SMTL ID : 6fij.1

Structure of the loading/condensing region (SAT-KS-MAT) of the cercosporin fungal non-reducing polyketide synthase (NR-PKS) CTB1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.77 Å

Oligo State

homo-dimer

Ligands

12 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.1: 6 residues within 4Å: Chain A: Q.15, T.16, D.18, Y.74, R.75, P.244 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.75 EDO.2: 9 residues within 4Å: Chain A: V.126, V.276, I.280, R.285, S.290, A.293, A.298, E.301, A.302 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.285, A:R.285, A:A.298 EDO.3: 5 residues within 4Å: Chain A: A.288, R.315, V.318, S.319, N.322 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.315, A:R.315, A:S.319, A:N.322 EDO.4: 9 residues within 4Å: Chain A: R.392, E.447, A.448, E.450, L.472, L.475, W.1266, L.1268 Ligands: EDO.6 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.392, A:R.392 EDO.5: 5 residues within 4Å: Chain A: G.1069, E.1070, Y.1072, E.1073, Q.1091 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.1072, A:E.1073, A:Q.1091 EDO.6: 11 residues within 4Å: Chain A: R.392, F.393, P.394, Q.395, S.396, S.397, W.444, L.445, H.446, E.447 Ligands: EDO.4 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.395, A:H.446, A:E.447 EDO.9: 5 residues within 4Å: Chain B: K.432, A.433, K.434, L.1281, D.1285 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.432, B:K.434, B:L.1281 EDO.10: 9 residues within 4Å: Chain B: R.392, S.397, E.447, A.448, E.450, L.472, L.475, W.1266, L.1268 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.392, B:R.392 EDO.11: 10 residues within 4Å: Chain A: V.519 Chain B: P.431, N.435, V.436, S.437, G.438, A.590, D.593, A.594, R.600 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:D.593, B:R.600 Water bridges: B:N.435 EDO.12: 7 residues within 4Å: Chain B: R.490, T.491, A.633, D.634, K.635, Y.869, Q.1256 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.490, B:D.634, B:Y.869 EDO.13: 13 residues within 4Å: Chain B: V.416, W.421, H.426, V.427, N.435, V.436, S.437, T.439, G.440, P.586, D.587, T.589, A.590 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:W.421, B:S.437, B:S.437, B:T.439, B:P.586 EDO.14: 6 residues within 4Å: Chain A: K.47 Chain B: S.492, S.493, D.630, A.633, D.634 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:D.630

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.7: 9 residues within 4Å: Chain A: T.647, N.648, Q.670 Chain B: N.497, R.498, S.543, G.544, P.545, E.571 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.498, B:E.571 GOL.8: 10 residues within 4Å: Chain A: L.313, M.316, A.317, L.339, S.340, F.341, S.342, K.344, L.345, Q.348 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:L.313, A:F.341

1 x MG: MAGNESIUM ION(Non-covalent)

MG.15: 4 residues within 4Å: Chain B: T.196, A.197, Q.199, A.200 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:T.196, B:A.197, B:Q.199

1 x DTT: 2,3-DIHYDROXY-1,4-DITHIOBUTANE(Non-covalent)

DTT.16: 13 residues within 4Å: Chain B: V.213, L.313, D.314, R.315, M.316, A.317, L.339, S.340, F.341, S.342, K.344, L.345, Q.348 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:L.313

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Herbst, D.A. et al., The structural organization of substrate loading in iterative polyketide synthases. Nat. Chem. Biol. (2018)

Release Date

2018-03-21

Peptides

Polyketide synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Polyketide synthase

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