SMTL ID : 2chm.1

Crystal structure of N2 substituted pyrazolo pyrimidinones - a flipped binding mode in PDE5

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.84, H.120, D.121, D.232 Ligands: MG.2 6 PLIP interactions: 4 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:H.84, A:H.120, A:D.121, A:D.232, H2O.20, H2O.20

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: D.121, E.150 Ligands: ZN.1 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.121, H2O.7, H2O.9, H2O.9, H2O.20

1 x 3P4: 5-[2-(BUT-3-EN-1-YLOXY)-5-(1-HYDROXYVINYL)PYRIDIN-3-YL]-3-ETHYL-2-(1-ETHYLAZETIDIN-3-YL)-1,2,6,7A-TETRAHYDRO-7H-PYRAZOLO[4,3-D]PYRIMIDIN-7-ONE(Non-covalent)

3P4.3: 15 residues within 4Å: Chain A: Y.79, L.193, L.233, A.235, I.236, Q.243, A.247, V.250, A.251, F.254, L.272, I.281, M.284, Q.285, F.288 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:L.193, A:V.250, A:A.251, A:F.254, A:L.272, A:I.281, A:F.288, A:F.288 Hydrogen bonds: A:Q.243, A:Q.285, A:Q.285 pi-Stacking: A:F.288

1 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.4: 4 residues within 4Å: Chain A: N.210, Q.211, F.212, N.213 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.210 Water bridges: A:F.212, A:N.213

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Allerton, C.M.N. et al., A Novel Series of Potent and Selective Pde5 Inhibitors with Potential for High and Dose-Independent Oral Bioavailability. J.Med.Chem. (2006)

Release Date

2006-06-08

Peptides

CGMP-SPECIFIC 3', 5'-CYCLIC PHOSPHODIESTERASE, CAMP-SPECIFIC 3', 5'-CYCLIC PHOSPHODIESTERASE 4B: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CGMP-SPECIFIC 3', 5'-CYCLIC PHOSPHODIESTERASE, CAMP-SPECIFIC 3', 5'-CYCLIC PHOSPHODIESTERASE 4B

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