Reviewed, UniProtKB/Swiss-Prot Q7VRX3 (GCH1_BLOFL)

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:	Bfl472

Organism

Blochmannia floridanus [Complete proteome] [HAMAP]

Taxonomic identifier

203907 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › ant endosymbionts › Candidatus Blochmannia

Protein attributes

Sequence length	221 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 – 221	221	GTP cyclohydrolase 1 HAMAP MF_00223		PRO_0000119394
Sites
	Metal binding	109	1	Zinc By similarity
	Metal binding	112	1	Zinc By similarity
	Metal binding	180	1	Zinc By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q7VRX3-1 [UniParc]. Last modified October 1, 2003. Version 1. Checksum: BBCCF99215621157	FASTA	221	25,164
	10 20 30 40 50 60 MSTLTQEALL VRNALLLQGL ENPIIDLNID DKIRMNCIES HMISIMHLLK LNLNHDSLLN 70 80 90 100 110 120 TPKRVAKMYV EEIFSGLDYL NFPKITIIAN TMQISEMITV RNINITSVCE HHFIIFNGKA 130 140 150 160 170 180 TVSYIPRKSV IGLSKINKIV EFFSKRPQLQ ERLTQQIFLA LQTLLNTNNV AIFINAVHYC 190 200 210 220 VKARGIHDMT STTNTTALGG LFKSNKSIRK EFLHTITYCN S

References

[1]

"The genome sequence of Blochmannia floridanus: comparative analysis of reduced genomes." Gil R., Silva F.J., Zientz E., Delmotte F., Gonzalez-Candelas F., Latorre A., Rausell C., Kamerbeek J., Gadau J., Hoelldobler B., van Ham R.C.H.J., Gross R., Moya A. Proc. Natl. Acad. Sci. U.S.A. 100:9388-9393(2003) [PubMed: 12886019] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	BX248583 Genomic DNA. Translation: CAD83161.1.
RefSeq	NP_878755.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	Q7VRX3.
Genome annotation databases
GeneID	1499672.
GenomeReviews	Gene locus Bfl472 in contig BX248583_GR.
KEGG	bfl:Bfl472.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q7VRX3.
OMA	RSRQEFF.
Enzyme and pathway databases
BioCyc	CBLO203907:BFL472-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. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

GCH1_BLOFL

Accession

Primary (citable) accession number: Q7VRX3

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 16, 2004
Last sequence update:	October 1, 2003
Last modified:	November 3, 2009
This is version 42 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)