SMTL ID : 3b5b.1

Crystal structure of the thymidylate synthase k48q

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-dimer

Ligands

1 x NDU: 2'-DEOXY-5-NITROURIDINE 5'-MONOPHOSPHATE(Covalent)

NDU.1: 17 residues within 4Å: Chain A: R.21, W.80, Y.94, L.143, 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 13 PLIP interactions: 9 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:Q.165, A:S.167, A:D.169, A:N.177, A:N.177, A:Y.209 Water bridges: A:R.21, B:R.126, B:R.126 Salt bridges: A:R.21, A:R.166, B:R.126, B:R.127

2 x FMT: FORMIC ACID(Non-functional Binders)

FMT.2: 5 residues within 4Å: Chain A: M.1, V.45, T.46, T.47, P.224 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.46, A:T.47, A:T.47 FMT.4: 4 residues within 4Å: Chain B: M.1, V.45, T.46, T.47 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.46, B:T.47

1 x NDN: 2'-DEOXY-5-NITROURIDINE 5'-(DIHYDROGEN PHOSPHATE)(Non-covalent)

NDN.3: 17 residues within 4Å: Chain A: R.126, R.127 Chain B: R.21, W.80, Y.94, L.143, C.146, H.147, Q.165, R.166, S.167, C.168, D.169, G.173, N.177, H.207, Y.209 13 PLIP interactions: 9 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:Q.165, B:S.167, B:D.169, B:N.177, B:N.177, B:Y.209, B:Y.209 Salt bridges: B:R.21, B:R.166, A:R.126, A:R.127 Water bridges: A:R.126, A:R.126

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Arvizu-Flores, A.A. et al., Role of an invariant lysine residue in folate binding on Escherichia coli thymidylate synthase: Calorimetric and crystallographic analysis of the K48Q mutant. Int.J.Biochem.Cell Biol. (2008)

Release Date

2007-12-25

Peptides

Thymidylate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Thymidylate synthase

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