Protein: GCH1
GTP cyclohydrolase 1 (EC 3.5.4.16) (GTP cyclohydrolase I)

Gene: GCH1
Organism: Arabidopsis thaliana
Interactions: 5
UniProt ID: Q9SFV7

Gene Ontology (top 5):
GO:0003934 - GTP cyclohydrolase I activity
GO:0005525 - GTP binding
GO:0006729 - tetrahydrobiopterin biosynthetic process
GO:0046654 - tetrahydrofolate biosynthetic process
GO:0046656 - folic acid biosynthetic process

Download interactions: TXT   MITAB-2.5

Interaction Interactor Experiments Homologs Category Interaction
Score
Confidence

1456427

GCH1
GTP cyclohydrolase 1

1

7

High-throughput

0.698

High

265167

NPY4
Phototropic-responsive NPH3 family protein NPY4

1

1

High-throughput

0.494

High

1422835

Q9C941
At1g52770

1

1

High-throughput

0.494

High

1372788

PDF2
Homeobox-leucine zipper protein PROTODERMAL FACTOR 2

1

0

High-throughput

0.282

High


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Last updated: 11Aug2025