SMTL ID : 6mr9.1

E. coli DHFR complex with a reaction intermediate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

monomer

Ligands

3 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 4 residues within 4Å: Chain A: G.43, H.45, T.46, G.96 Ligand excluded by PLIP CL.2: 2 residues within 4Å: Chain A: D.144, A.145 Ligand excluded by PLIP CL.3: 2 residues within 4Å: Chain A: W.30, R.33 Ligand excluded by PLIP

4 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 2 residues within 4Å: Chain A: E.101, D.127 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.101, H2O.2, H2O.4 MG.5: 2 residues within 4Å: Chain A: E.101, P.126 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.101, H2O.3, H2O.6 MG.6: 1 residues within 4Å: Chain A: H.160 6 PLIP interactions: 1 interactions with chain A, 5 Ligand-Water interactions Metal complexes: A:H.160, H2O.1, H2O.3, H2O.5, H2O.6, H2O.8 MG.7: 1 residues within 4Å: Chain A: D.70 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.70, H2O.2, H2O.4, H2O.4

1 x THG: (6S)-5,6,7,8-TETRAHYDROFOLATE(Non-covalent)

THG.8: 19 residues within 4Å: Chain A: I.5, A.6, A.7, M.16, M.20, D.27, L.28, W.30, F.31, K.32, T.46, I.50, L.54, P.55, R.57, I.94, G.95, Y.100, T.113 18 PLIP interactions: 18 interactions with chain A Hydrophobic interactions: A:L.28, A:F.31, A:F.31, A:I.50 Hydrogen bonds: A:I.5, A:A.6, A:M.16, A:Y.100, A:T.113 Water bridges: A:A.7, A:D.27, A:D.27, A:W.30 Salt bridges: A:D.27, A:K.32, A:R.57 pi-Stacking: A:F.31, A:F.31

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cao, H. et al., Time-resolved x-ray crystallography capture of a slow reaction tetrahydrofolate intermediate. Struct Dyn. (2019)

Release Date

2019-05-15

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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