PDB
7SIL
Resolution
2.7 Å
Released
Jan. 19, 2022
Receptor
CaS
Class
C
Species
Homo sapiens
Ligands
Function
CYCLOMETHYLTRYPTOPHAN
Co-agonist
tecalcet
PAM
Calcium
Agonist
Reference
10.1073/PNAS.2115849118
CYCLOMETHYLTRYPTOPHAN tecalcet Calcium

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Ligand Amino Acid Generic Number Segment Interaction Type
CYCLOMETHYLTRYPTOPHAN R66 N-term Van der Waals
CYCLOMETHYLTRYPTOPHAN W70 N-term aromatic (edge-to-face)
CYCLOMETHYLTRYPTOPHAN W70 N-term hydrophobic
CYCLOMETHYLTRYPTOPHAN T145 N-term hydrophobic
CYCLOMETHYLTRYPTOPHAN G146 N-term Van der Waals
CYCLOMETHYLTRYPTOPHAN S147 N-term polar (hydrogen bond with backbone)
CYCLOMETHYLTRYPTOPHAN S147 N-term polar (hydrogen bond)
CYCLOMETHYLTRYPTOPHAN A168 N-term polar (hydrogen bond with backbone)
CYCLOMETHYLTRYPTOPHAN S169 N-term Van der Waals
CYCLOMETHYLTRYPTOPHAN S170 N-term polar (hydrogen bond)
CYCLOMETHYLTRYPTOPHAN S170 N-term polar (hydrogen bond with backbone)
CYCLOMETHYLTRYPTOPHAN I187 N-term Van der Waals
CYCLOMETHYLTRYPTOPHAN Y218 N-term Van der Waals
CYCLOMETHYLTRYPTOPHAN E297 N-term polar (hydrogen bond)
CYCLOMETHYLTRYPTOPHAN E297 N-term polar (charge-charge)
CYCLOMETHYLTRYPTOPHAN A298 N-term hydrophobic
CYCLOMETHYLTRYPTOPHAN I416 N-term Van der Waals
Calcium G557 N-term metal coordination
tecalcet F668 2.56x56 TM2 hydrophobic
tecalcet Q681 3.33x33 TM3 Van der Waals
tecalcet F684 3.36x36 TM3 hydrophobic
tecalcet F684 3.36x36 TM3 aromatic (edge-to-face)
tecalcet G685 3.37x37 TM3 Van der Waals
tecalcet L773 5.40x40 TM5 hydrophobic
tecalcet L776 5.43x43 TM5 hydrophobic
tecalcet I777 5.44x44 TM5 hydrophobic
tecalcet T780 5.47x47 TM5 hydrophobic
tecalcet C781 5.48x48 TM5 Van der Waals
tecalcet F814 6.46x46 TM6 Van der Waals
tecalcet W818 6.50x50 TM6 hydrophobic
tecalcet W818 6.50x50 TM6 aromatic (edge-to-face)
tecalcet Y825 6.57x57 TM6 aromatic (pi-cation)
tecalcet E837 7.32x33 TM7 polar (charge-charge)

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.

Download PDB file

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
5x40 5.40x40 L773
5x43 5.43x43 L776
5x44 5.44x44 I777
5x47 5.47x47 T780
5x48 5.48x48 C781
TM6
6x44 6.46x46 F814
6x48 6.50x50 W818
6x55 6.57x57 Y825
TM7
7x38 7.32x33 E837