 TM2 polar (charge-assisted hydrogen bond)
γ-MSH (Human) T95 2.61x61 TM2 polar (hydrogen bond)
γ-MSH (Human) T95 2.61x61 TM2 Van der Waals
γ-MSH (Human) M97 2.63x63 TM2 Van der Waals
γ-MSH (Human) M97 2.63x63 TM2 hydrophobic
γ-MSH (Human) I98 2.64x64 TM2 Van der Waals
γ-MSH (Human) I98 2.64x64 TM2 hydrophobic
γ-MSH (Human) D110 3.18x18 TM3 polar (charge-assisted hydrogen bond)
γ-MSH (Human) I113 3.21x21 TM3 Van der Waals
γ-MSH (Human) D117 3.25x25 TM3 polar (charge-assisted hydrogen bond)
γ-MSH (Human) N118 3.26x26 TM3 Van der Waals
γ-MSH (Human) N118 3.26x26 TM3 polar (hydrogen bond)
γ-MSH (Human) D121 3.29x29 TM3 polar (charge-assisted hydrogen bond)
γ-MSH (Human) I124 3.32x32 TM3 Van der Waals
γ-MSH (Human) I124 3.32x32 TM3 hydrophobic
γ-MSH (Human) F179 4.60x60 TM4 Van der Waals
γ-MSH (Human) I180 4.61x61 TM4 hydrophobic
γ-MSH (Human) I180 4.61x61 TM4 Van der Waals
γ-MSH (Human) E184 ECL2 polar (charge-assisted hydrogen bond)
γ-MSH (Human) I189 5.40x40 TM5 Van der Waals
γ-MSH (Human) I189 5.40x40 TM5 hydrophobic
γ-MSH (Human) L192 5.43x43 TM5 Van der Waals
γ-MSH (Human) L192 5.43x43 TM5 hydrophobic
γ-MSH (Human) F258 6.51x51 TM6 hydrophobic
γ-MSH (Human) F258 6.51x51 TM6 Van der Waals
γ-MSH (Human) H261 6.54x54 TM6 Van der Waals
γ-MSH (Human) H261 6.54x54 TM6 polar (hydrogen bond)
γ-MSH (Human) I265 ECL3 Van der Waals
γ-MSH (Human) I265 ECL3 hydrophobic
γ-MSH (Human) F281 7.35x34 TM7 hydrophobic
γ-MSH (Human) F281 7.35x34 TM7 Van der Waals
γ-MSH (Human) L285 7.39x38 TM7 Van der Waals
γ-MSH (Human) L285 7.39x38 TM7 hydrophobic

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

GPCRdb(A)
GPCRdb(A)
MC3 receptor
TM1
1x39 1.39x39 F45
TM2
2x60 2.60x60 E94
2x61 2.61x61 T95
2x63 2.63x63 M97
2x64 2.64x64 I98
TM3
3x18 3.18x18 D110
3x21 3.21x21 I113
3x25 3.25x25 D117
3x26 3.26x26 N118
3x29 3.29x29 D121
3x32 3.32x32 I124
TM4
4x60 4.60x60 F179
4x61 4.61x61 I180
TM5
5x40 5.40x40 I189
5x43 5.43x43 L192
TM6
6x51 6.51x51 F258
6x54 6.54x54 H261
TM7
7x34 7.35x34 F281
7x38 7.39x38 L285