SMTL ID : 2anq.1

Crystal Structure of E.coli DHFR in complex with NADPH and the inhibitor compound 10a.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.13 Å

Oligo State

monomer

Ligands

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

MN.1: 1 residues within 4Å: Chain A: R.159 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:R.159, H2O.1, H2O.2, H2O.7 MN.2: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

1 x NDP: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NDP.3: 29 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, L.62, S.63, S.64, 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: C1A.4 27 PLIP interactions: 27 interactions with chain A Hydrogen bonds: A:A.7, A:I.14, A:N.18, A:G.43, A:G.43, A:R.44, A:H.45, A:T.46, A:S.63, A:S.64, A:Q.65, A:V.78, A:G.96, A:G.97, A:R.98, A:V.99, A:Q.102, A:Q.102, A:T.123, A:T.123 Water bridges: A:N.18, A:S.64, A:S.64, A:S.64, A:S.64, A:S.64 Salt bridges: A:R.44

1 x C1A: (2,5-dimethylbenzene-1,4-diyl)dimethanediyl bis(N-carbamimidoylcarbamimidothioate)(Non-covalent)

C1A.4: 13 residues within 4Å: Chain A: I.5, A.6, A.7, A.19, M.20, D.27, F.31, S.49, I.50, I.94, Y.100, T.113 Ligands: NDP.3 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:F.31, A:I.50 Hydrogen bonds: A:M.20, A:S.49, A:I.94, A:Y.100, A:T.113, A:T.113 Water bridges: A:A.6, A:N.18 Salt bridges: A:D.27

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Summerfield, R.L. et al., A 2.13 A Structure of E. coli Dihydrofolate Reductase Bound to a Novel Competitive Inhibitor Reveals a New Binding Surface Involving the M20 Loop Region. J.Med.Chem. (2006)

Release Date

2006-07-25

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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