PDB
7TYH
Resolution
3.3 Å
Released
March 23, 2022
Receptor
CT
Class
B1
Species
Homo sapiens
Ligand
calcitonin (Human)
Function
Agonist
Reference
10.1126/SCIENCE.ABM9609

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Ligand Amino Acid Generic Number Segment Interaction Type
calcitonin (Human) Y41 N-term aromatic (edge-to-face)
calcitonin (Human) W79 N-term hydrophobic
calcitonin (Human) F99 N-term hydrophobic
calcitonin (Human) P100 N-term Van der Waals
calcitonin (Human) P100 N-term polar (hydrogen bond with backbone)
calcitonin (Human) D101 N-term polar (charge-assisted hydrogen bond)
calcitonin (Human) F102 N-term Van der Waals
calcitonin (Human) S129 N-term Van der Waals
calcitonin (Human) Y131 N-term Van der Waals
calcitonin (Human) Y131 N-term hydrophobic
calcitonin (Human) T132 N-term Van der Waals
calcitonin (Human) N135 N-term Van der Waals
calcitonin (Human) L142 1.33x33 TM1 Van der Waals
calcitonin (Human) L142 1.33x33 TM1 hydrophobic
calcitonin (Human) A145 1.36x36 TM1 polar (hydrogen bond with backbone)
calcitonin (Human) A145 1.36x36 TM1 Van der Waals
calcitonin (Human) Y146 1.37x37 TM1 polar (hydrogen bond)
calcitonin (Human) L148 1.39x39 TM1 Van der Waals
calcitonin (Human) L148 1.39x39 TM1 hydrophobic
calcitonin (Human) Y149 1.40x40 TM1 Van der Waals
calcitonin (Human) Y149 1.40x40 TM1 polar (hydrogen bond with backbone)
calcitonin (Human) I198 2.64x64 TM2 hydrophobic
calcitonin (Human) I198 2.64x64 TM2 Van der Waals
calcitonin (Human) H201 2.67x67 TM2 Van der Waals
calcitonin (Human) V206 ECL1 Van der Waals
calcitonin (Human) V206 ECL1 polar (hydrogen bond with backbone)
calcitonin (Human) P207 ECL1 Van der Waals
calcitonin (Human) P207 ECL1 hydrophobic
calcitonin (Human) G209 ECL1 Van der Waals
calcitonin (Human) G209 ECL1 polar (hydrogen bond with backbone)
calcitonin (Human) V212 ECL1 hydrophobic
calcitonin (Human) V212 ECL1 Van der Waals
calcitonin (Human) R213 ECL1 Van der Waals
calcitonin (Human) Y234 3.44x44 TM3 Van der Waals
calcitonin (Human) L291 45.52x52 ECL2 Van der Waals
calcitonin (Human) L291 45.52x52 ECL2 hydrophobic
calcitonin (Human) S292 ECL2 Van der Waals
calcitonin (Human) V293 ECL2 Van der Waals
calcitonin (Human) V293 ECL2 hydrophobic
calcitonin (Human) Y299 5.37x38 TM5 hydrophobic
calcitonin (Human) Y299 5.37x38 TM5 Van der Waals
calcitonin (Human) H302 5.40x40 TM5 Van der Waals
calcitonin (Human) H302 5.40x40 TM5 polar (hydrogen bond)
calcitonin (Human) M306 5.44x44 TM5 Van der Waals
calcitonin (Human) F356 6.53x53 TM6 polar (hydrogen bond with backbone)
calcitonin (Human) F356 6.53x53 TM6 Van der Waals
calcitonin (Human) F359 6.56x56 TM6 Van der Waals
calcitonin (Human) F359 6.56x56 TM6 polar (hydrogen bond with backbone)
calcitonin (Human) W361 ECL3 hydrophobic
calcitonin (Human) W361 ECL3 Van der Waals
calcitonin (Human) R362 ECL3 polar (hydrogen bond with backbone)
calcitonin (Human) R362 ECL3 Van der Waals
calcitonin (Human) Y372 7.38x37 TM7 Van der Waals
calcitonin (Human) H377 7.43x42 TM7 Van der Waals

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

GPCRdb(A)
GPCRdb(B)
CT receptor
TM1
1x29 1.33x33 L142
1x32 1.36x36 A145
1x33 1.37x37 Y146
1x35 1.39x39 L148
1x36 1.40x40 Y149
TM2
2x57 2.64x64 I198
2x60 2.67x67 H201
TM3
3x40 3.44x44 Y234
ECL2
45x52 45.52x52 L291
TM5
5x42 5.37x38 Y299
5x44 5.40x40 H302
5x48 5.44x44 M306
TM6
6x48 6.53x53 F356
6x51 6.56x56 F359
TM7
7x33 7.38x37 Y372
7x38 7.43x42 H377