SMTL ID : 1jom.1

THE CRYSTAL STRUCTURE OF THE BINARY COMPLEX BETWEEN FOLINIC ACID (LEUCOVORIN) AND E. COLI DIHYDROFOLATE REDUCTASE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 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

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 6 residues within 4Å: Chain A: E.17, N.18, A.19, M.20, W.22 Ligands: EOH.6 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Ligand interactions Metal complexes: A:M.20, EOH.6

1 x FFO: N-[4-({[(6S)-2-amino-5-formyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl]methyl}amino)benzoyl]-L-glutamic acid(Non-covalent)

FFO.3: 15 residues within 4Å: Chain A: I.5, A.6, A.7, G.15, E.17, D.27, L.28, F.31, K.32, I.50, L.54, R.57, I.94, Y.100, T.113 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:E.17, A:I.50 Hydrogen bonds: A:I.5, A:Y.100, A:T.113, A:T.113 Water bridges: A:A.7, A:A.7, A:E.17, A:D.27, A:D.27 Salt bridges: A:D.27, A:K.32, A:R.57 pi-Stacking: A:F.31, A:F.31

3 x EOH: ETHANOL(Non-functional Binders)

EOH.4: 2 residues within 4Å: Chain A: D.127, Y.128 1 PLIP interactions: 1 interactions with chain A Water bridges: A:Y.128 EOH.5: 3 residues within 4Å: Chain A: R.52, P.53, P.55 No protein-ligand interaction detected (PLIP) EOH.6: 2 residues within 4Å: Chain A: N.23 Ligands: CA.2 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, H. et al., Crystal structures of Escherichia coli dihydrofolate reductase complexed with 5-formyltetrahydrofolate (folinic acid) in two space groups: evidence for enolization of pteridine O4. Biochemistry (1996)

Release Date

1996-11-08

Peptides

DIHYDROFOLATE REDUCTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

DIHYDROFOLATE REDUCTASE

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