5ohj

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<StructureSection load='5ohj' size='340' side='right'caption='[[5ohj]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
<StructureSection load='5ohj' size='340' side='right'caption='[[5ohj]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5ohj]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5OHJ OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5OHJ FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5ohj]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5OHJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5OHJ FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=9VE:[(1~{S})-2-[3,5-bis(chloranyl)-1-oxidanyl-pyridin-1-ium-4-yl]-1-[4-[bis(fluoranyl)methoxy]-3-(cyclopropylmethoxy)phenyl]ethyl]+(2~{S})-1-[3-(dimethylcarbamoyl)phenyl]sulfonylpyrrolidine-2-carboxylate'>9VE</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.6&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PDE4B, DPDE4 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=9VE:[(1~{S})-2-[3,5-bis(chloranyl)-1-oxidanyl-pyridin-1-ium-4-yl]-1-[4-[bis(fluoranyl)methoxy]-3-(cyclopropylmethoxy)phenyl]ethyl]+(2~{S})-1-[3-(dimethylcarbamoyl)phenyl]sulfonylpyrrolidine-2-carboxylate'>9VE</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/3',5'-cyclic-AMP_phosphodiesterase 3',5'-cyclic-AMP phosphodiesterase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.4.53 3.1.4.53] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5ohj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ohj OCA], [https://pdbe.org/5ohj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ohj RCSB], [https://www.ebi.ac.uk/pdbsum/5ohj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ohj ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5ohj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ohj OCA], [http://pdbe.org/5ohj PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5ohj RCSB], [http://www.ebi.ac.uk/pdbsum/5ohj PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5ohj ProSAT]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PDE4B_HUMAN PDE4B_HUMAN]] Hydrolyzes the second messenger cAMP, which is a key regulator of many important physiological processes. May be involved in mediating central nervous system effects of therapeutic agents ranging from antidepressants to antiasthmatic and anti-inflammatory agents.<ref>PMID:10846163</ref> <ref>PMID:15003452</ref>
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[https://www.uniprot.org/uniprot/PDE4B_HUMAN PDE4B_HUMAN] Hydrolyzes the second messenger cAMP, which is a key regulator of many important physiological processes. May be involved in mediating central nervous system effects of therapeutic agents ranging from antidepressants to antiasthmatic and anti-inflammatory agents.<ref>PMID:10846163</ref> <ref>PMID:15003452</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Phosphodiesterase 4 (PDE4) is a key cAMP-metabolising enzyme involved in the pathogenesis of inflammatory disease and its pharmacological inhibition has been shown to exert therapeutic efficacy in chronic obstructive pulmonary disease (COPD). Herein we describe a drug discovery program aiming at the identification of novel classes of potent PDE4 inhibitors suitable for pulmonary administration. Starting from a previous series of benzoic acid esters, we explored the chemical space in the solvent-exposed region of the enzyme catalytic binding pocket. Extensive structural modifications led to the discovery of a number of heterocycloalkyl esters as potent in vitro PDE4 inhibitors. (S*,S**)-18e and (S*,S**)-22e, in particular, exhibited optimal in vitro ADME and pharmacokinetics properties and dose-dependently counteracted acute lung eosinophilia in an experimental animal model. The optimal biological profile as well as the excellent solid state properties suggest that both compounds have the potential to be effective topical agents for treating respiratory inflammatory diseases.
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Discovery and optimization of thiazolidinyl- and pyrrolidinyl- derivatives as inhaled PDE4 inhibitors for respiratory diseases.,Carzaniga L, Amari G, Rizzi A, Capaldi C, De Fanti R, Ghidini E, Villetti G, Carnini C, Moretto N, Facchinetti F, Caruso P, Marchini G, Battipaglia L, Patacchini R, Cenacchi V, Volta R, Amadei F, Pappani A, Capacchi S, Bagnacani V, Delcanale M, Puccini P, Catinella S, Civelli M, Armani E J Med Chem. 2017 Dec 4. doi: 10.1021/acs.jmedchem.7b01044. PMID:29200281<ref>PMID:29200281</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 5ohj" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
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*[[Phosphodiesterase|Phosphodiesterase]]
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*[[Phosphodiesterase 3D structures|Phosphodiesterase 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: 3',5'-cyclic-AMP phosphodiesterase]]
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[[Category: Homo sapiens]]
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[[Category: Human]]
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[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Armani, E]]
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[[Category: Armani E]]
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[[Category: Carzaniga, L]]
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[[Category: Carzaniga L]]
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[[Category: Rizzi, A]]
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[[Category: Rizzi A]]
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[[Category: Human phosphodiesterase 4b]]
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[[Category: Hydrolase]]
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[[Category: Pde4b]]
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[[Category: Pyrrolidinyl inhibitor]]
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Current revision

Human phosphodiesterase 4B catalytic domain in complex with a pyrrolidinyl inhibitor.

PDB ID 5ohj

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