PDB
8SZH
Resolution
3.1 Å
Released
Feb. 7, 2024
Receptor
CaS
Class
C
Species
Homo sapiens
Ligands
Function
cinacalcet
PAM
D-tryptophan
Co-agonist
spermine (A:908)
Ago-PAM
spermine (A:909)
Ago-PAM
Calcium
Agonist
Reference
10.1038/S41586-024-07055-2
cinacalcet D-tryptophan spermine (A:908) spermine (A:909) Calcium

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Ligand Amino Acid Generic Number Segment Interaction Type
D-tryptophan R66 N-term Van der Waals
D-tryptophan W70 N-term Van der Waals
D-tryptophan T145 N-term hydrophobic
D-tryptophan G146 N-term Van der Waals
D-tryptophan S147 N-term polar (hydrogen bond)
D-tryptophan A168 N-term hydrophobic
D-tryptophan A168 N-term polar (hydrogen bond with backbone)
D-tryptophan S169 N-term Van der Waals
D-tryptophan S170 N-term polar (hydrogen bond with backbone)
D-tryptophan S170 N-term polar (hydrogen bond)
D-tryptophan Y218 N-term aromatic (pi-cation)
Calcium D234 N-term metal coordination
Calcium D234 N-term polar (charge-charge)
spermine (A:908) D238 N-term polar (charge-charge)
spermine (A:908) F239 N-term hydrophobic
spermine (A:908) S240 N-term polar (hydrogen bond with backbone)
spermine (A:908) E241 N-term polar (charge-charge)
spermine (A:908) V258 N-term Van der Waals
D-tryptophan E297 N-term polar (hydrogen bond)
D-tryptophan E297 N-term polar (charge-charge)
D-tryptophan A298 N-term Van der Waals
cinacalcet F668 2.56x56 TM2 Van der Waals
cinacalcet Q681 3.33x33 TM3 hydrophobic
cinacalcet F684 3.36x36 TM3 hydrophobic
cinacalcet F684 3.36x36 TM3 aromatic (edge-to-face)
cinacalcet G685 3.37x37 TM3 Van der Waals
spermine (A:909) E757 ECL2 polar (charge-charge)
spermine (A:909) E757 ECL2 polar (hydrogen bond)
spermine (A:909) E759 ECL2 polar (charge-charge)
cinacalcet L776 5.43x43 TM5 Van der Waals
cinacalcet I777 5.44x44 TM5 Van der Waals
cinacalcet T780 5.47x47 TM5 Van der Waals
cinacalcet F814 6.46x46 TM6 hydrophobic
cinacalcet W818 6.50x50 TM6 aromatic (edge-to-face)
cinacalcet W818 6.50x50 TM6 hydrophobic
cinacalcet I822 6.54x54 TM6 hydrophobic
cinacalcet Y825 6.57x57 TM6 aromatic (edge-to-face)
cinacalcet Y825 6.57x57 TM6 hydrophobic
spermine (A:909) Y829 ECL3 Van der Waals
cinacalcet E837 7.32x33 TM7 polar (hydrogen bond)
cinacalcet E837 7.32x33 TM7 polar (charge-charge)
cinacalcet I841 7.36x37 TM7 hydrophobic

NGL is a WebGL based 3D viewer powered by MMTF.

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NGL is a WebGL based 3D viewer powered by MMTF.

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NGL is a WebGL based 3D viewer powered by MMTF.

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NGL is a WebGL based 3D viewer powered by MMTF.

Download PDB file

NGL is a WebGL based 3D viewer powered by MMTF.

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

GPCRdb(A)
GPCRdb(C)
CaS receptor
TM2
2x60 2.56x56 F668
TM3
3x29 3.33x33 Q681
3x32 3.36x36 F684
3x33 3.37x37 G685
TM5
5x43 5.43x43 L776
5x44 5.44x44 I777
5x47 5.47x47 T780
TM6
6x44 6.46x46 F814
6x48 6.50x50 W818
6x52 6.54x54 I822
6x55 6.57x57 Y825
TM7
7x38 7.32x33 E837
7x42 7.36x37 I841