SMTL ID : 6pwn.1

MscS Nanodisc with N-terminal His-Tag

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-heptamer

Ligands

7 x POV: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate(Non-covalent)

POV.1: 13 residues within 4Å: Chain A: Y.47, N.50, I.51, I.58, L.106, G.107, R.108, V.109, G.110, V.111 Chain B: A.53, I.57, R.108 9 PLIP interactions: 5 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:I.51, A:I.58, A:L.106, A:V.109, A:V.111, B:A.53, B:I.57 Salt bridges: B:R.108, B:R.108 POV.3: 15 residues within 4Å: Chain B: Y.47, N.50, I.51, L.106, G.107, R.108, V.109, G.110, V.111 Chain C: A.53, I.57, I.97, F.100, T.101, R.108 10 PLIP interactions: 6 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:A.53, C:I.57, C:I.97, C:F.100, B:I.51, B:L.106, B:V.109, B:V.111 Salt bridges: C:R.108, C:R.108 POV.5: 15 residues within 4Å: Chain C: Y.47, N.50, I.51, L.106, G.107, R.108, V.109, G.110, V.111 Chain D: A.53, I.57, I.97, F.100, T.101, R.108 10 PLIP interactions: 4 interactions with chain C, 6 interactions with chain D Hydrophobic interactions: C:I.51, C:L.106, C:V.109, C:V.111, D:A.53, D:I.57, D:I.97, D:F.100 Salt bridges: D:R.108, D:R.108 POV.8: 14 residues within 4Å: Chain D: Y.47, N.50, I.51, L.106, G.107, R.108, V.109, G.110, V.111 Chain E: A.53, I.57, I.97, F.100, R.108 10 PLIP interactions: 6 interactions with chain E, 4 interactions with chain D Hydrophobic interactions: E:A.53, E:I.57, E:I.97, E:F.100, D:I.51, D:L.106, D:V.109, D:V.111 Salt bridges: E:R.108, E:R.108 POV.9: 15 residues within 4Å: Chain E: Y.47, N.50, I.51, L.106, G.107, R.108, V.109, G.110, V.111 Chain F: A.53, I.57, I.97, F.100, T.101, R.108 9 PLIP interactions: 5 interactions with chain F, 4 interactions with chain E Hydrophobic interactions: F:A.53, F:I.57, F:I.97, E:I.51, E:L.106, E:V.109, E:V.111 Salt bridges: F:R.108, F:R.108 POV.11: 14 residues within 4Å: Chain F: Y.47, N.50, I.51, L.106, G.107, R.108, V.109, G.110 Chain G: A.53, I.57, V.60, I.97, F.100, R.108 10 PLIP interactions: 7 interactions with chain G, 3 interactions with chain F Hydrophobic interactions: G:A.53, G:I.57, G:V.60, G:I.97, G:F.100, F:I.51, F:L.106, F:V.109 Salt bridges: G:R.108, G:R.108 POV.14: 12 residues within 4Å: Chain A: A.53, A.56, I.57, V.60, R.108 Chain G: Y.47, N.50, I.51, G.107, R.108, V.109, G.110 6 PLIP interactions: 1 interactions with chain G, 5 interactions with chain A Hydrophobic interactions: G:I.51, A:A.53, A:A.56, A:I.57 Salt bridges: A:R.108, A:R.108

7 x R16: HEXADECANE(Non-functional Binders)(Non-covalent)

R16.2: 2 residues within 4Å: Ligands: R16.4, R16.12 No protein-ligand interaction detected (PLIP) R16.4: 4 residues within 4Å: Chain A: Q.112 Chain B: I.117 Ligands: R16.2, R16.7 1 PLIP interactions: 1 interactions with chain B Hydrophobic interactions: B:I.117 R16.6: 4 residues within 4Å: Chain C: Q.112 Chain D: I.117 Ligands: R16.7, R16.10 1 PLIP interactions: 1 interactions with chain D Hydrophobic interactions: D:I.117 R16.7: 3 residues within 4Å: Chain C: I.117 Ligands: R16.4, R16.6 No protein-ligand interaction detected (PLIP) R16.10: 4 residues within 4Å: Chain D: Q.112 Chain E: I.117 Ligands: R16.6, R16.13 1 PLIP interactions: 1 interactions with chain E Hydrophobic interactions: E:I.117 R16.12: 5 residues within 4Å: Chain F: Q.112 Chain G: I.117, A.118 Ligands: R16.2, R16.13 No protein-ligand interaction detected (PLIP) R16.13: 3 residues within 4Å: Chain F: I.117 Ligands: R16.10, R16.12 1 PLIP interactions: 1 interactions with chain F Hydrophobic interactions: F:I.117

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Reddy, B. et al., Molecular basis of force-from-lipids gating in the mechanosensitive channel MscS. Elife (2019)

Release Date

2020-01-08

Peptides

Small-conductance mechanosensitive channel: ABCDEFG

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

F
F

G
G

Membrane

We predict this structure to be a membrane protein.
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Small-conductance mechanosensitive channel

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