SMTL ID : 8t56.1

Structure of mechanically activated ion channel OSCA1.2 in peptidiscs

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-8-mer

Ligands

2 x Y01: CHOLESTEROL HEMISUCCINATE(Non-covalent)

Y01.1: 11 residues within 4Å: Chain A: R.100, W.103, L.106, K.107, A.599, Y.602 Chain C: L.35, W.36 Chain D: A.2, F.5 Ligands: CLR.25 11 PLIP interactions: 7 interactions with chain A, 2 interactions with chain D, 2 interactions with chain C Hydrophobic interactions: A:W.103, A:W.103, A:L.106, A:A.599, A:Y.602, D:A.2, D:F.5, C:L.35, C:W.36 Salt bridges: A:R.100, A:K.107 Y01.13: 11 residues within 4Å: Chain B: R.100, W.103, L.106, K.107, A.599, Y.602 Chain G: L.35, W.36 Chain H: A.2, F.5 Ligands: CLR.31 11 PLIP interactions: 2 interactions with chain H, 7 interactions with chain B, 2 interactions with chain G Hydrophobic interactions: H:A.2, H:F.5, B:W.103, B:W.103, B:L.106, B:A.599, B:Y.602, G:L.35, G:W.36 Salt bridges: B:R.100, B:K.107

26 x PLM: PALMITIC ACID(Non-covalent)

PLM.2: 4 residues within 4Å: Chain A: I.13, V.424, F.428, L.436 Ligand excluded by PLIP PLM.3: 3 residues within 4Å: Chain A: A.381, F.388, F.451 Ligand excluded by PLIP PLM.4: 6 residues within 4Å: Chain A: R.374, F.384, F.388, F.451 Chain I: L.35, W.36 Ligand excluded by PLIP PLM.5: 6 residues within 4Å: Chain A: T.372, R.375, H.379, F.383, F.384 Ligands: PLM.22 Ligand excluded by PLIP PLM.6: 7 residues within 4Å: Chain A: H.379, F.382, F.383, T.386, F.387, R.463, F.466 Ligand excluded by PLIP PLM.7: 6 residues within 4Å: Chain A: F.466, Y.469, V.474, L.478, R.630 Ligands: PLM.8 Ligand excluded by PLIP PLM.8: 7 residues within 4Å: Chain A: G.629, I.637, L.640, L.641, I.666, H.669 Ligands: PLM.7 Ligand excluded by PLIP PLM.9: 4 residues within 4Å: Chain A: I.23, I.24, F.33, H.542 Ligand excluded by PLIP PLM.10: 4 residues within 4Å: Chain A: V.663, F.671 Ligands: PLM.17, PLM.30 Ligand excluded by PLIP PLM.11: 6 residues within 4Å: Chain A: W.117 Chain D: V.9 Chain E: F.1 Ligands: CLR.25, CLR.26, CLR.29 Ligand excluded by PLIP PLM.14: 4 residues within 4Å: Chain B: I.13, V.424, F.428, L.436 Ligand excluded by PLIP PLM.15: 3 residues within 4Å: Chain B: A.381, F.388, F.451 Ligand excluded by PLIP PLM.16: 6 residues within 4Å: Chain B: R.374, F.384, F.388, F.451 Chain E: L.35, W.36 Ligand excluded by PLIP PLM.17: 6 residues within 4Å: Chain B: T.372, R.375, H.379, F.383, F.384 Ligands: PLM.10 Ligand excluded by PLIP PLM.18: 7 residues within 4Å: Chain B: H.379, F.382, F.383, T.386, F.387, R.463, F.466 Ligand excluded by PLIP PLM.19: 6 residues within 4Å: Chain B: F.466, Y.469, V.474, L.478, R.630 Ligands: PLM.20 Ligand excluded by PLIP PLM.20: 7 residues within 4Å: Chain B: G.629, I.637, L.640, L.641, I.666, H.669 Ligands: PLM.19 Ligand excluded by PLIP PLM.21: 4 residues within 4Å: Chain B: I.23, I.24, F.33, H.542 Ligand excluded by PLIP PLM.22: 4 residues within 4Å: Chain B: V.663, F.671 Ligands: PLM.5, PLM.36 Ligand excluded by PLIP PLM.23: 6 residues within 4Å: Chain B: W.117 Chain H: V.9 Chain I: F.1 Ligands: CLR.31, CLR.32, CLR.35 Ligand excluded by PLIP PLM.27: 7 residues within 4Å: Chain A: Q.5, G.8, V.9, G.12 Chain D: V.28, Y.31 Ligands: PLM.28 Ligand excluded by PLIP PLM.28: 11 residues within 4Å: Chain A: G.8, G.12 Chain C: A.21, L.24 Chain D: A.21, L.24, K.25, A.27, V.28 Ligands: CLR.25, PLM.27 Ligand excluded by PLIP PLM.30: 6 residues within 4Å: Chain A: F.671 Chain B: T.372 Chain E: V.28, Y.31, K.34 Ligands: PLM.10 Ligand excluded by PLIP PLM.33: 7 residues within 4Å: Chain B: Q.5, G.8, V.9, G.12 Chain H: V.28, Y.31 Ligands: PLM.34 Ligand excluded by PLIP PLM.34: 11 residues within 4Å: Chain B: G.8, G.12 Chain G: A.21, L.24 Chain H: A.21, L.24, K.25, A.27, V.28 Ligands: CLR.31, PLM.33 Ligand excluded by PLIP PLM.36: 6 residues within 4Å: Chain A: T.372 Chain B: F.671 Chain I: V.28, Y.31, K.34 Ligands: PLM.22 Ligand excluded by PLIP

2 x LBN: 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine(Non-covalent)

LBN.12: 18 residues within 4Å: Chain A: P.111, I.112, L.115, A.168, T.170, I.171, W.172, C.174, Y.175, L.664 Chain E: F.13, A.14, F.16, W.17, A.20, K.23 Chain F: F.32 Ligands: CLR.29 12 PLIP interactions: 7 interactions with chain A, 4 interactions with chain E, 1 interactions with chain F Hydrophobic interactions: A:T.170, A:I.171, A:I.171, A:Y.175, A:Y.175, A:L.664, A:L.664, E:F.13, E:A.14, E:K.23, F:F.32 Salt bridges: E:K.23 LBN.24: 18 residues within 4Å: Chain B: P.111, I.112, L.115, A.168, T.170, I.171, W.172, C.174, Y.175, L.664 Chain I: F.13, A.14, F.16, W.17, A.20, K.23 Chain J: F.32 Ligands: CLR.35 12 PLIP interactions: 7 interactions with chain B, 1 interactions with chain J, 4 interactions with chain I Hydrophobic interactions: B:T.170, B:I.171, B:I.171, B:Y.175, B:Y.175, B:L.664, B:L.664, J:F.32, I:F.13, I:A.14, I:K.23 Salt bridges: I:K.23

6 x CLR: CHOLESTEROL(Non-covalent)

CLR.25: 14 residues within 4Å: Chain A: I.7, A.11, I.15, M.589, P.592, F.593, V.596 Chain C: V.28, F.32 Chain D: F.13, L.24 Ligands: Y01.1, PLM.11, PLM.28 11 PLIP interactions: 2 interactions with chain C, 6 interactions with chain A, 3 interactions with chain D Hydrophobic interactions: C:V.28, C:F.32, A:I.7, A:A.11, A:P.592, A:F.593, A:F.593, A:V.596, D:F.13, D:L.24, D:L.24 CLR.26: 10 residues within 4Å: Chain A: P.592, L.595, A.599 Chain D: V.9, Y.12, W.17, A.20, L.24 Chain E: F.1 Ligands: PLM.11 8 PLIP interactions: 4 interactions with chain D, 2 interactions with chain A, 2 interactions with chain E Hydrophobic interactions: D:V.9, D:W.17, D:A.20, D:L.24, A:L.595, A:A.599, E:F.1, E:F.1 CLR.29: 17 residues within 4Å: Chain A: T.110, P.111, V.114, W.172 Chain D: F.1, K.4, F.5, A.8, D.11, Y.12, F.16 Chain E: F.5, A.8, Y.12, F.16 Ligands: PLM.11, LBN.12 16 PLIP interactions: 4 interactions with chain A, 7 interactions with chain E, 5 interactions with chain D Hydrophobic interactions: A:T.110, A:P.111, A:V.114, A:W.172, E:F.5, E:A.8, E:Y.12, E:Y.12, E:Y.12, E:F.16, E:F.16, D:F.1, D:K.4, D:A.8, D:D.11, D:F.16 CLR.31: 14 residues within 4Å: Chain B: I.7, A.11, I.15, M.589, P.592, F.593, V.596 Chain G: V.28, F.32 Chain H: F.13, L.24 Ligands: Y01.13, PLM.23, PLM.34 11 PLIP interactions: 6 interactions with chain B, 2 interactions with chain G, 3 interactions with chain H Hydrophobic interactions: B:I.7, B:A.11, B:P.592, B:F.593, B:F.593, B:V.596, G:V.28, G:F.32, H:F.13, H:L.24, H:L.24 CLR.32: 10 residues within 4Å: Chain B: P.592, L.595, A.599 Chain H: V.9, Y.12, W.17, A.20, L.24 Chain I: F.1 Ligands: PLM.23 8 PLIP interactions: 2 interactions with chain B, 4 interactions with chain H, 2 interactions with chain I Hydrophobic interactions: B:L.595, B:A.599, H:V.9, H:W.17, H:A.20, H:L.24, I:F.1, I:F.1 CLR.35: 17 residues within 4Å: Chain B: T.110, P.111, V.114, W.172 Chain H: F.1, K.4, F.5, A.8, D.11, Y.12, F.16 Chain I: F.5, A.8, Y.12, F.16 Ligands: PLM.23, LBN.24 16 PLIP interactions: 5 interactions with chain H, 7 interactions with chain I, 4 interactions with chain B Hydrophobic interactions: H:F.1, H:K.4, H:A.8, H:D.11, H:F.16, I:F.5, I:A.8, I:Y.12, I:Y.12, I:Y.12, I:F.16, I:F.16, B:T.110, B:P.111, B:V.114, B:W.172

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jojoa-Cruz, S. et al., Structure of mechanically activated ion channel OSCA2.3 reveals mobile elements in the transmembrane domain. Structure (2024)

Release Date

2023-12-27

Peptides

Calcium permeable stress-gated cation channel 1: AB
NSPr peptide: CDEFGHIJ

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

H
H

I
I

J
J

Calcium permeable stress-gated cation channel 1

NSPr peptide

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