SMTL ID : 6nph.1

Structure of NKCC1 TM domain

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

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

POV.1: 17 residues within 4Å: Chain A: A.404, A.407, L.408, F.411, F.414, L.418, N.420, L.437, N.459 Chain B: I.461, L.463, S.464, I.467, Y.468, Y.471 Ligands: POV.3, POV.9 9 PLIP interactions: 3 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:I.461, B:L.463, B:Y.468, A:A.404, A:L.408, A:F.411, A:F.411, A:F.414, A:L.437 POV.2: 9 residues within 4Å: Chain A: V.445, I.449, I.450, N.451, W.452 Chain B: W.452, W.453, L.457 Ligands: POV.3 6 PLIP interactions: 3 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:V.445, A:I.449, B:W.452, B:W.452, B:L.457 Hydrogen bonds: A:W.452 POV.3: 8 residues within 4Å: Chain A: M.433, W.434, I.441, L.442 Chain B: I.461, S.464 Ligands: POV.1, POV.2 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:W.434, A:W.434, A:W.434, A:W.434, A:I.441, A:L.442, B:I.461 POV.7: 9 residues within 4Å: Chain A: W.452, W.453, L.456 Chain B: V.445, I.449, I.450, N.451, W.452 Ligands: POV.10 8 PLIP interactions: 4 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:W.452, A:W.452, A:W.453, A:L.456, B:V.445, B:V.445, B:I.449 Hydrogen bonds: B:W.452 POV.8: 19 residues within 4Å: Chain A: I.461, L.463, S.464, Y.468, Y.471, K.472 Chain B: A.404, A.407, L.408, F.414, L.418, N.420, W.434, L.437, I.441, N.459, V.462 Ligands: POV.9, POV.10 12 PLIP interactions: 7 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:A.404, B:L.408, B:F.414, B:F.414, B:L.437, B:I.441, B:V.462, A:I.461, A:L.463, A:Y.468, A:Y.468 Hydrogen bonds: A:Y.471 POV.9: 21 residues within 4Å: Chain A: F.411, H.415, C.444, F.448, L.456, N.459, Y.466, Y.471 Chain B: F.411, H.415, C.444, F.448, N.459, V.460, V.462, L.463, Y.466, S.470, Y.471 Ligands: POV.1, POV.8 8 PLIP interactions: 5 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.448, B:V.460, B:V.462, B:L.463, B:Y.471, A:F.411, A:L.456, A:N.459 POV.10: 6 residues within 4Å: Chain A: S.464 Chain B: M.433, W.434, I.441 Ligands: POV.7, POV.8 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:W.434, B:I.441 Hydrogen bonds: B:W.434

2 x K: POTASSIUM ION(Non-covalent)

K.4: 6 residues within 4Å: Chain A: N.15, I.16, Y.100, P.212, T.215 Ligands: CL.5 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:I.16, A:Y.100, A:P.212 K.11: 6 residues within 4Å: Chain B: N.15, I.16, Y.100, P.212, T.215 Ligands: CL.12 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:I.16, B:Y.100, B:P.212

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.5: 7 residues within 4Å: Chain A: G.18, V.19, M.20, Y.100, P.212, A.213 Ligands: K.4 Ligand excluded by PLIP CL.6: 6 residues within 4Å: Chain A: F.89, G.216, I.217, L.218, F.402, Y.406 Ligand excluded by PLIP CL.12: 7 residues within 4Å: Chain B: G.18, V.19, M.20, Y.100, P.212, A.213 Ligands: K.11 Ligand excluded by PLIP CL.13: 6 residues within 4Å: Chain B: F.89, G.216, I.217, L.218, F.402, Y.406 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chew, T.A. et al., Structure and mechanism of the cation-chloride cotransporter NKCC1. Nature (2019)

Release Date

2019-07-31

Peptides

Solute carrier family 12 (sodium/potassium/chloride transporter), member 2: 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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Solute carrier family 12 (sodium/potassium/chloride transporter), member 2

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