Protein
26S proteasome regulatory subunit RPN13
Organism
Arabidopsis thaliana
Function
Functions as a proteasomal ubiquitin receptor. Binds and presumably selects ubiquitin-conjugates for destruction. Prefers multiubiquitin chains rather than single ubiquitins, with a binding affinity for 'Lys-63'-linked ubiquitin chains.
Similarity
Belongs to the RPN13 family.
Sequence
MSSSEAFPVMQEIMLEFRAGKMSLQGTRVVPDARKGLVRIARGDEGLIHFQWLDRNQNTVEDDQIVFPDEALFEKVNQSSDRVYILKFNSDDRKLFFWMQEPRAEGDAELCSSVNQYLNQPLEFPGEEGLAAAITEELEDMAEDNTSSRAGNLVVPNLSSEVSDVTSSSGPVKLADLQRILNNLSGGPVGIAGDQDEGLALGDILKPELIMPLLEALPVQERLSSHLPEGHSRAEDILELLQSPPFRQQVDAFTYVLRTGQIDLTQFGIDPSKYKFTVDSFLEALEDSVSTQSRDAMDES