| Literature DB >> 3261978 |
C Doughney1, M A McPherson, R L Dormer.
Abstract
Human erythrocyte membranes metabolize inositol 1,3,4,5-tetrakisphosphate [Ins(1,3,4,5)P4] to inositol 1,3,4-trisphosphate [Ins(1,3,4)P3] in the presence of Mg2+. In the absence of Mg2+ a less rapid conversion of Ins(1,3,4,5)P4 into Ins(1,4,5)P3 was revealed. Such an enzyme activity, if present in hormonally sensitive cells, could provide a mechanism for maintaining constant concentrations of Ins(1,4,5)P3 and Ins(1,3,4,5)P4, important for stimulation of Ca2+ entry after Ca2+ mobilization.Entities:
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Year: 1988 PMID: 3261978 PMCID: PMC1149091 DOI: 10.1042/bj2510927
Source DB: PubMed Journal: Biochem J ISSN: 0264-6021 Impact factor: 3.857