Q3APR5 (QUEF_CHLCH) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
NADPH-dependent 7-cyano-7-deazaguanine reductase
EC=1.7.1.13

Alternative name(s):
7-cyano-7-carbaguanine reductase
NADPH-dependent nitrile oxidoreductase
PreQ(0) reductase

Gene names

Name:	queF
Ordered Locus Names:	Cag_1759

Organism

Chlorobium chlorochromatii (strain CaD3) [Complete proteome] [HAMAP]

Taxonomic identifier

340177 [NCBI]

Taxonomic lineage

Bacteria › Chlorobi › Chlorobia › Chlorobiales › Chlorobiaceae › Chlorobium/Pelodictyon group › Chlorobium

Protein attributes

Sequence length	116 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Catalyzes the NADPH-dependent reduction of 7-cyano-7-deazaguanine (preQ0) to 7-aminomethyl-7-deazaguanine (preQ1) By similarity. HAMAP MF_00818
Catalytic activity	7-aminomethyl-7-carbaguanine + 2 NADP+ = 7-cyano-7-carbaguanine + 2 NADPH. HAMAP MF_00818
Pathway	tRNA modification; tRNA-queuosine biosynthesis. HAMAP MF_00818
Subcellular location	Cytoplasm Probable HAMAP MF_00818.
Sequence similarities	Belongs to the GTP cyclohydrolase I family. QueF type 1 subfamily.

Ontologies

Keywords
Biological process	Queuosine biosynthesis
Cellular component	Cytoplasm
Ligand	NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	queuosine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor Inferred from electronic annotation. Source: InterPro preQ1 synthase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 116	116	NADPH-dependent 7-cyano-7-deazaguanine reductase HAMAP MF_00818		PRO_0000247680

Sequences

	Sequence		Length	Mass (Da)
	Q3APR5 [UniParc]. Last modified November 22, 2005. Version 1. Checksum: E0F54790942B3E34	FASTA	116	13,455
	10 20 30 40 50 60 MKLEILESFE NKYPNRDYTI EIVNPEFTSV CPITGLPDFG TITIRYVPNQ RCVELKSLKY 70 80 90 100 110 YFFEFRNAGI FYENITNKVL DDMVALLEPR SISVITEWKA RGGITETVSV HYTSQS

References

[1]

"Complete sequence of Chlorobium chlorochromatii CaD3." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F., Land M., Kyrpides N., Ivanova N., Richardson P. Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: CaD3.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000108 Genomic DNA. Translation: ABB29010.1.
RefSeq	YP_380053.1. NC_007514.1.
3D structure databases
ProteinModelPortal	Q3APR5.
ModBase	Search...
Protein-protein interaction databases
STRING	Q3APR5.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	3746892.
GenomeReviews	Gene locus Cag_1759 in contig CP000108_GR.
KEGG	cch:Cag_1759.
PATRIC	21371284. VBIChlChl46571_1836.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0780.
HOGENOM	HBG294103.
OMA	FRNAGIF.
ProtClustDB	PRK13258.
Enzyme and pathway databases
BioCyc	CCHL340177:CAG_1759-MONOMER.
Family and domain databases
HAMAP	MF_00818. QueF_type1. [Tree]
InterPro	IPR016856. CN_OxRdtase_NADPH-dep_QueF. IPR020602. GTP_CycHdrlase_I/CN_OxRdtase. [Graphical view]
KO	K09457.
Pfam	PF01227. GTP_cyclohydroI. 1 hit. [Graphical view]
PIRSF	PIRSF027377. Nitrile_oxidored_QueF. 1 hit.
TIGRFAMs	TIGR03139. QueF-II. 1 hit.
ProtoNet	Search...

Entry information

Entry name

QUEF_CHLCH

Accession

Primary (citable) accession number: Q3APR5

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 25, 2006
Last sequence update:	November 22, 2005
Last modified:	January 25, 2012
This is version 51 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program