SMTL ID : 3frg.2 (1 other biounit)

Catalytic Domain of Human Phosphodiesterase 4B2B in Complex with a Quinoline Inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

monomer

Ligands

1 x SK4: 4-[(3-methoxyphenyl)amino]-6-(methylsulfonyl)quinoline-3-carboxamide(Non-covalent)

SK4.1: 11 residues within 4Å: Chain A: Y.83, H.84, T.195, M.197, D.242, N.245, I.260, F.264, M.281, Q.293, F.296 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:I.260, A:F.264 Hydrogen bonds: A:N.245, A:Q.293 Water bridges: A:Y.83, A:D.242 pi-Stacking: A:F.264, A:F.296, A:F.296

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: H.88, H.124, D.125, D.242 Ligands: MG.3 6 PLIP interactions: 4 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:H.88, A:H.124, A:D.125, A:D.242, H2O.3, H2O.7

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain A: D.125 Ligands: ZN.2 6 PLIP interactions: 1 interactions with chain A, 5 Ligand-Water interactions Metal complexes: A:D.125, H2O.3, H2O.3, H2O.3, H2O.3, H2O.3

3 x ARS: ARSENIC(Non-covalent)

ARS.4: 1 residues within 4Å: Chain A: C.44 No protein-ligand interaction detected (PLIP) ARS.5: 2 residues within 4Å: Chain A: E.167, C.170 No protein-ligand interaction detected (PLIP) ARS.6: 3 residues within 4Å: Chain A: S.279, M.281, C.282 No protein-ligand interaction detected (PLIP)

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.7: 4 residues within 4Å: Chain A: D.127, E.142, L.143, H.156 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.156 Water bridges: A:E.142 GOL.8: 5 residues within 4Å: Chain A: M.201, M.281, G.295, Y.299, I.300 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.295 Water bridges: A:F.296

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lunniss, C.J. et al., Quinolines as a novel structural class of potent and selective PDE4 inhibitors: optimisation for oral administration. Bioorg.Med.Chem.Lett. (2009)

Release Date

2010-01-12

Peptides

cAMP-specific 3',5'-cyclic phosphodiesterase 4B: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

cAMP-specific 3',5'-cyclic phosphodiesterase 4B

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