This gene encodes a member of the pterin-4-alpha-carbinolamine dehydratase family. The encoded protein has been identified as a moonlighting protein based on its ability to perform mechanistically distinct functions. The encoded protein functions as both a dehydratase involved in tetrahydrobiopterin biosynthesis, and as a cofactor for HNF1A-dependent transcription. A deficiency of this enzyme leads to hyperphenylalaninemia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014]
Function:
Involved in tetrahydrobiopterin biosynthesis. Seems to both prevent the formation of 7-pterins and accelerate the formation of quinonoid-SH2. Coactivator for HNF1A-dependent transcription. Regulates the dimerization of homeodomain protein HNF1A and enhances its transcriptional activity.
Subcellular Location:
Cytoplasm. Nucleus. Cytoplasmic and/or nuclear.
DISEASE:
Defects in PCBD1 are the cause of SH4-deficient hyperphenylalaninemia type D (HPASH4D) [MIM:212870]; also known as hyperphenylalaninemia with primapterinuria. HPASH4D is characterized by the excretion of 7-substituted pterins in the urine of affected patients.
Similarity:
Belongs to the pterin-4-alpha-carbinolamine dehydratase family.
SWISS:
P61457
Gene ID:
5092
Database links:
Entrez Gene: 395729 Chicken
Entrez Gene: 5092 Human
Entrez Gene: 1336 Mouse
Entrez Gene: 29700 Rat
Omim: 126090 Human
SwissProt: P61457 Human
SwissProt: P61458 Mouse
SwissProt: P61459 Rat
Unigene: 3192 Human
Unigene: 39473 Mouse
Unigene: 8236 Rat
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Sample:
Testis (Mouse) Lysate at 40 ug
Primary: Anti-PCBD1 (SL19905R) at 1/300 dilution
Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
Predicted band size: 12 kD
Observed band size: 12 kD
Paraformaldehyde-fixed, paraffin embedded (Mouse colon); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (PCBD1) Polyclonal Antibody, Unconjugated (SL19905R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructionsand DAB staining.
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