Abstract
myo-Inositol 1,4,5-tris(phosphate) was modified at position 6. The analogues synthesized are reported in this publication are 6-deoxy-myo-inositol 1,4,5-tris(phosphate), 6-fluoro-6-deoxy-myo-inositol 1,4,5-tris(phosphate), epi-inositol 1, 4,5-tris(phosphate), and 6-amino-6-deoxy-myo-inositol 1,4, 5-tris(phosphate). These derivatives showed poor affinity for the Ins(1,4,5)P(3) receptors. The inframolecular acid-base behavior and the cooperative effects between the phosphate groups could help explain the loss of affinity of these 6-modified analogues.
MeSH terms
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Adrenal Cortex / ultrastructure
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Animals
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Calcium Channels / metabolism
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Cattle
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Hydrogen-Ion Concentration
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In Vitro Techniques
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Inositol 1,4,5-Trisphosphate / analogs & derivatives*
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Inositol 1,4,5-Trisphosphate / chemical synthesis
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Inositol 1,4,5-Trisphosphate / chemistry*
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Inositol 1,4,5-Trisphosphate / metabolism
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Inositol 1,4,5-Trisphosphate Receptors
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Magnetic Resonance Spectroscopy
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Microsomes / metabolism
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Potentiometry
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Receptors, Cytoplasmic and Nuclear / metabolism
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Stereoisomerism
Substances
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Calcium Channels
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Inositol 1,4,5-Trisphosphate Receptors
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Receptors, Cytoplasmic and Nuclear
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Inositol 1,4,5-Trisphosphate