SMTL ID : 7npx.1

Thioredoxin glutathione reductase from Schistosoma mansoni in complex with 3-(3-Methoxyquinoxalin-2-yl)propanoic acid at 24 hours of soaking

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-dimer

Ligands

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.1: 39 residues within 4Å: Chain A: I.113, G.114, G.115, G.116, S.117, G.118, G.119, L.136, D.137, Y.138, V.139, G.152, T.153, C.154, V.157, G.158, C.159, K.162, A.226, K.227, G.228, A.256, T.257, G.258, S.276, Y.296, V.297, R.393, V.400, I.431, G.432, D.433, Q.440, L.441, T.442, P.443, A.445 Chain B: H.571, P.572 32 PLIP interactions: 30 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:T.153, A:V.297 Hydrogen bonds: A:G.115, A:S.117, A:S.117, A:G.118, A:G.119, A:D.137, A:Y.138, A:T.153, A:T.153, A:T.153, A:C.154, A:K.162, A:G.228, A:G.228, A:Y.296, A:I.431, A:D.433, A:Q.440, A:T.442, A:T.442, B:H.571 Water bridges: A:W.148, A:G.152, A:T.257, A:G.258, A:E.259, A:I.434, B:H.571 pi-Stacking: A:Y.296, A:Y.296 FAD.11: 34 residues within 4Å: Chain A: H.571, P.572 Chain B: I.113, G.114, G.116, S.117, G.118, L.136, D.137, Y.138, V.139, G.152, T.153, C.154, V.157, G.158, C.159, K.162, A.226, K.227, G.228, A.256, T.257, G.258, S.276, Y.296, V.297, R.393, G.432, D.433, Q.440, L.441, T.442, P.443 24 PLIP interactions: 22 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:T.153, B:V.297 Hydrogen bonds: B:G.115, B:S.117, B:G.118, B:D.137, B:Y.138, B:T.153, B:C.154, B:K.162, B:G.228, B:G.228, B:D.433, B:Q.440, B:T.442, B:T.442, A:H.571 Water bridges: B:G.116, B:G.119, B:W.148, B:T.153, A:H.571 pi-Stacking: B:Y.296, B:Y.296

2 x EY7: 3-(3-methoxyquinoxalin-2-yl)propanoic acid(Non-covalent)

EY7.2: 4 residues within 4Å: Chain A: R.317, S.318, R.322 Ligands: PEG.4 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.318 Salt bridges: A:R.322 pi-Cation interactions: A:R.322 EY7.12: 4 residues within 4Å: Chain B: R.317, S.318, R.322 Ligands: PEG.14 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:S.318, B:S.318 Salt bridges: B:R.322 pi-Cation interactions: B:R.322, B:R.322

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

CL.3: 2 residues within 4Å: Chain A: Q.327, H.502 Ligand excluded by PLIP CL.5: 4 residues within 4Å: Chain A: G.149, L.150, N.209, K.213 Ligand excluded by PLIP CL.13: 2 residues within 4Å: Chain B: H.173, H.339 Ligand excluded by PLIP CL.16: 2 residues within 4Å: Chain B: W.510, P.542 Ligand excluded by PLIP

4 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.4: 1 residues within 4Å: Ligands: EY7.2 No protein-ligand interaction detected (PLIP) PEG.6: 6 residues within 4Å: Chain A: Y.138, N.225, T.239, D.240, K.241, Q.243 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.225, A:Q.243 PEG.7: 3 residues within 4Å: Chain A: R.322, G.323, F.324 2 PLIP interactions: 2 interactions with chain A Water bridges: A:V.469, A:G.483 PEG.14: 1 residues within 4Å: Ligands: EY7.12 No protein-ligand interaction detected (PLIP)

4 x K: POTASSIUM ION(Non-functional Binders)(Non-covalent)

K.8: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) K.9: 4 residues within 4Å: Chain A: D.565, T.567, T.579 Chain B: Q.447 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.565, A:T.567, A:T.579 K.10: 1 residues within 4Å: Chain A: K.506 No protein-ligand interaction detected (PLIP) K.15: 1 residues within 4Å: Chain B: K.506 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fata, F. et al., Probing the Surface of a Parasite Drug Target Thioredoxin Glutathione Reductase Using Small Molecule Fragments. Acs Infect Dis. (2021)

Release Date

2021-05-19

Peptides

Thioredoxin glutathione reductase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Thioredoxin glutathione reductase

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