A more interesting possibility is that this expression may reflect yet unknown functions of these genes.
The protein it makes is a novel receptor of unknown function.
There is also a domain of unknown function from amino acid 1538-1649.
For example, suppose we have a table like this, which gives some values of an unknown function f.
It is designed specifically for his hand, has an increased cartridge size and green panels of unknown function.
A further building of unknown function erected a short distance.
C9orf147: Chromosome 9 open reading frame 147 has an unknown function.
Several transcripts of unknown function corresponding to this region have been isolated.
Other features identified include a discard area and a deep feature of unknown function.
A mark similar in appearance to a hyphen (unknown function).