B5Z7T2 (GCH1_HELPG) Reviewed, UniProtKB/Swiss-Prot

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:	HPG27_877

Organism

Helicobacter pylori (strain G27) [Complete proteome] [HAMAP]

Taxonomic identifier

563041 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Epsilonproteobacteria › Campylobacterales › Helicobacteraceae › Helicobacter

Protein attributes

Sequence length	180 AA.
Sequence status	Complete.
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	Homopolymer By similarity. HAMAP MF_00223
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: UniProtKB-KW tetrahydrofolate biosynthetic process Inferred from electronic annotation. Source: InterPro
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: EC metal 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 – 180	180	GTP cyclohydrolase 1 HAMAP MF_00223		PRO_1000100176
Sites
	Metal binding	71	1	Zinc By similarity
	Metal binding	74	1	Zinc By similarity
	Metal binding	142	1	Zinc By similarity

Sequences

	Sequence		Length	Mass (Da)
	B5Z7T2 [UniParc]. Last modified November 25, 2008. Version 1. Checksum: 57413C261E13F82A	FASTA	180	20,861
	10 20 30 40 50 60 MENFFNQFFE NIGEDKNREG LKETPKRVQE LWKFLYKGYK EDPKVALKSA YFQGVCDEMI 70 80 90 100 110 120 VAQNIEFYST CEHHLLPFFG NISVGYIPKE KIVGISAIAK LIEIYSKRLQ IQERLTTQIA 130 140 150 160 170 180 ETFDEIIEPR GVIVVCEAKH LCMSMQGVQK QNAIIKTSVL RGLFKKDPKT RAEFMQLLKS

References

[1]

"The complete genome sequence of Helicobacter pylori strain G27." Baltrus D.A., Amieva M.R., Covacci A., Lowe T.M., Merrell D.S., Ottemann K.M., Stein M., Salama N.R., Guillemin K. J. Bacteriol. 191:447-448(2009) [PubMed: 18952803] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: G27.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP001173 Genomic DNA. Translation: ACI27631.1.
RefSeq	YP_002266497.1. NC_011333.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	B5Z7T2.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	6963770.
GenomeReviews	Gene locus HPG27_877 in contig CP001173_GR.
KEGG	hpg:HPG27_877.
PATRIC	20599784. VBIHelPyl113476_0944.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG370191.
OMA	CEAKHLC.
ProtClustDB	PRK09347.
Family and domain databases
HAMAP	MF_00223. FolE. [Tree]
InterPro	IPR001474. GTP_CycHdrlase_I. IPR020602. GTP_CycHdrlase_I/CN_OxRdtase. IPR018234. GTP_CycHdrlase_I_CS. [Graphical view]
KO	K01495.
PANTHER	PTHR11109. GTP_cyclohydro_I. 1 hit.
Pfam	PF01227. GTP_cyclohydroI. 1 hit. [Graphical view]
TIGRFAMs	TIGR00063. FolE. 1 hit.
PROSITE	PS00859. GTP_CYCLOHYDROL_1_1. 1 hit. PS00860. GTP_CYCLOHYDROL_1_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

GCH1_HELPG

Accession

Primary (citable) accession number: B5Z7T2

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 24, 2009
Last sequence update:	November 25, 2008
Last modified:	January 25, 2012
This is version 26 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program