Reviewed, UniProtKB/Swiss-Prot Q5HWX4 (GCH1_CAMJR)

Names and origin

Protein names

Recommended name:
    GTP cyclohydrolase 1
    EC=3.5.4.16
Alternative name(s):
    GTP cyclohydrolase I
      Short name=GTP-CH-I

Gene names

Name:	folE
Ordered Locus Names:	CJE0187

Organism

Campylobacter jejuni (strain RM1221) [Complete proteome] [HAMAP]

Taxonomic identifier

195099 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Epsilonproteobacteria › Campylobacterales › Campylobacteraceae › Campylobacter

Protein attributes

Sequence length	190 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	GTP + H2O = formate + 2-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine triphosphate. HAMAP MF_00223
Pathway	Cofactor biosynthesis; 7,8-dihydroneopterin triphosphate biosynthesis; 7,8-dihydroneopterin triphosphate from GTP: step 1/1. HAMAP MF_00223
Subunit structure	Toroid-shaped homodecamer, composed of two pentamers of five dimers By similarity.
Sequence similarities	Belongs to the GTP cyclohydrolase I family.

Ontologies

Keywords
Biological process	One-carbon metabolism
Ligand	GTP-binding Metal-binding Nucleotide-binding Zinc
Molecular function	Hydrolase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	one-carbon metabolic process Inferred from electronic annotation. Source: HAMAP tetrahydrofolate biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: InterPro
Molecular function	GTP binding Inferred from electronic annotation. Source: UniProtKB-KW GTP cyclohydrolase I activity Inferred from electronic annotation. Source: HAMAP zinc ion binding Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 190	190	GTP cyclohydrolase 1 HAMAP MF_00223		PRO_1000043674
Sites
	Metal binding	75	1	Zinc By similarity
	Metal binding	78	1	Zinc By similarity
	Metal binding	146	1	Zinc By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q5HWX4-1 [UniParc]. Last modified February 15, 2005. Version 1. Checksum: 57728A231F2BFB4C	FASTA	190	21,752
	10 20 30 40 50 60 MQKKFEDCVK TILEIIGENP NREGLIKTPN RVFKAYEFLA SGYTQNVKDI LNDALFESSN 70 80 90 100 110 120 NEMVLVRDIE FYSLCEHHLL PFFGRAHVAY IPNKKVVGLS KIPRLVEVFA RRLQIQEQLT 130 140 150 160 170 180 EQIAQALMEN VDAKGVGVVI EARHMCVEMR GIQKANSTTT TSALRGIFLK NEKTREEFFS 190 LINSAKQVRF

References

[1]

"Major structural differences and novel potential virulence mechanisms from the genomes of multiple Campylobacter species." Fouts D.E., Mongodin E.F., Mandrell R.E., Miller W.G., Rasko D.A., Ravel J., Brinkac L.M., DeBoy R.T., Parker C.T., Daugherty S.C., Dodson R.J., Durkin A.S., Madupu R., Sullivan S.A., Shetty J.U., Ayodeji M.A., Shvartsbeyn A., Schatz M.C. , Badger J.H., Fraser C.M., Nelson K.E. PLoS Biol. 3:72-85(2005) [PubMed: 15660156] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000025 Genomic DNA. Translation: AAW34782.1.
RefSeq	YP_178211.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	Q5HWX4.
Genome annotation databases
GeneID	3230950.
GenomeReviews	Gene locus CJE0187 in contig CP000025_GR.
KEGG	cjr:CJE0187.
NMPDR	fig|195099.3.peg.45.
TIGR	CJE0187.
Phylogenomic databases
HOGENOM	Q5HWX4.
OMA	ARIVEMF.
Enzyme and pathway databases
BioCyc	CJEJ195099:CJE_0187-MON.
Family and domain databases
HAMAP	MF_00223. [Tree]
InterPro	IPR001474. GTP_CycHdrlase_I. IPR020602. GTP_CycHdrlase_I/CN_OxRdtase. IPR018234. GTP_CycHdrlase_I_CS. [Graphical view]
PANTHER	PTHR11109. GTP_cyclohydro_I. 1 hit.
Pfam	PF01227. GTP_cyclohydroI. 1 hit. [Graphical view]
ProDom	PD003330. GTP_cyclohydroI. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR00063. folE. 1 hit.
PROSITE	PS00859. GTP_CYCLOHYDROL_1_1. 1 hit. PS00860. GTP_CYCLOHYDROL_1_2. False negative. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

GCH1_CAMJR

Accession

Primary (citable) accession number: Q5HWX4

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	February 15, 2005
Last modified:	November 3, 2009
This is version 32 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)