SMTL ID : 5uii.1

structure of DHFR with bound buformin and NADP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

monomer

Ligands

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

NAP.1: 18 residues within 4Å: Chain A: G.43, R.44, H.45, T.46, L.62, S.63, S.64, Q.65, K.76, S.77, V.78, G.96, G.97, R.98, V.99, Q.102, T.123 Ligands: CA.2 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:G.43, A:R.44, A:H.45, A:T.46, A:T.46, A:S.63, A:S.63, A:S.64, A:S.64, A:G.96, A:G.97, A:R.98, A:V.99, A:Q.102, A:Q.102 Water bridges: A:V.78 Salt bridges: A:R.44

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 3 residues within 4Å: Chain A: M.16, E.17 Ligands: NAP.1 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:M.16, H2O.2, H2O.3, H2O.7, H2O.8

1 x NA: SODIUM ION(Non-functional Binders)

NA.3: 3 residues within 4Å: Chain A: K.38, K.109, Y.111 No protein-ligand interaction detected (PLIP)

1 x BFR: N-butyl-N'-(diaminomethylidene)guanidine(Non-covalent)

BFR.4: 11 residues within 4Å: Chain A: I.5, A.6, A.7, D.27, W.30, F.31, I.50, L.54, I.94, Y.100, T.113 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:I.50 Hydrogen bonds: A:I.5, A:Y.100, A:T.113, A:T.113 Water bridges: A:A.6, A:A.7, A:A.7 Salt bridges: A:D.27

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gabel, S.A. et al., A Structural Basis for Biguanide Activity. Biochemistry (2017)

Release Date

2018-01-31

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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