SMTL ID : 1typ.1

SUBSTRATE INTERACTIONS BETWEEN TRYPANOTHIONE REDUCTASE AND N1-GLUTATHIONYLSPERMIDINE DISULPHIDE AT 0.28-NM RESOLUTION

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

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

FAD.1: 38 residues within 4Å: Chain A: I.10, G.11, G.13, S.14, G.15, I.34, D.35, L.36, A.46, A.47, G.50, T.51, C.52, V.55, G.56, C.57, K.60, G.125, W.126, G.127, A.159, T.160, G.161, Y.198, I.199, R.287, R.290, L.294, G.326, D.327, M.333, L.334, T.335, P.336, A.338 Chain B: H.461, P.462 Ligands: NAP.2 30 PLIP interactions: 28 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:T.51, A:I.199 Hydrogen bonds: A:S.14, A:G.15, A:G.16, A:L.36, A:A.46, A:A.47, A:T.51, A:T.51, A:T.51, A:C.52, A:K.60, A:G.127, A:G.127, A:G.161, A:Y.198, A:R.290, A:D.327, A:D.327, A:M.333, A:T.335, A:T.335, B:H.461 Water bridges: A:A.46, A:S.162, A:S.162, A:V.328, B:H.461 pi-Stacking: A:Y.198 FAD.5: 40 residues within 4Å: Chain A: H.461, P.462 Chain B: I.10, G.11, A.12, G.13, S.14, G.15, I.34, D.35, L.36, A.46, A.47, G.50, T.51, C.52, V.55, G.56, C.57, K.60, G.125, W.126, G.127, A.159, T.160, G.161, S.178, Y.198, I.199, R.287, R.290, L.294, G.326, D.327, M.333, L.334, T.335, P.336, A.338 Ligands: NAP.6 31 PLIP interactions: 29 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:T.51, B:I.199, B:I.199 Hydrogen bonds: B:S.14, B:S.14, B:G.15, B:L.36, B:A.47, B:A.47, B:T.51, B:T.51, B:C.52, B:K.60, B:G.127, B:G.127, B:G.161, B:Y.198, B:R.290, B:D.327, B:D.327, B:M.333, B:T.335, B:T.335, A:H.461 Water bridges: B:G.13, B:G.16, B:A.46, B:T.51, B:S.162, A:H.461 pi-Stacking: B:Y.198

2 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.2: 21 residues within 4Å: Chain A: Q.165, L.167, G.195, G.196, G.197, Y.198, Y.221, R.222, R.228, F.230, N.254, A.284, I.285, G.286, R.287, M.333, L.334, C.364, A.365, V.366 Ligands: FAD.1 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:Y.198 Hydrogen bonds: A:Q.165, A:G.196, A:G.196, A:Y.198, A:Y.221, A:Y.221, A:R.222, A:I.285, A:M.333 Water bridges: A:R.222, A:L.227, A:A.284 Salt bridges: A:R.222, A:R.228 pi-Cation interactions: A:R.222, A:R.222 NAP.6: 20 residues within 4Å: Chain B: L.167, G.195, G.196, G.197, Y.198, I.199, Y.221, R.222, R.228, F.230, N.254, I.285, G.286, R.287, M.333, L.334, C.364, A.365, V.366 Ligands: FAD.5 20 PLIP interactions: 20 interactions with chain B Hydrophobic interactions: B:Y.198 Hydrogen bonds: B:G.196, B:G.196, B:Y.198, B:I.199, B:Y.221, B:G.286, B:A.365 Water bridges: B:G.197, B:S.200, B:R.228, B:R.228, B:R.228, B:D.327, B:M.333, B:A.365 Salt bridges: B:R.222, B:R.228 pi-Cation interactions: B:R.222, B:R.222

4 x GSH- SPD: GLUTATHIONE

GSH-SPD.3: 15 residues within 4Å: Chain A: S.14, L.17, E.18, W.21, V.53, V.58, Y.110, M.113, T.335, I.339 Chain B: H.461, E.466, E.467, S.470 Ligands: GSH-SPD.4 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:S.470, B:S.470, A:Y.110, A:E.18, A:W.21 Hydrophobic interactions: A:W.21 GSH-SPD.4: 13 residues within 4Å: Chain A: K.61, I.106, S.109, Y.110 Chain B: F.396, P.398, H.461, P.462, T.463, S.464, E.466, E.467 Ligands: GSH-SPD.3 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.463 Salt bridges: A:K.61 GSH-SPD.7: 13 residues within 4Å: Chain A: H.461, S.470 Chain B: S.14, L.17, E.18, W.21, V.53, V.58, Y.110, M.113, T.335, I.339 Ligands: GSH-SPD.8 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Y.110, A:S.470, A:S.470, A:S.470, B:E.18 Water bridges: B:E.18 Hydrophobic interactions: B:W.21, B:W.21 GSH-SPD.8: 12 residues within 4Å: Chain A: F.396, H.461, P.462, T.463, S.464, E.467 Chain B: I.106, S.109, Y.110, G.112, M.113 Ligands: GSH-SPD.7 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:T.463, B:S.109, B:S.109, B:M.113 Water bridges: A:L.399, B:K.61 Salt bridges: B:K.61

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Bailey, S. et al., Substrate interactions between trypanothione reductase and N1-glutathionylspermidine disulphide at 0.28-nm resolution. Eur.J.Biochem. (1993)

Release Date

1994-01-31

Peptides

TRYPANOTHIONE REDUCTASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

TRYPANOTHIONE REDUCTASE