SMTL ID : 2a3c.1 (1 other biounit)

Crystal structure of Aspergillus fumigatus chitinase B1 in complex with pentoxifylline

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.07 Å

Oligo State

monomer

Ligands

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

SO4.1: 2 residues within 4Å: Chain A: R.126, Q.414 4 PLIP interactions: 4 interactions with chain A Water bridges: A:R.126, A:R.126, A:R.126 Salt bridges: A:R.126 SO4.2: 2 residues within 4Å: Chain A: T.149, D.150 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.150 Water bridges: A:A.151, A:R.153 SO4.3: 2 residues within 4Å: Chain A: N.181, D.182 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.182 Water bridges: A:Q.183 SO4.4: 4 residues within 4Å: Chain A: H.229, L.230, K.231, D.232 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:L.230, A:K.231, A:D.232, A:D.232 Salt bridges: A:K.231

2 x PNX: 3,7-DIMETHYL-1-(5-OXOHEXYL)-3,7-DIHYDRO-1H-PURINE-2,6-DIONE(Non-covalent)

PNX.5: 13 residues within 4Å: Chain A: Y.48, W.52, F.76, G.136, W.137, T.138, D.175, E.177, M.243, Y.245, D.246, Y.299, W.384 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:W.52, A:W.52, A:W.384 Hydrogen bonds: A:W.137, A:T.138, A:Y.245 Water bridges: A:T.138, A:T.138 pi-Stacking: A:W.137, A:W.384, A:W.384 PNX.6: 9 residues within 4Å: Chain A: W.137, Y.178, D.246, A.248, G.249, S.250, F.251, S.252, R.301 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:W.137, A:F.251 Hydrogen bonds: A:F.251, A:S.252 pi-Stacking: A:W.137, A:W.137, A:W.137

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rao, F.V. et al., Methylxanthine drugs are chitinase inhibitors: investigation of inhibition and binding modes. Chem.Biol. (2005)

Release Date

2005-09-27

Peptides

chitinase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

chitinase

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