SMTL ID : 4ene.1

Structure of the N- and C-terminal trimmed ClC-ec1 Cl-/H+ antiporter and Fab Complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

hetero-2-2-2-mer

Ligands

3 x GLC- GLC: alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose(Non-covalent)

GLC-GLC.1: 14 residues within 4Å: Chain A: Q.192, F.193 Chain B: E.12, R.13, D.14, K.15, T.16, P.17, E.157, Y.195, T.196, I.198, S.199, I.200 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:E.12, B:D.14, B:K.15, B:E.157, B:S.199 GLC-GLC.2: 4 residues within 4Å: Chain B: W.109, W.110 Ligands: GLC-GLC.3, GLC-GLC.3 No protein-ligand interaction detected (PLIP) GLC-GLC.3: 7 residues within 4Å: Chain B: W.109, W.110, R.145, D.149, R.152 Ligands: GLC-GLC.2, GLC-GLC.2 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.152

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

CL.4: 6 residues within 4Å: Chain A: S.92, I.94, G.340, I.341, F.342, Y.430 Ligand excluded by PLIP CL.5: 5 residues within 4Å: Chain A: G.91, S.92, G.93, P.95, F.333 Ligand excluded by PLIP CL.10: 3 residues within 4Å: Chain A: R.190, Y.195 Chain B: R.190 Ligand excluded by PLIP CL.11: 6 residues within 4Å: Chain B: S.92, I.94, G.340, I.341, F.342, Y.430 Ligand excluded by PLIP CL.12: 4 residues within 4Å: Chain B: G.91, S.92, G.93, P.95 Ligand excluded by PLIP

6 x DMU: DECYL-BETA-D-MALTOPYRANOSIDE(Non-covalent)

DMU.6: 5 residues within 4Å: Chain A: W.110, R.145, D.149, I.150 Ligands: DMU.7 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:D.149, A:I.150 Hydrogen bonds: A:R.145, A:R.145, A:D.149, A:R.152 DMU.7: 3 residues within 4Å: Chain A: W.109, W.110 Ligands: DMU.6 No protein-ligand interaction detected (PLIP) DMU.8: 6 residues within 4Å: Chain A: W.238, L.241, F.364, Q.366, Y.367 Ligands: DMU.9 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:W.238, A:L.241 Hydrogen bonds: A:Q.366 Water bridges: A:Y.367, A:Y.367 DMU.9: 6 residues within 4Å: Chain A: N.235, W.238, L.241, I.412 Chain B: I.212 Ligands: DMU.8 5 PLIP interactions: 4 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:W.238, A:L.241, B:I.212 Water bridges: A:W.238, A:Y.367 DMU.13: 5 residues within 4Å: Chain A: I.208, I.212 Chain B: W.238 Chain E: Y.105 Ligands: DMU.14 6 PLIP interactions: 2 interactions with chain F, 2 interactions with chain A, 1 interactions with chain E, 1 interactions with chain B Hydrogen bonds: F:S.30, F:S.30, E:Y.105 Hydrophobic interactions: A:I.208, A:I.212, B:W.238 DMU.14: 4 residues within 4Å: Chain B: W.238, Q.366, Y.367 Ligands: DMU.13 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:W.238, B:Q.366, B:Y.367

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lim, H.H. et al., Intracellular proton access in a cl(-)/h(+) antiporter. Plos Biol. (2012)

Release Date

2012-12-26

Peptides

H(+)/Cl(-) exchange transporter ClcA: AB
heavy chain of Fab fragment: CE
light chain of Fab fragment: DF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

E
E

D
D

F
F

Membrane

We predict this structure to be a membrane protein.
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H(+)/Cl(-) exchange transporter ClcA

heavy chain of Fab fragment

light chain of Fab fragment

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