Reviewed, UniProtKB/Swiss-Prot Q8X6S9 (QUEF_ECO57)

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
    PreQ(0) reductase
    NADPH-dependent nitrile oxidoreductase

Gene names

Name:	queF
Ordered Locus Names:	Z4111, ECs3654

Organism

Escherichia coli O157:H7 [Complete proteome] [HAMAP]

Taxonomic identifier

83334 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	282 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
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.
Catalytic activity	7-aminomethyl-7-carbaguanine + 2 NADP+ = 7-cyano-7-carbaguanine + 2 NADPH. HAMAP MF_00817
Pathway	tRNA modification; queuosine-tRNA biosynthesis. HAMAP MF_00817
Subcellular location	Cytoplasm Probable.
Sequence similarities	Belongs to the GTP cyclohydrolase I family. QueF type 2 subfamily.

Ontologies

Keywords
Biological process	Queuosine biosynthesis
Cellular component	Cytoplasm
Ligand	NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW queuosine biosynthetic process Inferred from electronic annotation. Source: HAMAP tetrahydrofolate biosynthetic process Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	GTP cyclohydrolase I activity Inferred from electronic annotation. Source: InterPro oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor Inferred from electronic annotation. Source: HAMAP queuine 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 – 282	282	NADPH-dependent 7-cyano-7-deazaguanine reductase HAMAP MF_00817		PRO_0000163032

Sequences

	Sequence		Length	Mass (Da)
	Q8X6S9-1 [UniParc]. Last modified November 22, 2005. Version 3. Checksum: 4DD2082C958B05A4	FASTA	282	32,549
	10 20 30 40 50 60 MSSYANHQAL AGLTLGKSTD YRDTYDASLL QGVPRSLNRD PLGLKADNLP FQGTDIWTLY 70 80 90 100 110 120 ELSWLNAKGL PQVAVGHVEL DYTSVNLIES KSFKLYLNSF NQTRFNNWDE VRQTLERDLS 130 140 150 160 170 180 TCAQGEVSVA LYRLDELEGQ PIGHFNGTCI DDQDITIDNY EFTTDYLENA TSGEKVVEET 190 200 210 220 230 240 LVSHLLKSNC LITHQPDWGS IQIQYRGRQI DREKLLRYLV SFRHHNEFHE QCVERIFNDL 250 260 270 280 LRFCQPEKLS VYARYTRRGG LDINPWRSNS DFVPSTTRLV RQ

References

[1]

"Genome sequence of enterohaemorrhagic Escherichia coli O157:H7." Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J., Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G., Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J., Davis N.W. , Lim A., Dimalanta E.T., Potamousis K., Apodaca J., Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A., Blattner F.R. Nature 409:529-533(2001) [PubMed: 11206551] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O157:H7 / EDL933 / ATCC 700927 / EHEC.

[2]

"Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and genomic comparison with a laboratory strain K-12." Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K., Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T., Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T. , Kuhara S., Shiba T., Hattori M., Shinagawa H. DNA Res. 8:11-22(2001) [PubMed: 11258796] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O157:H7 / Sakai / RIMD 0509952 / EHEC.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE005174 Genomic DNA. Translation: AAG57908.1. BA000007 Genomic DNA. Translation: BAB37077.1.
PIR	F91085. H85930.
RefSeq	NP_289349.1. NP_311681.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	916536. 956767.
GenomeReviews	Gene locus Z4111 in contig AE005174_GR. Gene locus ECs3654 in contig BA000007_GR.
KEGG	ece:Z4111. ecs:ECs3654.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q8X6S9.
Enzyme and pathway databases
BioCyc	ECOL83334:ECS3654-MON.
Family and domain databases
HAMAP	MF_00817. [Tree]
InterPro	IPR016428. CN_OxRdtase_NADPH-dep_YqcD. IPR001474. GTP_CycHdrlase_I. [Graphical view]
Pfam	PF01227. GTP_cyclohydroI. 1 hit. [Graphical view]
PIRSF	PIRSF004750. Nitrile_oxidored_YqcD_prd. 1 hit.
TIGRFAMs	TIGR03138. QueF. 1 hit.
ProtoNet	Search...

Entry information

Entry name

QUEF_ECO57

Accession

Primary (citable) accession number: Q8X6S9
Secondary accession number(s): Q7AB72

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 22, 2005
Last sequence update:	November 22, 2005
Last modified:	June 16, 2009
This is version 49 of the entry and version 3 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)