Orengo C A, Swindells M B, Michie A D, Zvelebil M J, Driscoll P C, Waterfield M D, Thornton J M
Department of Biochemistry and Molecular Biology, University College, London, United Kingdom.
Protein Sci. 1995 Oct;4(10):1977-83. doi: 10.1002/pro.5560041003.
An unexpected structural similarity is described between the pleckstrin homology (PH) domain and verotoxin. This similarity has escaped detection primarily due to the differences in topology that exist between the two proteins. By comparing this result with two previously reported similarities for the PH domain, one with the lipocalins and another with the FK506 binding protein, we discuss the problems of measuring and assessing structural similarities.
本文描述了普列克底物蛋白同源(PH)结构域与维罗毒素之间意外的结构相似性。这种相似性此前未被发现,主要是由于这两种蛋白质在拓扑结构上存在差异。通过将这一结果与之前报道的PH结构域的另外两种相似性(一种是与脂质运载蛋白的相似性,另一种是与FK506结合蛋白的相似性)进行比较,我们讨论了测量和评估结构相似性的问题。