Abstract:
:Nuclear magnetic resonance (NMR) data directly indicated a Ca2+-dependent interaction between calmodulin (CaM) and CoDN3, a small effector of the plant pathogenic fungus Colletotrichum orbiculare, which is the causal agent of cucumber anthracnose. The overall conformation of CoDN3 is intrinsically disordered, and the CaM-binding site spans residues 34-53 of its C-terminal region. Experiments employing a chemically synthesized peptide corresponding to the CaM-binding site indicated that the CaM-binding region of CoDN3 in the Ca2+-bound CaM complex takes an α-helical conformation. Cell death suppression assay using a CoDN3 mutant lacking the CaM-binding ability suggested that the wild type CaM-binding site is necessary for full CoDN3 function in vivo.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Isozumi N,Inoue Y,Imamura T,Mori M,Takano Y,Ohki Sdoi
10.1016/j.bbrc.2019.05.007subject
Has Abstractpub_date
2019-06-30 00:00:00pages
803-808issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(19)30875-7journal_volume
514pub_type
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