SMTL ID : 1kzj.2 (2 other biounits)

Crystal Structure of EcTS W80G/dUMP/CB3717 Complex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x UMP: 2'-DEOXYURIDINE 5'-MONOPHOSPHATE(Covalent)(Non-covalent)

UMP.1: 15 residues within 4Å: Chain A: R.21, C.146, H.147, Q.165, R.166, S.167, C.168, D.169, G.173, N.177, H.207, Y.209 Chain B: R.126, R.127 Ligands: CB3.2 11 PLIP interactions: 9 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:Q.165, A:S.167, A:D.169, A:N.177, A:N.177, A:H.207, A:Y.209 Salt bridges: A:R.21, A:R.166, B:R.126, B:R.127 UMP.3: 14 residues within 4Å: Chain A: R.126 Chain B: R.21, C.146, H.147, Q.165, R.166, S.167, C.168, D.169, G.173, N.177, H.207, Y.209 Ligands: CB3.4 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Q.165, B:S.167, B:S.167, B:D.169, B:L.174, B:N.177, B:N.177, B:H.207 Salt bridges: B:R.21, B:R.166, A:R.126

2 x CB3: 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID(Non-covalent)

CB3.2: 13 residues within 4Å: Chain A: E.58, T.78, I.79, W.83, D.169, L.172, G.173, F.176, N.177, Y.209, V.262, A.263 Ligands: UMP.1 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:I.79, A:I.79, A:W.83, A:F.176, A:F.176 Hydrogen bonds: A:Y.209, A:A.263, A:A.263, A:A.263 Water bridges: A:K.48, A:S.54, A:I.79 Salt bridges: A:K.48, A:D.169 pi-Stacking: A:F.176 CB3.4: 13 residues within 4Å: Chain B: K.48, I.79, W.83, D.169, L.172, G.173, F.176, N.177, Y.209, I.258, V.262, A.263 Ligands: UMP.3 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:W.83, B:F.176, B:F.176, B:F.176 Hydrogen bonds: B:A.263, B:A.263, B:A.263 Salt bridges: B:K.48, B:D.169

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fritz, T.A. et al., Tryptophan 80 and leucine 143 are critical for the hydride transfer step of thymidylate synthase by controlling active site access. Biochemistry (2002)

Release Date

2002-07-03

Peptides

Thymidylate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Thymidylate synthase

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