SMTL ID : 1ngs.1

COMPLEX OF TRANSKETOLASE WITH THIAMIN DIPHOSPHATE, CA2+ AND ACCEPTOR SUBSTRATE ERYTHROSE-4-PHOSPHATE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: D.157, N.187, I.189 Ligands: TPP.3 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.157, A:I.189 CA.4: 4 residues within 4Å: Chain B: D.157, N.187, I.189 Ligands: TPP.6 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.157, B:I.189

2 x E4P: ERYTHOSE-4-PHOSPHATE(Non-covalent)

E4P.2: 9 residues within 4Å: Chain A: H.30, I.191, H.263, G.264 Chain B: S.386, H.469, D.477, R.528 Ligands: TPP.3 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Water bridges: B:H.481 Salt bridges: B:H.469, B:R.528 Hydrogen bonds: A:H.30 E4P.5: 9 residues within 4Å: Chain A: S.386, H.469, D.477, R.528 Chain B: H.30, I.191, H.263, G.264 Ligands: TPP.6 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:S.386, B:H.30 Water bridges: A:H.481, B:R.94 Salt bridges: A:H.469, A:R.528

2 x TPP: THIAMINE DIPHOSPHATE(Non-covalent)

TPP.3: 23 residues within 4Å: Chain A: A.33, H.69, G.116, P.117, L.118, G.156, D.157, G.158, E.162, N.187, I.189, T.190, I.191, I.250, H.263 Chain B: D.382, I.416, E.418, F.445, Y.448, H.481 Ligands: CA.1, E4P.2 16 PLIP interactions: 13 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:I.191, A:I.191, B:I.416, B:Y.448 Hydrogen bonds: A:G.116, A:L.118, A:D.157, A:G.158, A:E.162, A:I.189 Water bridges: A:G.156, A:D.185 Salt bridges: A:H.69, A:H.69, A:H.263 pi-Stacking: B:F.445 TPP.6: 22 residues within 4Å: Chain A: D.382, E.418, F.445, Y.448 Chain B: A.33, H.69, G.116, P.117, L.118, G.156, D.157, G.158, E.162, D.185, N.187, I.189, T.190, I.191, I.250, H.263 Ligands: CA.4, E4P.5 17 PLIP interactions: 13 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:I.191, B:I.191, A:F.445, A:Y.448 Hydrogen bonds: B:G.116, B:L.118, B:G.158, B:E.162, B:D.185, B:N.187 Water bridges: B:A.33, A:E.418 Salt bridges: B:H.69, B:H.69, B:H.263, B:H.263 pi-Stacking: A:F.445

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nilsson, U. et al., Examination of substrate binding in thiamin diphosphate-dependent transketolase by protein crystallography and site-directed mutagenesis. J.Biol.Chem. (1997)

Release Date

1997-02-12

Peptides

TRANSKETOLASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

TRANSKETOLASE

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