STRING 9.05 
FXN [ENSP00000366482]
 
frataxin; Probably involved in iron homeostasis. Anti-apoptotic protein which prevents mitochondrial damage and reactive oxygen species (ROS) production
PMPCB [ENSP00000249269]
 
peptidase (mitochondrial processing) beta; Cleaves presequences (transit peptides) from mitochondrial protein precursors (By similarity)
Evidence suggesting a functional link:
Neighborhood in the Genome:  
none / insignificant.
    
Gene Fusions:  
none / insignificant.
    
Cooccurence Across Genomes:  
none / insignificant.
    
Co-Expression:  
none / insignificant.
    
Experimental/Biochemical Data:   yes (score 0.621). In addition, putative homologs were found interacting in other species (score 0.239).  
Association in Curated Databases:  
none / insignificant.
    
Co-Mentioned in PubMed Abstracts:   yes (score 0.904).  
Combined Score:
 
0.968
 
Evidence for specific actions:
Binding:yes (score: 0.924)