SMTL ID : 8xlr.1

Cryo-EM structure of Ca2+-bound TMEM16A in complex with Tamsulosin

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

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

NAG.1: 3 residues within 4Å: Chain A: N.813, S.815, D.816 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.815 NAG.2: 1 residues within 4Å: Chain A: N.806 No protein-ligand interaction detected (PLIP) NAG.3: 1 residues within 4Å: Chain A: N.798 No protein-ligand interaction detected (PLIP) NAG.4: 2 residues within 4Å: Chain A: N.375, K.390 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.375, A:K.390 NAG.35: 3 residues within 4Å: Chain B: N.813, S.815, D.816 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.815 NAG.36: 1 residues within 4Å: Chain B: N.806 No protein-ligand interaction detected (PLIP) NAG.37: 1 residues within 4Å: Chain B: N.798 No protein-ligand interaction detected (PLIP) NAG.38: 2 residues within 4Å: Chain B: N.375, K.390 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.375, B:K.390

50 x C14: TETRADECANE(Non-covalent)(Non-functional Binders)

C14.5: 2 residues within 4Å: Chain A: F.857 Ligands: C14.8 Ligand excluded by PLIP C14.6: 2 residues within 4Å: Chain A: F.777 Ligands: JGX.31 Ligand excluded by PLIP C14.7: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP C14.8: 1 residues within 4Å: Ligands: C14.5 Ligand excluded by PLIP C14.9: 3 residues within 4Å: Chain A: T.594, F.597, F.602 Ligand excluded by PLIP C14.10: 1 residues within 4Å: Chain A: R.515 Ligand excluded by PLIP C14.11: 1 residues within 4Å: Chain A: N.533 Ligand excluded by PLIP C14.12: 2 residues within 4Å: Chain A: V.536, L.643 Ligand excluded by PLIP C14.13: 3 residues within 4Å: Chain A: I.351, V.352, F.411 Ligand excluded by PLIP C14.14: 3 residues within 4Å: Chain A: F.411, V.414, F.785 Ligand excluded by PLIP C14.15: 3 residues within 4Å: Chain A: Y.793, F.871, L.874 Ligand excluded by PLIP C14.16: 3 residues within 4Å: Chain A: R.605, F.606, G.608 Ligand excluded by PLIP C14.17: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP C14.18: 1 residues within 4Å: Chain A: M.794 Ligand excluded by PLIP C14.19: 3 residues within 4Å: Chain A: H.426, V.882 Ligands: C14.20 Ligand excluded by PLIP C14.20: 5 residues within 4Å: Chain A: F.415, L.418, T.422, H.426 Ligands: C14.19 Ligand excluded by PLIP C14.21: 2 residues within 4Å: Chain A: V.885 Ligands: C14.22 Ligand excluded by PLIP C14.22: 2 residues within 4Å: Chain B: M.500 Ligands: C14.21 Ligand excluded by PLIP C14.23: 2 residues within 4Å: Chain A: M.500 Ligands: HEX.34 Ligand excluded by PLIP C14.24: 1 residues within 4Å: Chain A: K.313 Ligand excluded by PLIP C14.25: 3 residues within 4Å: Chain A: L.647, N.651, I.655 Ligand excluded by PLIP C14.26: 1 residues within 4Å: Chain A: R.399 Ligand excluded by PLIP C14.27: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP C14.28: 3 residues within 4Å: Chain A: I.551, E.555, F.653 Ligand excluded by PLIP C14.33: 1 residues within 4Å: Chain A: G.766 Ligand excluded by PLIP C14.39: 2 residues within 4Å: Chain B: F.857 Ligands: C14.43 Ligand excluded by PLIP C14.40: 2 residues within 4Å: Chain B: F.777 Ligands: JGX.66 Ligand excluded by PLIP C14.41: 1 residues within 4Å: Chain B: G.766 Ligand excluded by PLIP C14.42: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP C14.43: 1 residues within 4Å: Ligands: C14.39 Ligand excluded by PLIP C14.44: 3 residues within 4Å: Chain B: T.594, F.597, F.602 Ligand excluded by PLIP C14.45: 1 residues within 4Å: Chain B: R.515 Ligand excluded by PLIP C14.46: 1 residues within 4Å: Chain B: N.533 Ligand excluded by PLIP C14.47: 2 residues within 4Å: Chain B: V.536, L.643 Ligand excluded by PLIP C14.48: 3 residues within 4Å: Chain B: I.351, V.352, F.411 Ligand excluded by PLIP C14.49: 3 residues within 4Å: Chain B: F.411, V.414, F.785 Ligand excluded by PLIP C14.50: 3 residues within 4Å: Chain B: Y.793, F.871, L.874 Ligand excluded by PLIP C14.51: 3 residues within 4Å: Chain B: R.605, F.606, G.608 Ligand excluded by PLIP C14.52: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP C14.53: 1 residues within 4Å: Chain B: M.794 Ligand excluded by PLIP C14.54: 3 residues within 4Å: Chain B: H.426, V.882 Ligands: C14.55 Ligand excluded by PLIP C14.55: 5 residues within 4Å: Chain B: F.415, L.418, T.422, H.426 Ligands: C14.54 Ligand excluded by PLIP C14.56: 2 residues within 4Å: Chain B: V.885 Ligands: C14.57 Ligand excluded by PLIP C14.57: 2 residues within 4Å: Chain A: M.500 Ligands: C14.56 Ligand excluded by PLIP C14.58: 2 residues within 4Å: Chain B: M.500 Ligands: HEX.32 Ligand excluded by PLIP C14.59: 1 residues within 4Å: Chain B: K.313 Ligand excluded by PLIP C14.60: 3 residues within 4Å: Chain B: L.647, N.651, I.655 Ligand excluded by PLIP C14.61: 1 residues within 4Å: Chain B: R.399 Ligand excluded by PLIP C14.62: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP C14.63: 3 residues within 4Å: Chain B: I.551, E.555, F.653 Ligand excluded by PLIP

4 x CA: CALCIUM ION(Non-covalent)

CA.29: 5 residues within 4Å: Chain A: E.654, E.702, E.705, E.734, D.738 No protein-ligand interaction detected (PLIP) CA.30: 5 residues within 4Å: Chain A: N.650, N.651, E.654, E.705, E.734 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.654, A:E.705, A:E.734 CA.64: 5 residues within 4Å: Chain B: E.654, E.702, E.705, E.734, D.738 No protein-ligand interaction detected (PLIP) CA.65: 5 residues within 4Å: Chain B: N.650, N.651, E.654, E.705, E.734 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:E.654, B:E.705, B:E.734

2 x JGX: Tamsulosin(Non-covalent)

JGX.31: 12 residues within 4Å: Chain A: L.381, R.605, V.607, G.608, R.609, P.610, Y.613, E.624, Y.838, K.839, D.840 Ligands: C14.6 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:K.839 Hydrogen bonds: A:Y.613, A:E.624 JGX.66: 12 residues within 4Å: Chain B: L.381, R.605, V.607, G.608, R.609, P.610, Y.613, E.624, Y.838, K.839, D.840 Ligands: C14.40 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:K.839 Hydrogen bonds: B:Y.613, B:E.624

2 x HEX: HEXANE(Non-covalent)

HEX.32: 2 residues within 4Å: Chain A: W.884 Ligands: C14.58 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:W.884, A:W.884 HEX.34: 2 residues within 4Å: Chain B: W.884 Ligands: C14.23 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:W.884, B:W.884

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H.L. et al., Tamsulosin inhibits the release of Chloride ion through wedging into a novel allosteric site of TMEM16A. To Be Published

Release Date

2024-12-18

Peptides

Anoctamin-1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Membrane

We predict this structure to be a membrane protein.
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Anoctamin-1

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