Hyperphenylalaninemia Due To Tetrahydrobiopterin Deficiency(Tetrahydrobiopterin deficiency) 
An Autosomal recessive mode(s) within the Metabolic disorders category
        
          
            
            Candidate Gene Information
            
        
        
        
        
      
    An Autosomal recessive mode(s) within the Metabolic disorders category
Reported Pathogenic variants
| S.No. | Name/GeneID | Description | Cytogentic Band | Gene Location on genomic DNA | Gene Length | Exons | Details | Gene Cross-References | 
| 1 | GCH1/2643 | GTP cyclohydrolase 1 | 14q22.2 | Chr14, NC_000014.9 (54842017..54902826, complement)  | 
              60810 nt | 10 | More... | OMIM gene gnomAD browser EnsEMBL GeneCards ClinGen gene  | 
            
| Variant Information | ||||||||
| Disorder Cross-References: GTR MalaCards NORD | ||||||||
Patient care services
Clinical Symptoms & Disabilities