STRING 9.05 
ENSG00000228987 [ENSP00000410443]
HLA class II histocompatibility antigen, DR alpha chain Precursor (MHC class II antigen DRA)
HLA-DR15 [ENSP00000353099]
HLA class II histocompatibility antigen, DRB1-15 beta chain Precursor (MHC class I antigen DRB1*15)(DW2.2/DR2.2)
Evidence suggesting a functional link:
Neighborhood in the Genome:  
none / insignificant.
Gene Fusions:  
none / insignificant.
Cooccurence Across Genomes:  
none / insignificant.
none / insignificant.
Experimental/Biochemical Data:  
none / insignificant.
Association in Curated Databases:   yes (score 0.800).  
Co-Mentioned in PubMed Abstracts:  
none / insignificant.
Combined Score:
Note: the two proteins have some sequence similarity (76.2 bits over 146 amino acids. click here to see the alignment).