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

Crystal structure of B. anthracis DHPS with compound 19

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x 0J4: (2R)-2-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-c]pyridazin-3-yl)propanoic acid(Non-covalent)

0J4.1: 11 residues within 4Å: Chain A: D.121, N.140, I.142, I.163, M.165, D.204, F.209, L.234, G.236, K.240, R.274 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:F.209 Hydrogen bonds: A:D.121, A:N.140, A:N.140, A:K.240, A:R.274 Water bridges: A:G.206 Salt bridges: A:D.204, A:K.240, A:R.274, A:H.276 pi-Cation interactions: A:R.274 0J4.6: 11 residues within 4Å: Chain B: D.121, N.140, I.142, I.163, M.165, D.204, F.209, L.234, G.236, K.240, R.274 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:F.209 Hydrogen bonds: B:D.121, B:N.140, B:N.140, B:K.240, B:R.274 Water bridges: B:G.206 Salt bridges: B:D.204, B:K.240, B:R.274, B:H.276 pi-Cation interactions: B:R.274

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: K.70, R.73, E.113 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.113 Salt bridges: A:K.70, A:R.73 SO4.3: 3 residues within 4Å: Chain A: E.218, R.221, N.222 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:E.218, A:N.222, A:N.222 Salt bridges: A:R.221 SO4.4: 2 residues within 4Å: Chain A: S.241, R.254 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.254 SO4.5: 2 residues within 4Å: Chain A: R.283 Chain B: L.249 2 PLIP interactions: 2 interactions with chain A Water bridges: A:K.279 Salt bridges: A:R.283 SO4.7: 3 residues within 4Å: Chain B: K.70, R.73, E.113 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.113 Salt bridges: B:K.70, B:R.73 SO4.8: 3 residues within 4Å: Chain B: E.218, R.221, N.222 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:E.218, B:N.222, B:N.222 Salt bridges: B:R.221 SO4.9: 2 residues within 4Å: Chain B: S.241, R.254 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.254 SO4.10: 2 residues within 4Å: Chain A: L.249 Chain B: R.283 2 PLIP interactions: 2 interactions with chain B Water bridges: B:K.279 Salt bridges: B:R.283

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhao, Y. et al., Structure-Based Design of Novel Pyrimido[4,5-c]pyridazine Derivatives as Dihydropteroate Synthase Inhibitors with Increased Affinity. Chemmedchem (2012)

Release Date

2012-04-04

Peptides

Dihydropteroate Synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

Dihydropteroate Synthase

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