This entry represents the N-terminal zinc finger domain (previously known as zf-C3HC) of Zinc finger C3HC-type protein 1 (ZC3HC1, also known as Nuclear-interacting partner of ALK (NIPA)), pre-mRNA leakage protein 39 (Pml39), mRNA export factor Rsm1 a ...
This entry represents the N-terminal zinc finger domain (previously known as zf-C3HC) of Zinc finger C3HC-type protein 1 (ZC3HC1, also known as Nuclear-interacting partner of ALK (NIPA)), pre-mRNA leakage protein 39 (Pml39), mRNA export factor Rsm1 and related eukaryotic proteins. Pml39 and Rsm1 are ZC3HC1 homologues from S. cerevisiae and S. pombe, respectively [1]. This domain contains three highly conserved cysteine residues, two of which evolutionarily invariant, followed by an invariant pair of histidine and cysteine residues [2]. This zinc finger domain is often found repeated and the second repeat domain can harbour a large insert located after the first three cysteine residues. Both domains coordinate zinc ion via two cysteines and the histidine-cysteine pair, in a mode similar to the presumably related BIR domains. Both N- (this entry) and C-terminal zinc finger domains were found to be essential for binding TPR/Mlp1 and therefore denoted as the nuclear basket-interaction domain (NuBaID), representing an evolutionary conserved integral functional unit [2].
