SMTL ID : 4db7.1 (1 other biounit)

Crystal structure of B. anthracis DHPS with compound 25

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x Z25: 3-(7-amino-4,5-dioxo-1,4,5,6-tetrahydropyrimido[4,5-c]pyridazin-3-yl)propanoic acid(Non-covalent)

Z25.1: 12 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, H.276 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:D.121, A:N.140, A:N.140, A:K.240 Water bridges: A:G.236 Salt bridges: A:D.204, A:K.240, A:R.274, A:H.276 pi-Cation interactions: A:R.274 Z25.6: 12 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, H.276 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:D.121, B:N.140, B:N.140, B:K.240 Water bridges: B:G.236 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: 1 residues within 4Å: Chain A: R.239 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.239 SO4.3: 3 residues within 4Å: Chain A: K.70, R.73, E.113 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:K.70, A:R.73 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 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.283 SO4.7: 1 residues within 4Å: Chain B: R.239 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.239 SO4.8: 3 residues within 4Å: Chain B: K.70, R.73, E.113 2 PLIP interactions: 2 interactions with chain B Salt bridges: B:K.70, B:R.73 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 1 PLIP interactions: 1 interactions with chain B 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

2012-03-28

Peptides

Dihydropteroate Synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Dihydropteroate Synthase

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