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| Cat.No | ACP23549 | Target Name | GCH1 |
|---|---|---|---|
| Form | Lyophilized powder | Expression System | Custom Production. Please inquire and provide the desire expression system. |
| Expression Range | 1-250 | Protein Length | Full length protein |
| Purity | >85% (SDS-PAGE) | Storage Buffer | 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, Liquid form: default storage buffer is Tris/PBS-based buffer, pH 8.0. |
| Target Species | Human | Uniprot ID | P30793 |
|---|
Uniprot Id
P30793
Target Species
Human
Target Name
GCH1
Target Full Name
GTP cyclohydrolase 1
Target Function
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.
Target Involvement
Hyperphenylalaninemia, BH4-deficient, B (HPABH4B); Dystonia, dopa-responsive (DRD)
Target Subcellular Location
Cytoplasm. Nucleus.
Target Protein Families
GTP cyclohydrolase I family
Target Tissue Specificity
In epidermis, expressed predominantly in basal undifferentiated keratinocytes and in some but not all melanocytes (at protein level).
Target Synonyms
dystonia 14; DYT 5; DYT14; DYT5; DYT5a; GCH 1; GCH; Gch1; GCH1_HUMAN; GTP CH 1; GTP CH I ; GTP cyclohydrolase 1 (dopa responsive dystonia); GTP cyclohydrolase 1; GTP cyclohydrolase I; GTP-CH-I; GTPCH 1; GTPCH1; Guanosine 5' triphosphate cyclohydrolase I; HPABH4B
Target Background
This gene encodes a member of the GTP cyclohydrolase family. The encoded protein is the first and rate-limiting enzyme in tetrahydrobiopterin (BH4) biosynthesis, catalyzing the conversion of GTP into 7, 8-dihydroneopterin triphosphate. BH4 is an essential cofactor required by aromatic amino acid hydroxylases as well as nitric oxide synthases. Mutations in this gene are associated with malignant hyperphenylalaninemia and dopa-responsive dystonia. Several alternatively spliced transcript variants encoding different isoforms have been described; however, not all variants give rise to a functional enzyme.
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