SMTL ID : 1ddr.1

MOLECULE: DIHYDROFOLATE REDUCTASE (E.C.1.5.1.3) COMPLEXED WITH METHOTREXATE AND UREA

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.45 Å

Oligo State

homo-dimer

Ligands

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

CL.1: 3 residues within 4Å: Chain A: G.43, R.44, H.45 Ligand excluded by PLIP CL.6: 4 residues within 4Å: Chain B: G.43, R.44, H.45, T.46 Ligand excluded by PLIP

2 x MTX: METHOTREXATE(Non-covalent)

MTX.2: 16 residues within 4Å: Chain A: I.5, A.6, A.7, D.27, L.28, F.31, K.32, T.46, S.49, I.50, R.52, L.54, R.57, I.94, Y.100, T.113 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:L.28, A:F.31, A:L.54 Hydrogen bonds: A:I.5, A:R.52, A:R.52, A:Y.100, A:T.113, A:T.113 Water bridges: A:A.7, A:A.7, A:D.27, A:T.46 Salt bridges: A:D.27, A:K.32, A:K.32, A:R.57 pi-Stacking: A:F.31, A:F.31 MTX.8: 16 residues within 4Å: Chain B: I.5, A.6, A.7, D.27, L.28, W.30, F.31, K.32, I.50, R.52, L.54, R.57, I.94, Y.100, Y.111, T.113 15 PLIP interactions: 15 interactions with chain B Hydrophobic interactions: B:L.28, B:F.31, B:I.50, B:L.54 Hydrogen bonds: B:I.5, B:R.52, B:R.52, B:Y.111 Water bridges: B:A.7 Salt bridges: B:D.27, B:K.32, B:R.52, B:R.57 pi-Stacking: B:F.31, B:F.31

5 x URE: UREA(Non-functional Binders)

URE.3: 4 residues within 4Å: Chain A: R.44, H.45, S.63, Q.65 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.44, A:S.63 Water bridges: A:R.44, A:S.64 URE.4: 1 residues within 4Å: Chain A: R.52 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.52 URE.5: 2 residues within 4Å: Chain A: S.64, K.76 1 PLIP interactions: 1 interactions with chain A Water bridges: A:Q.102 URE.9: 3 residues within 4Å: Chain B: D.122, T.123, H.124 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.122, B:H.124 URE.10: 6 residues within 4Å: Chain B: R.57, K.58, N.59, R.71, V.72, T.73 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.59, B:R.71, B:R.71, B:T.73

1 x CA: CALCIUM ION(Non-covalent)

CA.7: 1 residues within 4Å: Chain B: S.135 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dunbar, J. et al., The effect of denaturants on protein structure. Protein Sci. (1997)

Release Date

1995-10-15

Peptides

DIHYDROFOLATE REDUCTASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

DIHYDROFOLATE REDUCTASE

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