The domain within your query sequence starts at position 2 and ends at position 89; the E-value for the Il2rg domain shown below is 6.7e-26.

FITVMFGAGCRELVNPWCNLLNFTVHLKQKARVPPGGTIALLAEDGHLVKLEEETTQAPS
MACSLIQEQVTYVLVQKGKMGPLLTMSH

Il2rg

Il2rg
PFAM accession number:PF15874
Interpro abstract (IPR039471):

The function of this group of proteins is not known. Proteins in this entry includes CXorf65 and C22orf15 from humans.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry Il2rg