SMTL ID : 4psy.1

100K crystal structure of Escherichia coli dihydrofolate reductase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 0.85 Å

Oligo State

monomer

Ligands

1 x FOL: FOLIC ACID(Non-covalent)

FOL.1: 16 residues within 4Å: Chain A: I.5, A.6, A.7, M.20, D.27, L.28, W.30, F.31, K.32, I.50, L.54, R.57, I.94, Y.100, T.113 Ligands: NAP.2 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:L.28, A:F.31, A:I.50, A:I.50, A:L.54 Hydrogen bonds: A:Y.100, A:T.113, A:T.113 Water bridges: A:A.6, A:D.27, A:D.27, A:A.29, A:K.32 Salt bridges: A:D.27, A:K.32, A:R.57

1 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.2: 31 residues within 4Å: Chain A: A.6, A.7, I.14, G.15, M.16, N.18, A.19, M.20, W.22, G.43, R.44, H.45, T.46, S.49, L.62, S.63, S.64, Q.65, K.76, S.77, V.78, I.94, G.95, G.96, G.97, R.98, V.99, Y.100, Q.102, T.123 Ligands: FOL.1 29 PLIP interactions: 29 interactions with chain A Hydrophobic interactions: A:T.46 Hydrogen bonds: A:A.7, A:I.14, A:M.16, A:N.18, A:N.18, A:G.43, A:R.44, A:H.45, A:H.45, A:T.46, A:S.49, A:S.63, A:S.64, A:V.78, A:G.95, A:G.96, A:G.97, A:R.98, A:R.98, A:R.98, A:V.99, A:Q.102, A:Q.102, A:T.123, A:T.123 Water bridges: A:H.45, A:S.64 Salt bridges: A:R.44

2 x MN: MANGANESE (II) ION(Non-covalent)

MN.3: 3 residues within 4Å: Chain A: D.116, A.117, H.149 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.116, A:H.149, H2O.11, H2O.11, H2O.11 MN.4: 1 residues within 4Å: Chain A: E.154 6 PLIP interactions: 1 interactions with chain A, 5 Ligand-Water interactions Metal complexes: A:E.154, H2O.11, H2O.11, H2O.11, H2O.11, H2O.11

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wan, Q. et al., Toward resolving the catalytic mechanism of dihydrofolate reductase using neutron and ultrahigh-resolution X-ray crystallography. Proc.Natl.Acad.Sci.USA (2014)

Release Date

2014-05-14

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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