STRING 9.05 
DQB1 [ENSP00000382034]
HLA class II histocompatibility antigen, DQB1*0602 beta chain Precursor (DQ(5))(DC-1)
DQA1-0103 [ENSP00000339398]
major histocompatibility complex, class II, DQ alpha 1 precursor
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:   yes (score 0.900).  
Association in Curated Databases:   yes (score 0.800).  
Co-Mentioned in PubMed Abstracts:   yes (score 0.837).  
Combined Score:
Note: the two proteins have some sequence similarity (81.1 bits over 139 amino acids. click here to see the alignment).
Evidence for specific actions:
Binding:yes (score: 0.900)