SMTL ID : 6z16.1

Structure of the Mrp antiporter complex

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-2-2-2-2-mer

Ligands

26 x PTY: PHOSPHATIDYLETHANOLAMINE(Non-covalent)

PTY.1: 8 residues within 4Å: Chain A: L.73, I.76, G.116, L.505, V.515, L.516, S.519, V.520 Ligand excluded by PLIP PTY.2: 5 residues within 4Å: Chain A: W.300, T.301, L.304, A.446, W.448 Ligand excluded by PLIP PTY.3: 22 residues within 4Å: Chain A: T.707, I.708, A.711, L.714, L.715, Y.718, H.719 Chain B: L.42, A.45, G.46, V.49, T.129, I.136, G.137, D.140 Chain F: V.70, G.71, A.74, F.75, F.78, V.83, V.84 Ligand excluded by PLIP PTY.4: 13 residues within 4Å: Chain A: F.39, A.42, L.43, P.46, F.47, Y.49, K.50, C.51, F.99, L.145, L.168 Chain D: P.385 Ligands: PTY.5 Ligand excluded by PLIP PTY.5: 11 residues within 4Å: Chain A: L.40, N.138, Y.142, L.145 Chain D: P.367, L.368, W.371, I.375, I.461 Ligands: PTY.4, PTY.13 Ligand excluded by PLIP PTY.6: 8 residues within 4Å: Chain A: L.203, P.232, I.235, P.236, L.240 Chain D: I.405, F.406, I.409 Ligand excluded by PLIP PTY.7: 15 residues within 4Å: Chain A: V.654, L.655, L.660, A.661, V.664, T.665, I.668, A.669, K.670, S.671, T.674 Chain F: V.22, R.30 Ligands: PTY.15, PTY.16 Ligand excluded by PLIP PTY.9: 10 residues within 4Å: Chain B: A.13, V.14, P.17 Chain E: W.101 Chain G: L.76 Chain L: F.3, L.7, F.44, F.45, H.46 Ligand excluded by PLIP PTY.11: 6 residues within 4Å: Chain D: F.21, F.22, K.24, H.25, W.28, V.32 Ligand excluded by PLIP PTY.12: 6 residues within 4Å: Chain D: L.34, L.90, V.94, Y.98, F.447, F.451 Ligand excluded by PLIP PTY.13: 8 residues within 4Å: Chain D: V.454, L.455, V.457, A.458, Y.459, G.462, F.465 Ligands: PTY.5 Ligand excluded by PLIP PTY.14: 9 residues within 4Å: Chain E: F.3, L.7, F.44, F.45, H.46 Chain I: A.13, V.14 Chain L: W.101 Chain N: L.76 Ligand excluded by PLIP PTY.15: 23 residues within 4Å: Chain A: L.655, G.658, A.661, T.665, S.671, L.673, T.674, V.677, A.681, Y.684, A.685, V.710, L.714 Chain F: M.14, L.18, V.21, V.22, T.27, R.30, L.34, M.37, F.75 Ligands: PTY.7 Ligand excluded by PLIP PTY.16: 8 residues within 4Å: Chain A: V.650, Y.651 Chain F: N.4, I.5, V.8, S.11, I.44 Ligands: PTY.7 Ligand excluded by PLIP PTY.17: 8 residues within 4Å: Chain H: L.73, I.76, L.112, L.505, V.515, L.516, S.519, V.520 Ligand excluded by PLIP PTY.18: 5 residues within 4Å: Chain H: W.300, T.301, L.304, A.446, W.448 Ligand excluded by PLIP PTY.19: 22 residues within 4Å: Chain H: T.707, I.708, A.711, L.714, L.715, Y.718, H.719 Chain I: L.42, A.45, G.46, T.129, I.136, G.137, D.140 Chain M: V.70, G.71, A.74, F.75, F.78, V.83, V.84 Ligands: PTY.29 Ligand excluded by PLIP PTY.20: 14 residues within 4Å: Chain H: F.39, A.42, L.43, P.46, F.47, Y.49, K.50, C.51, W.91, F.99, L.145, L.168 Chain K: P.385 Ligands: PTY.21 Ligand excluded by PLIP PTY.21: 11 residues within 4Å: Chain H: L.40, N.138, Y.142, L.145 Chain K: P.367, L.368, W.371, I.375, I.461 Ligands: PTY.20, PTY.28 Ligand excluded by PLIP PTY.22: 8 residues within 4Å: Chain H: P.232, I.235, P.236, V.239, L.240 Chain K: I.405, F.406, I.409 Ligand excluded by PLIP PTY.23: 15 residues within 4Å: Chain H: V.654, L.655, L.660, A.661, V.664, T.665, I.668, A.669, K.670, S.671, T.674 Chain M: V.22, R.30 Ligands: PTY.29, PTY.30 Ligand excluded by PLIP PTY.26: 7 residues within 4Å: Chain I: L.77 Chain K: F.21, F.22, K.24, H.25, W.28, V.32 Ligand excluded by PLIP PTY.27: 5 residues within 4Å: Chain K: L.90, V.94, Y.98, F.447, F.451 Ligand excluded by PLIP PTY.28: 9 residues within 4Å: Chain K: L.450, V.454, L.455, V.457, A.458, Y.459, G.462, F.465 Ligands: PTY.21 Ligand excluded by PLIP PTY.29: 24 residues within 4Å: Chain H: L.655, G.658, A.661, A.662, T.665, S.671, L.673, T.674, V.677, Y.684, A.685, V.710, L.714 Chain M: M.14, L.18, V.21, V.22, T.27, R.30, L.34, M.37, F.75 Ligands: PTY.19, PTY.23 Ligand excluded by PLIP PTY.30: 9 residues within 4Å: Chain H: V.650, Y.651, V.654 Chain M: N.4, I.5, V.8, S.11, I.44 Ligands: PTY.23 Ligand excluded by PLIP

4 x K: POTASSIUM ION(Non-covalent)

K.8: 3 residues within 4Å: Chain A: Q.702 Chain C: H.37, H.40 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:H.40 K.10: 3 residues within 4Å: Chain C: S.36, H.40, S.80 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:S.80 K.24: 4 residues within 4Å: Chain H: V.686, Q.702 Chain J: H.37, H.40 1 PLIP interactions: 1 interactions with chain J Metal complexes: J:H.40 K.25: 2 residues within 4Å: Chain J: H.40, S.80 1 PLIP interactions: 1 interactions with chain J Metal complexes: J:S.80

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Steiner, J. et al., Structure and mechanism of the Mrp complex, an ancient cation/proton antiporter. Elife (2020)

Release Date

2020-08-12

Peptides

Multisubunit Na+/H+ antiporter, A subunit: AH
Multisubunit Na+/H+ antiporter, B subunit: BI
Multisubunit Na+/H+ antiporter, C subunit: CJ
Multisubunit Na+/H+ antiporter, D subunit: DK
Multisubunit Na+/H+ antiporter, E subunit: EL
Multisubunit Na+/H+ antiporter, F subunit: FM
Multisubunit Na+/H+ antiporter, G subunit: GN

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

H
a

B
B

I
b

C
C

J
c

D
D

K
d

E
E

L
e

F
F

M
f

G
G

N
g

Membrane

We predict this structure to be a membrane protein.
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Multisubunit Na+/H+ antiporter, A subunit

Multisubunit Na+/H+ antiporter, B subunit

Multisubunit Na+/H+ antiporter, C subunit

Multisubunit Na+/H+ antiporter, D subunit

Multisubunit Na+/H+ antiporter, E subunit

Multisubunit Na+/H+ antiporter, F subunit

Multisubunit Na+/H+ antiporter, G subunit