<Entry>
<Accession>Q6NVA8</Accession>
        <ProteinName>GTP</ProteinName>
        <GeneName>gchfr</GeneName>
        <OS_id>8364</OS_id>
        <ReferenceProteome>None</ReferenceProteome>
        <SubcellularLocation>
<Location>SL-0178</Location>
<Location>SL-0182</Location>
<Comments>Nucleus {ECO:0000250}. Nucleus membrane {ECO:0000250}. Cytoplasm, cytosol {ECO:0000250}.</Comments>
</SubcellularLocation>
<CrossReferences>
<CrossReference>
<Database>UNIPROT</Database>
<ID>Q6NVA8</ID>
</CrossReference>
<CrossReference>
<Database>UNIPROT</Database>
<ID>Q28DT4</ID>
</CrossReference>
<CrossReference>
<Database>Pfam</Database>
<ID>PF06399</ID>
</CrossReference>
</CrossReferences>
<Function>Mediates tetrahydrobiopterin inhibition of GTP cyclohydrolase 1. {ECO:0000250}.</Function>
<OntologyTerms>
<Ontology>GO:0005737</Ontology>
<Ontology>GO:0005829</Ontology>
<Ontology>GO:0031965</Ontology>
<Ontology>GO:0005634</Ontology>
<Ontology>GO:0044549</Ontology>
<Ontology>GO:0009890</Ontology>
<Ontology>GO:0043105</Ontology>
</OntologyTerms>
<Topology>
        <Type>Unknown</Type>
        <Source>UniProt</Source>
        <Annotation>Sequence Analysis</Annotation>
        </Topology>
<Sequence>MPYVLISTQIRMETGPTIVGDEFSDTQLMAQLEADKRTVLGNNFSEYCVNEPPRVTLNKLEKLGYRVVSMTGVGQTLVWCLHKE</Sequence>
        <SequenceLength>84</SequenceLength>
        </Entry>