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P50141

- GCH1_CHICK

UniProt

P50141 - GCH1_CHICK

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Protein

GTP cyclohydrolase 1

Gene

GCH1

Organism
Gallus gallus (Chicken)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at transcript leveli

Functioni

May positively regulate nitric oxide synthesis in endothelial cells. May be involved in dopamine synthesis. May modify pain sensitivity and persistence (By similarity).By similarity

Catalytic activityi

GTP + H2O = formate + 2-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine triphosphate.

Enzyme regulationi

GTP shows a positive allosteric effect, and tetrahydrobiopterin inhibits the enzyme activity. Zinc is required for catalytic activity. Inhibited by Mg2+ (By similarity).By similarity

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi127 – 1271ZincBy similarity
Metal bindingi130 – 1301ZincBy similarity
Metal bindingi198 – 1981ZincBy similarity

GO - Molecular functioni

  1. GTP binding Source: UniProtKB-KW
  2. GTP cyclohydrolase I activity Source: UniProtKB-EC
  3. metal ion binding Source: UniProtKB-KW

GO - Biological processi

  1. 7,8-dihydroneopterin 3'-triphosphate biosynthetic process Source: UniProtKB-UniPathway
  2. tetrahydrobiopterin biosynthetic process Source: UniProtKB-KW
  3. tetrahydrofolate biosynthetic process Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Hydrolase

Keywords - Biological processi

Tetrahydrobiopterin biosynthesis

Keywords - Ligandi

GTP-binding, Metal-binding, Nucleotide-binding, Zinc

Enzyme and pathway databases

UniPathwayiUPA00848; UER00151.

Names & Taxonomyi

Protein namesi
Recommended name:
GTP cyclohydrolase 1 (EC:3.5.4.16)
Alternative name(s):
GTP cyclohydrolase I
Short name:
GTP-CH-I
Gene namesi
Name:GCH1
OrganismiGallus gallus (Chicken)
Taxonomic identifieri9031 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiTestudines + Archosauria groupArchosauriaDinosauriaSaurischiaTheropodaCoelurosauriaAvesNeognathaeGalliformesPhasianidaePhasianinaeGallus
ProteomesiUP000000539: Unplaced

Subcellular locationi

Cytoplasm By similarity. Nucleus By similarity

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-KW
  2. nucleus Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 236236GTP cyclohydrolase 1PRO_0000119477Add
BLAST

Interactioni

Subunit structurei

Toroid-shaped homodecamer, composed of two pentamers of five dimers.By similarity

Protein-protein interaction databases

STRINGi9031.ENSGALP00000019895.

Structurei

3D structure databases

ProteinModelPortaliP50141.
SMRiP50141. Positions 43-236.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the GTP cyclohydrolase I family.Curated

Phylogenomic databases

eggNOGiCOG0302.
HOGENOMiHOG000221222.
HOVERGENiHBG003136.
InParanoidiP50141.
KOiK01495.
PhylomeDBiP50141.

Family and domain databases

HAMAPiMF_00223. FolE.
InterProiIPR001474. GTP_CycHdrlase_I.
IPR018234. GTP_CycHdrlase_I_CS.
IPR020602. GTP_CycHdrlase_I_dom.
[Graphical view]
PANTHERiPTHR11109. PTHR11109. 1 hit.
PfamiPF01227. GTP_cyclohydroI. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00063. folE. 1 hit.
PROSITEiPS00859. GTP_CYCLOHYDROL_1_1. 1 hit.
PS00860. GTP_CYCLOHYDROL_1_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P50141-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MAAARSCNGY ARREGPPSPK LGTEKPRVSA GSGGSGDGWR GERPRSEEDN
60 70 80 90 100
ELSLPSLAAA YTTILRALGE DPERQGLLKT PWRAATAMQF FTKGYQETIA
110 120 130 140 150
DVLNDAIFDE DHDEMVIVKN IDMFSLCEHH LVPFVGKVHI GYLPNKQVLG
160 170 180 190 200
LSKLARIVEI YSRRLQVQER LTKQIAIAIT EALQPAGVGV VIEATHMCMV
210 220 230
MRGVQKMNSK TATSTMLGVF REDPKTREEF LTLIRS
Length:236
Mass (Da):26,115
Last modified:October 1, 1996 - v1
Checksum:iF235D56B991D8C24
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Z49267 mRNA. Translation: CAA89261.1.
PIRiI50646.
RefSeqiNP_990554.1. NM_205223.1.
UniGeneiGga.674.

Genome annotation databases

GeneIDi396146.
KEGGigga:396146.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Z49267 mRNA. Translation: CAA89261.1 .
PIRi I50646.
RefSeqi NP_990554.1. NM_205223.1.
UniGenei Gga.674.

3D structure databases

ProteinModelPortali P50141.
SMRi P50141. Positions 43-236.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 9031.ENSGALP00000019895.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 396146.
KEGGi gga:396146.

Organism-specific databases

CTDi 2643.

Phylogenomic databases

eggNOGi COG0302.
HOGENOMi HOG000221222.
HOVERGENi HBG003136.
InParanoidi P50141.
KOi K01495.
PhylomeDBi P50141.

Enzyme and pathway databases

UniPathwayi UPA00848 ; UER00151 .

Miscellaneous databases

NextBioi 20816203.
PROi P50141.

Family and domain databases

HAMAPi MF_00223. FolE.
InterProi IPR001474. GTP_CycHdrlase_I.
IPR018234. GTP_CycHdrlase_I_CS.
IPR020602. GTP_CycHdrlase_I_dom.
[Graphical view ]
PANTHERi PTHR11109. PTHR11109. 1 hit.
Pfami PF01227. GTP_cyclohydroI. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR00063. folE. 1 hit.
PROSITEi PS00859. GTP_CYCLOHYDROL_1_1. 1 hit.
PS00860. GTP_CYCLOHYDROL_1_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Homology cloning of GTP-cyclohydrolase I from various unrelated eukaryotes by reverse-transcription polymerase chain reaction using a general set of degenerate primers."
    Maier J., Witter K., Guetlich M., Ziegler I., Werner T., Ninnemann H.
    Biochem. Biophys. Res. Commun. 212:705-711(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Tissue: Liver.

Entry informationi

Entry nameiGCH1_CHICK
AccessioniPrimary (citable) accession number: P50141
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: October 29, 2014
This is version 94 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Allosteric enzyme, Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3