SMTL ID : 1u72.1

Understanding the Role of Leu22 Variants in Methotrexate Resistance: Comparison of Wild-type and Leu22Arg Variant Mouse and Human Dihydrfolate Reductase Ternary Crystal Complexes with Methotrexate and NADPH

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

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

NDP.1: 28 residues within 4Å: Chain A: V.8, A.9, I.16, G.17, K.18, G.20, D.21, L.22, W.24, G.53, K.54, K.55, T.56, S.59, L.75, S.76, R.77, E.78, R.91, S.92, V.115, G.117, S.118, S.119, V.120, Y.121, T.146 Ligands: MTX.2 23 PLIP interactions: 23 interactions with chain A Hydrophobic interactions: A:I.16, A:L.22, A:T.56 Hydrogen bonds: A:A.9, A:I.16, A:K.18, A:G.20, A:G.20, A:G.53, A:K.54, A:K.55, A:T.56, A:S.59, A:S.76, A:R.77, A:E.78, A:G.117, A:S.118 Water bridges: A:R.77, A:E.123, A:E.123 Salt bridges: A:K.54, A:K.55

1 x MTX: METHOTREXATE(Non-covalent)

MTX.2: 18 residues within 4Å: Chain A: I.7, V.8, A.9, L.22, E.30, F.31, F.34, Q.35, S.59, I.60, P.61, N.64, L.67, R.70, V.115, Y.121, T.136 Ligands: NDP.1 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:F.31, A:F.34, A:Q.35, A:I.60 Hydrogen bonds: A:I.7, A:Q.35, A:N.64, A:Y.121, A:T.136, A:T.136 Water bridges: A:E.30, A:E.30, A:K.68 Salt bridges: A:E.30, A:R.70

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cody, V. et al., Understanding the role of Leu22 variants in methotrexate resistance: comparison of wild-type and Leu22Arg variant mouse and human dihydrofolate reductase ternary crystal complexes with methotrexate and NADPH. Acta Crystallogr.,Sect.D (2005)

Release Date

2005-02-01

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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