SMTL ID : 4j9u.1 (1 other biounit)

Crystal Structure of the TrkH/TrkA potassium transport complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.80 Å

Oligo State

hetero-oligomer

Ligands

13 x TBR: HEXATANTALUM DODECABROMIDE(Non-covalent)

TBR.1: 7 residues within 4Å: Chain A: H.62, L.150, P.151 Chain C: E.288, E.292 Chain D: D.41, K.42 No protein-ligand interaction detected (PLIP) TBR.2: 2 residues within 4Å: Chain A: I.178 Chain D: L.45 No protein-ligand interaction detected (PLIP) TBR.3: 3 residues within 4Å: Chain A: D.423, S.426, A.446 No protein-ligand interaction detected (PLIP) TBR.5: 8 residues within 4Å: Chain B: H.62, S.66, L.150, P.151, L.153 Chain E: E.292 Chain F: D.41, K.42 No protein-ligand interaction detected (PLIP) TBR.6: 2 residues within 4Å: Chain B: L.150, I.155 No protein-ligand interaction detected (PLIP) TBR.9: 2 residues within 4Å: Chain C: E.107 Chain F: H.59 No protein-ligand interaction detected (PLIP) TBR.10: 11 residues within 4Å: Chain C: G.13, T.14, E.17, E.38, K.42, Y.43, R.332, G.333, Q.351 Chain D: Q.287, E.288 No protein-ligand interaction detected (PLIP) TBR.12: 5 residues within 4Å: Chain D: A.106, E.107 Chain E: P.55, H.59, L.89 No protein-ligand interaction detected (PLIP) TBR.13: 9 residues within 4Å: Chain C: E.288 Chain D: Q.10, G.13, T.14, E.17, E.38, Y.43, Q.331, R.332 No protein-ligand interaction detected (PLIP) TBR.15: 3 residues within 4Å: Chain D: H.59, L.89 Chain E: E.107 No protein-ligand interaction detected (PLIP) TBR.16: 10 residues within 4Å: Chain E: G.9, G.13, T.14, E.17, E.38, Y.43, Q.331, R.332 Chain F: Q.287, E.288 No protein-ligand interaction detected (PLIP) TBR.18: 2 residues within 4Å: Chain C: H.59 Chain F: E.107 No protein-ligand interaction detected (PLIP) TBR.19: 10 residues within 4Å: Chain E: Q.287, E.288 Chain F: Q.10, G.13, T.14, E.17, E.38, Y.43, Q.331, R.332 No protein-ligand interaction detected (PLIP)

2 x K: POTASSIUM ION(Non-covalent)

K.4: 8 residues within 4Å: Chain A: T.111, T.112, I.220, G.221, T.320, A.321, N.437, L.438 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:T.111, A:G.221, A:T.320, A:A.321, A:N.437 K.7: 8 residues within 4Å: Chain B: T.111, T.112, I.220, G.221, T.320, A.321, N.437, L.438 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:T.112, B:T.320, B:A.321, B:N.437, B:L.438

4 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.8: 21 residues within 4Å: Chain C: V.11, R.100, P.125, E.126, V.129, G.239, G.241, N.242, I.243, E.261, R.262, D.283, A.284, L.304, T.305, N.306, E.307, T.310, L.329, Q.331, P.350 14 PLIP interactions: 14 interactions with chain C Hydrophobic interactions: C:V.11 Hydrogen bonds: C:R.100, C:P.125, C:G.240, C:N.242, C:I.243, C:G.244, C:R.262, C:R.262, C:D.283, C:A.284, C:N.306, C:N.306 pi-Cation interactions: C:R.262 NAD.11: 23 residues within 4Å: Chain D: V.11, R.100, P.125, E.126, V.129, G.239, G.240, G.241, N.242, I.243, E.261, R.262, D.283, A.284, L.304, T.305, N.306, E.307, T.310, L.329, Q.331, P.350, Q.351 14 PLIP interactions: 14 interactions with chain D Hydrophobic interactions: D:V.11, D:P.350 Hydrogen bonds: D:R.100, D:P.125, D:G.240, D:N.242, D:I.243, D:R.262, D:R.262, D:D.283, D:A.284, D:T.305, D:N.306 pi-Cation interactions: D:R.262 NAD.14: 22 residues within 4Å: Chain E: V.11, R.100, P.125, E.126, V.129, G.239, G.240, G.241, N.242, I.243, E.261, R.262, D.283, A.284, L.304, T.305, N.306, E.307, T.310, Q.331, P.350, Q.351 16 PLIP interactions: 16 interactions with chain E Hydrophobic interactions: E:V.11, E:P.350 Hydrogen bonds: E:R.100, E:P.125, E:G.240, E:N.242, E:I.243, E:G.244, E:R.262, E:D.283, E:A.284, E:N.306, E:E.307, E:T.310, E:Q.331 pi-Cation interactions: E:R.262 NAD.17: 21 residues within 4Å: Chain F: V.11, R.100, P.125, E.126, V.129, G.239, G.241, N.242, I.243, E.261, R.262, D.283, A.284, T.305, N.306, E.307, T.310, L.329, Q.331, P.350, Q.351 16 PLIP interactions: 16 interactions with chain F Hydrophobic interactions: F:V.11, F:P.350 Hydrogen bonds: F:R.100, F:P.125, F:G.240, F:N.242, F:I.243, F:R.262, F:R.262, F:D.283, F:A.284, F:N.306, F:N.306, F:E.307, F:T.310 pi-Cation interactions: F:R.262

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cao, Y. et al., Gating of the TrkH ion channel by its associated RCK protein TrkA. Nature (2013)

Release Date

2013-04-03

Peptides

Trk system potassium uptake protein TrkH: AB
Potassium uptake protein TrkA: CDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
E

D
F

E
G

F
H

Membrane

We predict this structure to be a membrane protein.
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Trk system potassium uptake protein TrkH

Potassium uptake protein TrkA

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