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

ChiA1 from Aspergillus fumigatus in complex with acetazolamide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x AZM: 5-ACETAMIDO-1,3,4-THIADIAZOLE-2-SULFONAMIDE(Non-covalent)

AZM.1: 10 residues within 4Å: Chain A: Y.7, A.97, D.145, E.147, Q.203, Y.205, N.206, A.252, A.253, W.285 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.7, A:W.285 Hydrogen bonds: A:D.145, A:Q.203, A:N.206 Water bridges: A:Q.180 pi-Stacking: A:W.285, A:W.285

8 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 4 residues within 4Å: Chain A: Y.275, P.276, D.277, T.278 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Y.275, A:D.277, A:D.277, A:D.277, A:T.278, A:T.278 PO4.3: 6 residues within 4Å: Chain A: C.54, D.55, G.72, C.73, H.74, Q.75 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:C.54, A:H.74, A:Q.75 Water bridges: A:N.52, A:Q.53, A:Q.53, A:C.73 Salt bridges: A:H.74 PO4.4: 3 residues within 4Å: Chain A: R.16, Q.75, E.78 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.75 Salt bridges: A:R.16 PO4.5: 1 residues within 4Å: Chain A: T.24 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.24, A:T.24 Water bridges: A:D.302 PO4.6: 5 residues within 4Å: Chain A: N.35, Y.36, N.49, K.68, Y.98 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.35, A:Y.36 Water bridges: A:S.48, A:N.49, A:N.49 Salt bridges: A:K.68 PO4.7: 4 residues within 4Å: Chain A: E.147, H.148, N.149, Q.187 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.149 Water bridges: A:H.148, A:N.149, A:G.150 Salt bridges: A:H.148 PO4.8: 4 residues within 4Å: Chain A: F.215, T.270, Y.271, R.274 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.271 Salt bridges: A:R.274 PO4.9: 3 residues within 4Å: Chain A: T.260, D.262, E.263 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.260, A:T.260 Water bridges: A:D.262

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schuttelkopf, A.W. et al., Acetazolamide-Based Fungal Chitinase Inhibitors. Bioorg.Med.Chem. (2010)

Release Date

2011-10-26

Peptides

CLASS III CHITINASE CHIA1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CLASS III CHITINASE CHIA1

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