SMTL ID : 2xtk.2 (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, F.33, G.96, A.97, Y.98, D.145, E.147, Q.203, Y.205, W.285 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.7, A:Q.203 Hydrogen bonds: A:A.97, A:D.145, A:Y.205 Water bridges: A:Y.98, A:Y.98, A:Q.203, A:Q.203 pi-Stacking: A:W.285

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

PO4.2: 6 residues within 4Å: Chain A: C.54, D.55, G.72, C.73, H.74, Q.75 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:C.54, A:H.74, A:Q.75 PO4.3: 6 residues within 4Å: Chain A: K.233, R.274, Y.275, P.276, D.277, T.278 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:D.277, A:D.277, A:T.278, A:T.278, A:T.278 Salt bridges: A:K.233 PO4.4: 3 residues within 4Å: Chain A: A.155, T.156, N.159 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.159 Water bridges: A:T.156, A:T.156 PO4.5: 3 residues within 4Å: Chain A: Q.22, E.23, T.24 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.24, A:T.24, A:T.24 Water bridges: A:S.25 PO4.6: 3 residues within 4Å: Chain A: N.35, Y.36, N.49 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.35, A:N.35, A:N.49 PO4.7: 3 residues within 4Å: Chain A: Y.59, P.131, R.132 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.59, A:R.132 Water bridges: A:G.135 PO4.8: 3 residues within 4Å: Chain A: E.147, H.148, N.149 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.149, A:N.149 Water bridges: A:G.150, A:Q.187, A:Q.187 Salt bridges: A:H.148 PO4.9: 4 residues within 4Å: Chain A: F.215, T.270, Y.271, R.274 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.274

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
B

CLASS III CHITINASE CHIA1

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