SMTL ID : 6npl.1

Cryo-EM structure of NKCC1

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: N.15, I.16, Y.100, P.212, T.215 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:N.15, A:I.16, A:Y.100, A:P.212 K.7: 6 residues within 4Å: Chain B: N.15, I.16, Y.100, P.212, T.215 Ligands: CL.8 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:I.16, B:Y.100, B:P.212, B:T.215

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

CL.2: 6 residues within 4Å: Chain A: G.18, V.19, M.20, Y.100, P.212, A.213 Ligand excluded by PLIP CL.3: 6 residues within 4Å: Chain A: F.89, G.216, I.217, L.218, F.402, Y.406 Ligand excluded by PLIP CL.8: 7 residues within 4Å: Chain B: G.18, V.19, M.20, Y.100, P.212, A.213 Ligands: K.7 Ligand excluded by PLIP CL.9: 6 residues within 4Å: Chain B: F.89, G.216, I.217, L.218, F.402, Y.406 Ligand excluded by PLIP

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

POV.4: 15 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, Y.468 Ligands: POV.6, POV.12 8 PLIP interactions: 5 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:A.404, A:L.408, A:F.411, A:F.414, A:L.437, B:I.461, B:L.463, B:Y.468 POV.5: 9 residues within 4Å: Chain A: V.445, I.449, I.450, N.451 Chain B: W.452, W.453, L.456, L.457 Ligands: POV.6 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:V.445, A:I.449, B:W.452, B:W.452, B:L.456, B:L.456, B:L.457 POV.6: 9 residues within 4Å: Chain A: W.434, I.441, L.442 Chain B: L.457, V.460, I.461, S.464 Ligands: POV.4, POV.5 9 PLIP interactions: 3 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:L.457, B:V.460, B:I.461, A:W.434, A:W.434, A:W.434, A:I.441, A:I.441, A:L.442 POV.10: 10 residues within 4Å: Chain A: W.452, W.453, L.456, L.457 Chain B: V.445, I.449, I.450, N.451, W.452 Ligands: POV.13 10 PLIP interactions: 5 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:V.445, B:V.445, B:I.449, A:W.452, A:W.452, A:W.453, A:L.456, A:L.457 Hydrogen bonds: B:T.202, B:W.452 POV.11: 20 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, A.419, N.420, W.434, L.437, I.441, N.459, V.462 Ligands: POV.12, POV.13 12 PLIP interactions: 8 interactions with chain B, 4 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, B:V.462, A:I.461, A:L.463, A:Y.468, A:Y.468 POV.12: 22 residues within 4Å: Chain A: F.411, H.415, C.444, F.448, L.456, N.459, L.463, 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.4, POV.11 9 PLIP interactions: 3 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:L.456, A:N.459, A:L.463, B:F.411, B:F.448, B:V.460, B:V.462, B:L.463, B:L.463 POV.13: 8 residues within 4Å: Chain A: V.460, S.464 Chain B: M.433, W.434, I.441, L.442 Ligands: POV.10, POV.11 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:W.434, B:I.441, B:L.442, A:V.460

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