id="p0010">The RING-type E3 McCPN1 possesses selected E2-dependent ubiquitin ligase activity.
id="p0015">McCPN1 localizes primarily on the plasma membrane and nucleus.
id="p0020">The accumulation of McCPN1 increases in salt-stressed ice plant roots.
id="p0025">Nuclear-localized protein Argonaute 4 is a McCPN1-interacting partner.