STRING 9.05 
ENSG00000232062 [ENSP00000387892]
HLA class II histocompatibility antigen, DQ(1) alpha chain Precursor (DC-4 alpha chain)
HLA-DQB1 [ENSP00000382025]
major histocompatibility complex, class II, DQ beta 1
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:  
none / insignificant.
Co-Mentioned in PubMed Abstracts:   yes (score 0.660).  
Combined Score:
Note: the two proteins have some sequence similarity (82.1 bits over 152 amino acids. click here to see the alignment).
Evidence for specific actions:
Binding:yes (score: 0.900)