SMTL ID : 9ayh.1

Cryo-EM structure of human Cav3.2 with TTA-A2

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

monomer

Ligands

1 x 01: 2-(4-cyclopropylphenyl)-N-{(1R)-1-[5-(2,2,2-trifluoroethoxy)pyridin-2-yl]ethyl}acetamide

01.1: 16 residues within 4Å: Chain A: L.420, I.446, F.451, N.455, F.770, V.1309, L.1310, F.1313, F.1519, F.1565, S.1568, T.1569, Q.1611, L.1614, V.1615 Ligands: JL3.10 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.770, A:V.1309, A:L.1310, A:F.1313, A:F.1313, A:L.1614, A:L.1614, A:V.1615 Hydrogen bonds: A:N.455, A:Q.1611

2 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)

NAG.2: 3 residues within 4Å: Chain A: D.306, Y.386, N.388 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Y.386 Hydrogen bonds: A:N.388 NAG.3: 1 residues within 4Å: Chain A: N.1229 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.1229

1 x CA: CALCIUM ION(Non-covalent)

CA.4: 3 residues within 4Å: Chain A: E.421, E.737, D.1267 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.421, A:E.737, A:D.1267

1 x LPE: 1-O-OCTADECYL-SN-GLYCERO-3-PHOSPHOCHOLINE(Non-covalent)

LPE.5: 12 residues within 4Å: Chain A: F.436, Y.437, F.439, I.443, M.1520, N.1556, G.1558, M.1559, F.1561, L.1562, F.1565 Ligands: Y01.6 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:F.439, A:I.443, A:F.1561, A:F.1561, A:L.1562, A:F.1565, A:F.1565 Hydrogen bonds: A:N.1556 pi-Cation interactions: A:F.436

4 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.6: 9 residues within 4Å: Chain A: V.1072, A.1075, L.1076, R.1078, D.1080, F.1524, N.1556, F.1557 Ligands: LPE.5 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:V.1072, A:A.1075, A:L.1076, A:F.1524, A:F.1557 Salt bridges: A:R.1078 Y01.8: 7 residues within 4Å: Chain A: N.406, I.407, I.1395, S.1398, M.1399, H.1401 Ligands: JL3.7 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.1395, A:H.1401 Y01.12: 6 residues within 4Å: Chain A: L.571, G.574, V.575, Y.577, I.1205, L.1253 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.571, A:V.575, A:Y.577, A:Y.577, A:I.1205, A:L.1253 Y01.13: 10 residues within 4Å: Chain A: F.1204, G.1254, Q.1255, L.1257, M.1258, S.1593, P.1596, P.1600, V.1604 Ligands: JL3.10 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.1204, A:M.1258, A:P.1596, A:P.1600, A:V.1604, A:V.1604

4 x JL3: [(2~{R})-3-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-2-pentadecanoyloxy-propyl] pentadecanoate(Non-covalent)

JL3.7: 14 residues within 4Å: Chain A: F.284, N.406, I.407, G.408, Y.409, W.411, I.412, S.751, S.752, W.753, L.756, V.759 Ligands: Y01.8, JL3.9 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:F.284, A:F.284, A:F.284, A:I.407, A:W.411, A:W.411, A:I.412, A:I.412, A:W.753, A:W.753, A:W.753, A:L.756, A:V.759 Hydrogen bonds: A:S.751, A:S.752, A:S.752 JL3.9: 8 residues within 4Å: Chain A: L.699, S.749, T.750, S.751, W.753, L.756, Y.757 Ligands: JL3.7 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.699, A:L.756 JL3.10: 12 residues within 4Å: Chain A: N.455, L.1190, S.1264, V.1309, M.1312, V.1607, L.1608, Q.1611, F.1612, V.1615 Ligands: 01.1, Y01.13 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:L.1190, A:V.1607, A:L.1608, A:Q.1611, A:F.1612, A:F.1612 Hydrogen bonds: A:N.455 Salt bridges: A:K.1266 JL3.11: 4 residues within 4Å: Chain A: T.648, L.1214, K.1218, N.1291 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:T.648 Hydrogen bonds: A:K.1218, A:K.1218, A:N.1291

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, J. et al., Structural basis for human Ca v 3.2 inhibition by selective antagonists. Cell Res. (2024)

Release Date

2024-04-24

Peptides

Voltage-dependent T-type calcium channel subunit alpha-1H: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Membrane

We predict this structure to be a membrane protein.
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Voltage-dependent T-type calcium channel subunit alpha-1H

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