Reviewed, UniProtKB/Swiss-Prot A4SPE8 (GCH1_AERS4)

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:	ASA_2752

Organism

Aeromonas salmonicida (strain A449) [Complete proteome] [HAMAP]

Taxonomic identifier

382245 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Aeromonadales › Aeromonadaceae › Aeromonas

Protein attributes

Sequence length	218 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 – 218	218	GTP cyclohydrolase 1 HAMAP MF_00223		PRO_1000043655
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)
	A4SPE8-1 [UniParc]. Last modified May 15, 2007. Version 1. Checksum: C0B850EC3102FCFB	FASTA	218	24,064
	10 20 30 40 50 60 MTSLSQEALL VRAALEAEGL ETPLVANALN GQQKKEKIEG HMRAIMETLG LDLTDDSLAE 70 80 90 100 110 120 TPHRIAKMYV NEIFSGLDYS TFPKVTVIEN KMKVDEMIMV RDISLTSTCE HHFVTIDGLA 130 140 150 160 170 180 HVAYIPRGKV IGLSKINRIV QFFARRPQVQ ERLTQQILLA LQTLLGTKDV AISIKATHFC 190 200 210 VKARGVMDST SYTTTTSLGG VFKTQPDTRA EFLGGLKG

References

[1]

"The genome sequence of Aeromonas salmonicida subsp. salmonicida A449." Reith M.E., Singh R.K., Curtis B., Boyd J., Bouevitch A., Kimball J., Munholland J., Murphy C., Sarty D., Williams J., Nash J., Johnson S., Brown L. Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000644 Genomic DNA. Translation: ABO90770.1.
RefSeq	YP_001142518.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	A4SPE8.
Genome annotation databases
GeneID	4995848.
GenomeReviews	Gene locus ASA_2752 in contig CP000644_GR.
KEGG	asa:ASA_2752.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	YLPRKNI.
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_AERS4

Accession

Primary (citable) accession number: A4SPE8

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 15, 2008
Last sequence update:	May 15, 2007
Last modified:	November 3, 2009
This is version 21 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)