SMTL ID : 4gh8.2 (1 other biounit)

Crystal structure of a 'humanized' E. coli dihydrofolate reductase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.85 Å

Oligo State

monomer

Ligands

1 x MTX: METHOTREXATE(Non-covalent)

MTX.1: 19 residues within 4Å: Chain A: I.5, A.6, A.7, M.20, D.28, L.29, A.30, F.32, K.33, S.50, I.51, P.52, N.55, L.58, R.61, I.98, Y.104, T.117 Ligands: NDP.2 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:L.29, A:L.29, A:F.32, A:L.58 Hydrogen bonds: A:I.5, A:A.6, A:Y.104, A:T.117 Water bridges: A:A.6, A:A.30, A:A.30 Salt bridges: A:D.28, A:R.61

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

NDP.2: 28 residues within 4Å: Chain A: A.6, A.7, I.14, G.15, M.16, N.18, A.19, M.20, W.22, G.44, R.45, H.46, T.47, L.66, S.67, S.68, K.80, S.81, V.82, I.98, G.99, G.100, G.101, R.102, V.103, Y.104, Q.106 Ligands: MTX.1 29 PLIP interactions: 29 interactions with chain A Hydrophobic interactions: A:T.47 Hydrogen bonds: A:A.7, A:I.14, A:M.16, A:N.18, A:N.18, A:G.44, A:R.45, A:H.46, A:H.46, A:T.47, A:T.47, A:S.68, A:G.100, A:G.101, A:R.102, A:V.103, A:Q.106, A:Q.106, A:T.127, A:T.127 Water bridges: A:S.68, A:S.68, A:V.82, A:V.82, A:R.102 Salt bridges: A:R.45, A:H.46, A:H.46

2 x CA: CALCIUM ION(Non-covalent)

CA.3: 2 residues within 4Å: Chain A: D.131, E.133 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.131, A:D.131, A:E.133, H2O.3, H2O.3 CA.4: 3 residues within 4Å: Chain A: E.53, R.56, R.75 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.53, A:E.53, A:R.56, H2O.3

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Liu, C.T. et al., Functional significance of evolving protein sequence in dihydrofolate reductase from bacteria to humans. Proc.Natl.Acad.Sci.USA (2013)

Release Date

2013-06-05

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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