Hi,
IPR004506 is mapped to GO:0005737 cytoplasm, but this domain is also found in tRNA modification enzymes known to localize to the mitochondrion. See mouse TRMU, for example:
http://www.ebi.ac.uk/QuickGO/GProtein?ac=Q9DAT5
Thanks,
--Kimberly Van Auken
WormBase
The term for cytoplasm has been removed.
Cheers