SMTL ID : 7e6t.1

Structural insights into the activation of human calcium-sensing receptor

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY 3.00 Å

Oligo State

homo-dimer

Ligands

2 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.1: 8 residues within 4Å: Chain A: R.47, R.50, W.51, H.394, L.395, R.396, I.397, S.398 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:R.396, A:I.397, A:S.398 Salt bridges: A:R.47, A:R.50 PO4.8: 8 residues within 4Å: Chain B: R.47, R.50, W.51, H.394, L.395, R.396, I.397, S.398 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:W.51, B:R.396, B:I.397, B:S.398 Salt bridges: B:R.47, B:R.50

6 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: S.151, I.168, P.169, D.171, Y.470 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:P.169 CA.3: 2 residues within 4Å: Chain A: D.215 Chain B: G.538 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.215 CA.4: 5 residues within 4Å: Chain A: T.81, N.83, A.125, T.126, G.127 No protein-ligand interaction detected (PLIP) CA.9: 4 residues within 4Å: Chain B: S.151, P.169, D.171, Y.470 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:Y.470 CA.10: 2 residues within 4Å: Chain A: G.538 Chain B: D.215 No protein-ligand interaction detected (PLIP) CA.11: 4 residues within 4Å: Chain B: T.81, N.83, A.125, T.126 1 PLIP interactions: 1 interactions with chain B Metal complexes: B:T.81

4 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.5: 5 residues within 4Å: Chain A: K.304, E.456, N.469, N.493, Y.495 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:Y.495 NAG.6: 5 residues within 4Å: Chain A: R.186, N.188, F.520, N.522, D.526 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.520 Hydrogen bonds: A:N.188, A:N.522 NAG.12: 3 residues within 4Å: Chain B: N.469, N.493, Y.495 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:Y.495 NAG.13: 4 residues within 4Å: Chain B: N.188, F.520, N.522, D.526 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:F.520 Hydrogen bonds: B:N.522

2 x TCR: CYCLOMETHYLTRYPTOPHAN(Non-covalent)

TCR.7: 9 residues within 4Å: Chain A: R.47, T.126, S.128, A.149, S.150, S.151, Y.199, E.278, A.279 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.151, A:S.151 TCR.14: 11 residues within 4Å: Chain B: R.47, T.126, G.127, S.128, A.149, S.150, S.151, Y.199, E.278, A.279, I.397 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:T.126, B:I.397 Hydrogen bonds: B:S.128, B:S.151, B:S.151

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, X. et al., Structural insights into the activation of human calcium-sensing receptor. Elife (2021)

Release Date

2021-09-22

Peptides

Extracellular calcium-sensing receptor: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Membrane

We predict this structure to be a membrane protein.
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Extracellular calcium-sensing receptor

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