Reviewed, UniProtKB/Swiss-Prot Q89IW2 (GCH1_BRAJA)

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:	bll5522

Organism

Bradyrhizobium japonicum [Complete proteome] [HAMAP]

Taxonomic identifier

375 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Bradyrhizobiaceae › Bradyrhizobium

Protein attributes

Sequence length	229 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; dihydroneopterin triphosphate biosynthesis; 2-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl)-dihydropteridine 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 compound 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 – 229	229	GTP cyclohydrolase 1 HAMAP MF_00223		PRO_0000119389
Sites
	Metal binding	118	1	Zinc By similarity
	Metal binding	121	1	Zinc By similarity
	Metal binding	189	1	Zinc By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q89IW2-1 [UniParc]. Last modified June 1, 2003. Version 1. Checksum: 0D27E16783188A51	FASTA	229	25,543
	10 20 30 40 50 60 MDATIKSIRP SKPSDRQPES RPAELDPAEF LAAAVRADQP RPARAQAEAA VKTLLAYIGE 70 80 90 100 110 120 NTEREGLLDT PRRVVEAFDE LYQGYHQCPA EVLDRTFGET AGYDDFVLVR DIEFTSQCEH 130 140 150 160 170 180 HMMPFYGKAH IAYTPVERVV GLSKLARLTD IFARRLQTQE HLTAQIAAAI DEVLKPRGVA 190 200 210 220 VLIEAEHTCM SVRGVAKHGA STFTSRFTGM FRDNPAEQAR FLSLVRGTR

References

[1]

"Complete genomic sequence of nitrogen-fixing symbiotic bacterium Bradyrhizobium japonicum USDA110." Kaneko T., Nakamura Y., Sato S., Minamisawa K., Uchiumi T., Sasamoto S., Watanabe A., Idesawa K., Iriguchi M., Kawashima K., Kohara M., Matsumoto M., Shimpo S., Tsuruoka H., Wada T., Yamada M., Tabata S. DNA Res. 9:189-197(2002) [PubMed: 12597275] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: USDA 110.

Cross-references

Sequence databases
EMBLGenBankDDBJ	BA000040 Genomic DNA. Translation: BAC50787.1.
RefSeq	NP_772162.1.
3D structure databases
HSSP	HSSP built from PDB template 1IS8 based on UniProtKB P22288.
ModBase	Search...
Genome annotation databases
GeneID	1051113.
GenomeReviews	Gene locus bll5522 in contig BA000040_GR.
KEGG	bja:bll5522.
NMPDR	fig|224911.1.peg.5522.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q89IW2.
OMA	Q89IW2. IQERLTT.
Enzyme and pathway databases
BioCyc	BJAP224911:BLL5522-MON.
BRENDA	3.5.4.16. 280.
Family and domain databases
HAMAP	MF_00223. [Tree]
InterPro	IPR001474. GTP_CycHdrlase_I. 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_BRAJA

Accession

Primary (citable) accession number: Q89IW2

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 16, 2004
Last sequence update:	June 1, 2003
Last modified:	June 16, 2009
This is version 44 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)