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PDBsum entry 3p6c
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Lipid binding protein
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PDB id
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3p6c
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References listed in PDB file
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Key reference
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Title
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Structural analysis of ibuprofen binding to human adipocyte fatty-Acid binding protein (fabp4).
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Authors
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J.M.González,
S.Z.Fisher.
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Ref.
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Acta Crystallogr F Struct Biol Commun, 2015,
71,
163-170.
[DOI no: ]
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PubMed id
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Abstract
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Inhibition of human adipocyte fatty-acid binding protein (FABP4) has been
proposed as a treatment for type 2 diabetes, fatty liver disease and
atherosclerosis. However, FABP4 displays a naturally low selectivity towards
hydrophobic ligands, leading to the possibility of side effects arising from
cross-inhibition of other FABP isoforms. In a search for structural determinants
of ligand-binding selectivity, the binding of FABP4 towards a group of small
molecules structurally related to the nonsteroidal anti-inflammatory drug
ibuprofen was analyzed through X-ray crystallography. Several specific
hydrophobic interactions are shown to enhance the binding affinities of these
compounds, whereas an aromatic edge-to-face interaction is proposed to determine
the conformation of bound ligands, highlighting the importance of aromatic
interactions in hydrophobic environments.
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