STRING 9.05 
FGA [ENSP00000306361]
 
fibrinogen alpha chain; Fibrinogen has a double function: yielding monomers that polymerize into fibrin and acting as a cofactor in platelet aggregation
FGB [ENSP00000306099]
 
fibrinogen beta chain; Fibrinogen has a double function: yielding monomers that polymerize into fibrin and acting as a cofactor in platelet aggregation
Evidence suggesting a functional link:
Neighborhood in the Genome:  
none / insignificant.
    
Gene Fusions:  
none / insignificant.
    
Cooccurence Across Genomes:  
none / insignificant.
    
Co-Expression:   yes (score 0.733). In addition, putative homologs are coexpressed in other species (score 0.205).  
Experimental/Biochemical Data:   yes (score 0.983). In addition, putative homologs were found interacting in other species (score 0.439).  
Association in Curated Databases:   yes (score 0.900).  
Co-Mentioned in PubMed Abstracts:   yes (score 0.881).  
Combined Score:
 
0.999
 
Note: the two proteins have some sequence similarity (249.3 bits over 270 amino acids. click here to see the alignment).
Evidence for specific actions:
Binding:yes (score: 0.999)  
Reaction:yes (score: 0.900)