| Identification |
| HMDB Protein ID
| CDBP00881 |
| Secondary Accession Numbers
| Not Available |
| Name
| GTP cyclohydrolase 1 |
| Description
| Not Available |
| Synonyms
|
- GTP cyclohydrolase I
- GTP-CH-I
|
| Gene Name
| GCH1 |
| Protein Type
| Enzyme |
| Biological Properties |
| General Function
| Involved in GTP cyclohydrolase I activity |
| Specific 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.
|
| GO Classification
|
| Biological Process |
| response to pain |
| tetrahydrobiopterin biosynthetic process |
| nitric oxide biosynthetic process |
| GTP catabolic process |
| tetrahydrofolate biosynthetic process |
| dopamine biosynthetic process |
| response to lipopolysaccharide |
| vasodilation |
| negative regulation of blood pressure |
| induction of apoptosis |
| response to interferon-gamma |
| response to tumor necrosis factor |
| 7,8-dihydroneopterin 3'-triphosphate biosynthetic process |
| neuromuscular process controlling posture |
| positive regulation of nitric-oxide synthase activity |
| protein heterooligomerization |
| regulation of lung blood pressure |
| protein homooligomerization |
| regulation of blood pressure |
| Cellular Component |
| cytosol |
| nuclear membrane |
| cytoplasmic vesicle |
| protein complex |
| Component |
| cell part |
| intracellular part |
| cytoplasm |
| Function |
| hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines |
| catalytic activity |
| hydrolase activity |
| hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds |
| cyclohydrolase activity |
| gtp cyclohydrolase activity |
| gtp cyclohydrolase i activity |
| Molecular Function |
| zinc ion binding |
| GTP cyclohydrolase I activity |
| calcium ion binding |
| GTP binding |
| coenzyme binding |
| Process |
| metabolic process |
| cellular aromatic compound metabolic process |
| folic acid and derivative metabolic process |
| tetrahydrofolate biosynthetic process |
| cellular metabolic process |
| folic acid and derivative biosynthetic process |
|
| Cellular Location
|
- Nucleus
- Cytoplasm
|
| Pathways
|
| Name | SMPDB/Pathwhiz | KEGG | | Pterine Biosynthesis |    |  | | 7,8-dihydroneopterin triphosphate biosynthesis | Not Available | Not Available | | Folate biosynthesis | Not Available |  | | Dopa-responsive dystonia |    | Not Available | | Hyperphenylalaniemia due to guanosine triphosphate cyclohydrolase deficiency |    | Not Available |
|
| Gene Properties |
| Chromosome Location
| 14 |
| Locus
| 14q22.1-q22.2 |
| SNPs
| GCH1 |
| Gene Sequence
|
>753 bp
ATGGAGAAGGGCCCTGTGCGGGCACCGGCGGAGAAGCCGCGGGGCGCCAGGTGCAGCAAT
GGGTTCCCCGAGCGGGATCCGCCGCGGCCCGGGCCCAGCAGGCCGGCGGAGAAGCCCCCG
CGGCCCGAGGCCAAGAGCGCGCAGCCCGCGGACGGCTGGAAGGGCGAGCGGCCCCGCAGC
GAGGAGGATAACGAGCTGAACCTCCCTAACCTGGCAGCCGCCTACTCGTCCATCCTGAGC
TCGCTGGGCGAGAACCCCCAGCGGCAAGGGCTGCTCAAGACGCCCTGGAGGGCGGCCTCG
GCCATGCAGTTCTTCACCAAGGGCTACCAGGAGACCATCTCAGATGTCCTAAACGATGCT
ATATTTGATGAAGATCATGATGAGATGGTGATTGTGAAGGACATAGACATGTTTTCCATG
TGTGAGCATCACTTGGTTCCATTTGTTGGAAAGGTCCATATTGGTTATCTTCCTAACAAG
CAAGTCCTTGGCCTCAGCAAACTTGCGAGGATTGTAGAAATCTATAGTAGAAGACTACAA
GTTCAGGAGCGCCTTACAAAACAAATTGCTGTAGCAATCACGGAAGCCTTGCGGCCTGCT
GGAGTCGGGGTAGTGGTTGAAGCAACACACATGTGTATGGTAATGCGAGGTGTACAGAAA
ATGAACAGCAAAACTGTGACCAGCACAATGTTGGGTGTGTTCCGGGAGGATCCAAAGACT
CGGGAAGAGTTCCTGACTCTCATTAGGAGCTGA
|
| Protein Properties |
| Number of Residues
| 250 |
| Molecular Weight
| 27902.855 |
| Theoretical pI
| 8.556 |
| Pfam Domain Function
|
|
| Signals
|
Not Available
|
|
Transmembrane Regions
|
Not Available
|
| Protein Sequence
|
>GTP cyclohydrolase 1
MEKGPVRAPAEKPRGARCSNGFPERDPPRPGPSRPAEKPPRPEAKSAQPADGWKGERPRS
EEDNELNLPNLAAAYSSILSSLGENPQRQGLLKTPWRAASAMQFFTKGYQETISDVLNDA
IFDEDHDEMVIVKDIDMFSMCEHHLVPFVGKVHIGYLPNKQVLGLSKLARIVEIYSRRLQ
VQERLTKQIAVAITEALRPAGVGVVVEATHMCMVMRGVQKMNSKTVTSTMLGVFREDPKT
REEFLTLIRS
|
| External Links |
| GenBank ID Protein
| 19343964 |
| UniProtKB/Swiss-Prot ID
| P30793 |
| UniProtKB/Swiss-Prot Entry Name
| GCH1_HUMAN |
| PDB IDs
|
|
| GenBank Gene ID
| BC025415 |
| GeneCard ID
| GCH1 |
| GenAtlas ID
| GCH1 |
| HGNC ID
| HGNC:4193 |
| References |
| General References
| Not Available |