STRING 9.05 
COL6A1 [ENSP00000355180]
collagen, type VI, alpha 1; Collagen VI acts as a cell-binding protein
COL6A3 [ENSP00000295550]
collagen, type VI, alpha 3; Collagen VI acts as a cell-binding protein
Evidence suggesting a functional link:
Neighborhood in the Genome:  
none / insignificant.
Gene Fusions:  
none / insignificant.
Cooccurence Across Genomes:  
none / insignificant.
Co-Expression:   yes (score 0.398). In addition, putative homologs are coexpressed in other species (score 0.155).  
Experimental/Biochemical Data:   yes (score 0.999).  
Association in Curated Databases:   yes (score 0.900).  
Co-Mentioned in PubMed Abstracts:   yes (score 0.778).  
Combined Score:
Note: the two proteins have some sequence similarity (442.1 bits over 753 amino acids. click here to see the alignment).
Evidence for specific actions:
Binding:yes (score: 0.900)  
Reaction:yes (score: 0.900)