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  • 11.0 [archived version]
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PTS PTS PAH PAH DHFR DHFR GCH1 GCH1 TPH2 TPH2 SPR SPR TH TH QDPR QDPR TPH1 TPH1 AKR1B1 AKR1B1 CBR1 CBR1
"SPR" - Sepiapterin reductase in Homo sapiens
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Known Interactions
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experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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SPRSepiapterin reductase; Catalyzes the final one or two reductions in tetra- hydrobiopterin biosynthesis to form 5,6,7,8-tetrahydrobiopterin; Belongs to the sepiapterin reductase family (261 aa)    
Predicted Functional Partners:
QDPR
Dihydropteridine reductase; The product of this enzyme, tetrahydrobiopterin (BH-4), is an essential cofactor for phenylalanine, tyrosine, and tryptophan hydroxylases; Short chain dehydrogenase/reductase superfamily (244 aa)
     
  0.989
PTS
6-pyruvoyl tetrahydrobiopterin synthase; Involved in the biosynthesis of tetrahydrobiopterin, an essential cofactor of aromatic amino acid hydroxylases. Catalyzes the transformation of 7,8-dihydroneopterin triphosphate into 6- pyruvoyl tetrahydropterin; Belongs to the PTPS family (145 aa)
   
 
  0.989
PAH
Phenylalanine-4-hydroxylase; Phenylalanine hydroxylase (452 aa)
     
 
  0.980
DHFR
Dihydrofolate reductase; Key enzyme in folate metabolism. Contributes to the de novo mitochondrial thymidylate biosynthesis pathway. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. Binds its own mRNA and that of DHFR2 (187 aa)
     
 
  0.977
CBR1
Carbonyl reductase [NADPH] 1; NADPH-dependent reductase with broad substrate specificity. Catalyzes the reduction of a wide variety of carbonyl compounds including quinones, prostaglandins, menadione, plus various xenobiotics. Catalyzes the reduction of the antitumor anthracyclines doxorubicin and daunorubicin to the cardiotoxic compounds doxorubicinol and daunorubicinol. Can convert prostaglandin E2 to prostaglandin F2-alpha. Can bind glutathione, which explains its higher affinity for glutathione-conjugated substrates. Catalyzes the reduction of S-nitrosoglutathione; Short chain dehy [...] (277 aa)
     
 
  0.973
TH
Tyrosine 3-monooxygenase; Plays an important role in the physiology of adrenergic neurons; Belongs to the biopterin-dependent aromatic amino acid hydroxylase family (528 aa)
     
 
  0.969
TPH1
Tryptophan hydroxylase 1 (444 aa)
     
 
  0.965
AKR1B1
Aldose reductase; Catalyzes the NADPH-dependent reduction of a wide variety of carbonyl-containing compounds to their corresponding alcohols with a broad range of catalytic efficiencies; Belongs to the aldo/keto reductase family (316 aa)
     
 
  0.957
GCH1
GTP cyclohydrolase 1; Positively regulates nitric oxide synthesis in umbilical vein endothelial cells (HUVECs). May be involved in dopamine synthesis. May modify pain sensitivity and persistence. Isoform GCH-1 is the functional enzyme, the potential function of the enzymatically inactive isoforms remains unknown; Belongs to the GTP cyclohydrolase I family (250 aa)
     
 
  0.953
TPH2
Tryptophan hydroxylase 2 (490 aa)
     
 
  0.944
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo sapiens, human, man
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