首页> 外文期刊>Biomolecular NMR assignments >Chemical shift assignments of a calmodulin intermediate with two Ca2+ bound in complex with the IQ-motif of voltage-gated Ca2+ channels (Ca(V)1.2)
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Chemical shift assignments of a calmodulin intermediate with two Ca2+ bound in complex with the IQ-motif of voltage-gated Ca2+ channels (Ca(V)1.2)

机译:钙调蛋白中间体的化学转移分配与络合物中的两个Ca2 +与电压门控Ca2 +通道的IQ-motif结合(CA(v)1.2)

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摘要

Calcium-dependent inactivation (CDI) of neuronal voltage-gated Ca2+ channels (Ca(V)1.2) is important for synaptic plasticity, which is associated with learning and memory. The Ca2+-dependent binding of calmodulin (CaM) to Ca(V)1.2 is essential for CDI. Here we report NMR assignments for a CaM mutant (D21A/D23A/D25A/E32Q/D57A/D59A/N61A/E68Q, called CaMEF12) that contains two Ca2+ bound at the third and fourth EF-hands (EF3 and EF4) and is bound to the IQ-motif (residues 1644-1665) from Ca(V)1.2 (BMRB accession no. 27692).
机译:神经元电压门控Ca2 +通道的钙依赖性灭活(CDI)(Ca(v)1.2)对于突触塑性是重要的,这与学习和记忆相关联。 钙调蛋白(CAM)至Ca(V)1.2的Ca2 +依赖性结合对于CDI至关重要。 在这里,我们向凸轮突变体(D21A / D23A / D25A / E32Q / D57A / E32Q / D57A / D59A / N61A / E68A / N61A / E68AQ)报告NMR分配,其中包含在第三和第四EF手(EF3和EF4)中的两个CA2 +绑定并绑定 从CA(V)1.2(BMRB加入号27692)到IQ-MOTIF(残留物1644-1665)。

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