Inositol phosphates: Does IP(4) run a protection racket?
The phosphorylation of IP(3) by IP(3) 3-kinase leads to a number of physiological events, most of which are poorly understood. Recent findings about a hitherto unsuspected action of the IP(3) 3-kinase product, IP(4), suggest that the evolution of IP(3) 3-kinase may have even more far-reaching consequences than we thought.
Department of Pharmacology, Tennis Court Road, Cambridge CB2 1QJ, UK. rfi20@cam.ac.uk
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Irvine
D000818:Animals; D002118:Calcium / Q000378:metabolism; D015544:Inositol 1,4,5-Trisphosphate / Q000378:metabolism*; D007295:Inositol Phosphates / Q000378:metabolism*; D017853:Phosphotransferases (Alcohol Group Acceptor) / Q000378:metabolism*; D018160:Receptors, Cytoplasmic and Nuclear / Q000378:metabolism
D007295:Inositol Phosphates; D018160:Receptors, Cytoplasmic and Nuclear; C061107:inositol-1,3,4,5-tetrakisphosphate receptor; C081655:inositol-1,3,4,5-tetrakisphosphate; D015544:Inositol 1,4,5-Trisphosphate; D017853:Phosphotransferases (Alcohol Group Acceptor); C051038:Inositol 1,4,5-trisphosphate 3-kinase; D002118:Calcium