SMTL ID : 7lc3.1

CryoEM Structure of KdpFABC in E1-ATP state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-mer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: R.116, G.232, G.234, N.239, G.345 No protein-ligand interaction detected (PLIP) K.2: 8 residues within 4Å: Chain A: N.112, T.113, T.230, N.231, S.343, C.344, N.466, N.467 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:N.112, A:N.231, A:S.343, A:C.344, A:N.466

1 x 9Y0: (2R)-3-(((2-aminoethoxy)(hydroxy)phosphoryl)oxy)-2-(palmitoyloxy)propyl (E)-octadec-9-enoate(Non-covalent)

9Y0.3: 24 residues within 4Å: Chain A: I.393, P.521, H.523, G.524, P.525, L.526, F.527, G.529, L.530, G.533, T.534, L.537, V.538 Chain B: T.576, T.577, I.580, A.581, S.647, R.651, L.654, W.655, G.658, L.659, L.662 13 PLIP interactions: 7 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:T.577, B:I.580, B:R.651, B:L.654, B:L.662, A:I.393, A:L.530, A:L.537, A:L.537 Hydrogen bonds: B:S.647, A:H.523, A:L.526 Salt bridges: B:R.651

1 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 6 residues within 4Å: Chain B: D.172, D.307, T.309, D.518, G.519, D.522 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.518, B:D.518

1 x ACP: PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER(Non-covalent)

ACP.5: 23 residues within 4Å: Chain B: D.307, K.308, T.309, R.317, D.344, T.346, E.348, G.349, F.377, R.382, M.383, S.384, K.395, G.396, S.397, T.429, L.431, T.471, G.472, D.473, A.494, K.499, N.521 13 PLIP interactions: 13 interactions with chain B Hydrogen bonds: B:D.307, B:D.307, B:T.309, B:T.309, B:R.317, B:R.317, B:D.344, B:S.384, B:K.395, B:G.472, B:D.473, B:K.499, B:N.521

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sweet, M.E. et al., Structural basis for potassium transport in prokaryotes by KdpFABC. Proc.Natl.Acad.Sci.USA (2021)

Release Date

2021-01-27

Peptides

Potassium-transporting ATPase potassium-binding subunit: A
Potassium-transporting ATPase ATP-binding subunit: B
Potassium-transporting ATPase KdpC subunit: C
Potassium-transporting ATPase KdpF subunit: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
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Potassium-transporting ATPase potassium-binding subunit

Potassium-transporting ATPase ATP-binding subunit

Potassium-transporting ATPase KdpC subunit

Potassium-transporting ATPase KdpF subunit

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