SMTL ID : 1aiq.1

CRYSTAL STRUCTURE OF THYMIDYLATE SYNTHASE R126E MUTANT

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

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

UMP.1: 15 residues within 4Å: Chain A: R.21, Y.94, C.146, H.147, Q.165, R.166, S.167, C.168, D.169, N.177, H.207, Y.209 Chain B: E.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, B:E.126 Water bridges: A:Y.209, B:E.126 Salt bridges: A:R.21, A:R.166 UMP.3: 15 residues within 4Å: Chain A: E.126 Chain B: R.21, A.144, 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 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:A.144, B:Q.165, B:S.167, B:D.169, B:N.177, B:N.177, B:H.207, B:Y.209 Water bridges: B:A.144, A:E.126 Salt bridges: B:R.21, B:R.166

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

CB3.2: 17 residues within 4Å: Chain A: H.51, S.54, E.58, I.79, W.80, W.83, L.143, D.169, L.172, G.173, F.176, N.177, Y.209, K.259, V.262, A.263 Ligands: UMP.1 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:I.79, A:W.83, A:L.143, A:F.176 Hydrogen bonds: A:S.54, A:A.263, A:A.263 Water bridges: A:I.79, A:I.79, A:K.259 Salt bridges: A:K.48, A:H.51, A:D.169, A:K.259 pi-Stacking: A:W.80, A:F.176 CB3.4: 15 residues within 4Å: Chain B: H.51, S.54, E.58, I.79, W.80, W.83, L.143, D.169, L.172, G.173, F.176, N.177, Y.209, A.263 Ligands: UMP.3 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:I.79, B:I.79, B:W.83, B:W.83, B:L.143, B:F.176 Hydrogen bonds: B:S.54, B:Y.209, B:A.263, B:A.263 Salt bridges: B:K.48, B:H.51, B:D.169 pi-Stacking: B:F.176

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Strop, P. et al., Crystal structures of a marginally active thymidylate synthase mutant, Arg 126-->Glu. Protein Sci. (1997)

Release Date

1997-11-12

Peptides

THYMIDYLATE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

THYMIDYLATE SYNTHASE

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