SMTL ID : 1dr1.2 (1 other biounit)

2.2 ANGSTROMS CRYSTAL STRUCTURE OF CHICKEN LIVER DIHYDROFOLATE REDUCTASE COMPLEXED WITH NADP+ AND BIOPTERIN

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: E.78 Chain B: E.78 Ligands: NAP.2, CA.4, NAP.5 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: B:E.78, A:E.78, H2O.1, H2O.6 CA.4: 5 residues within 4Å: Chain A: E.78 Chain B: E.78 Ligands: CA.1, NAP.2, NAP.5 4 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: B:E.78, A:E.78, H2O.1, H2O.6

2 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.2: 29 residues within 4Å: Chain A: V.8, A.9, I.16, G.17, K.18, G.20, N.21, L.22, G.53, K.54, K.55, T.56, L.75, S.76, R.77, E.78, K.91, S.92, V.115, G.117, T.118, A.119, V.120, Y.121, T.146 Chain B: E.78 Ligands: CA.1, HBI.3, CA.4 28 PLIP interactions: 28 interactions with chain A Hydrophobic interactions: A:T.56 Hydrogen bonds: A:A.9, A:I.16, A:K.18, A:G.20, A:G.20, A:G.53, A:G.53, A:K.54, A:K.55, A:T.56, A:R.77, A:R.77, A:E.78, A:G.117, A:T.118, A:T.118 Water bridges: A:K.55, A:K.55, A:S.59, A:R.77, A:L.93, A:L.93, A:A.119, A:T.146 Salt bridges: A:K.54, A:K.55 pi-Cation interactions: A:R.77 NAP.5: 29 residues within 4Å: Chain A: E.78 Chain B: V.8, A.9, I.16, G.17, K.18, G.20, N.21, L.22, G.53, K.54, K.55, T.56, L.75, S.76, R.77, E.78, K.91, S.92, V.115, G.117, T.118, A.119, V.120, Y.121, T.146 Ligands: CA.1, CA.4, HBI.6 30 PLIP interactions: 30 interactions with chain B Hydrophobic interactions: B:T.56 Hydrogen bonds: B:A.9, B:I.16, B:K.18, B:G.20, B:G.20, B:G.53, B:G.53, B:K.54, B:K.55, B:T.56, B:T.56, B:R.77, B:R.77, B:E.78, B:G.117, B:T.118, B:Y.121 Water bridges: B:K.55, B:S.59, B:R.77, B:L.93, B:L.93, B:T.118, B:A.119, B:T.146, B:T.146 Salt bridges: B:K.54, B:K.55 pi-Cation interactions: B:R.77

2 x HBI: 7,8-DIHYDROBIOPTERIN(Non-covalent)

HBI.3: 10 residues within 4Å: Chain A: I.7, V.8, A.9, L.22, E.30, F.34, T.56, V.115, T.136 Ligands: NAP.2 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:F.34 Hydrogen bonds: A:T.136, A:T.136 Water bridges: A:E.30, A:E.30 Salt bridges: A:E.30 HBI.6: 10 residues within 4Å: Chain B: I.7, V.8, A.9, L.22, E.30, F.34, T.56, V.115, T.136 Ligands: NAP.5 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:F.34 Hydrogen bonds: B:T.136, B:T.136 Salt bridges: B:E.30

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

McTigue, M.A. et al., Crystal structure of chicken liver dihydrofolate reductase complexed with NADP+ and biopterin. Biochemistry (1992)

Release Date

1993-10-31

Peptides

DIHYDROFOLATE REDUCTASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

DIHYDROFOLATE REDUCTASE

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