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Q8ZVR7 (RIFK_PYRAE) Reviewed, UniProtKB/Swiss-Prot

Last modified November 16, 2011. Version 53. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Riboflavin kinase

Short name=RFK
EC=2.7.1.161
Alternative name(s):
CTP-dependent riboflavin kinase
CTP:riboflavin 5'-phosphotransferase
Flavokinase
Gene names
Name:ribK
Ordered Locus Names:PAE2157
OrganismPyrobaculum aerophilum (strain ATCC 51768 / IM2 / DSM 7523 / JCM 9630 / NBRC 100827)
Taxonomic identifier178306 [NCBI]
Taxonomic lineageArchaeaCrenarchaeotaThermoproteiThermoprotealesThermoproteaceaePyrobaculum

Protein attributes

Sequence length210 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalyzes the CTP-dependent phosphorylation of riboflavin (vitamin B2) to form flavin mononucleotide (FMN) By similarity. HAMAP MF_01285

Catalytic activity

CTP + riboflavin = CDP + FMN. HAMAP MF_01285

Cofactor

Binds 1 magnesium ion per subunit By similarity. HAMAP MF_01285

Pathway

Cofactor biosynthesis; FMN biosynthesis; FMN from riboflavin (CTP route): step 1/1. HAMAP MF_01285

Sequence similarities

Belongs to the archaeal riboflavin kinase family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 210210Riboflavin kinase HAMAP MF_01285
PRO_0000322099

Regions

Nucleotide binding91 – 966CDP By similarity
Nucleotide binding190 – 1934CDP By similarity
Region1 – 8181H-T-H motif-like HAMAP MF_01285
Region82 – 210129Riboflavin kinase HAMAP MF_01285

Sites

Metal binding1201Magnesium By similarity
Metal binding1221Magnesium By similarity
Binding site1771FMN By similarity
Binding site1851FMN By similarity

Sequences

Sequence LengthMass (Da)Tools
Q8ZVR7 [UniParc].

Last modified March 1, 2002. Version 1.
Checksum: 7E4D8285922A5950

FASTA21023,377
        10         20         30         40         50         60 
MECKERRLIG DLIALSYVEG LPVAEAAKRL CVTRQGLYKL LKQLRNEGYV AEGPLIKITQ 

        70         80         90        100        110        120 
KGRDLLSSVL RDLLRYFNIA SIRLIGRVIS GLGEGAFYIS LEGYRRAIEE KLGFTPFPGT 

       130        140        150        160        170        180 
LNIKLDPQYL PYRRYLDGLP GIVIPGFTNG LRTYGGVKAF KAKINGVEGA VVMPERTHHP 

       190        200        210 
TDVIEIIAPV KLRDALNLKD GDIVEVEILL 

« Hide

References

[1]"Genome sequence of the hyperthermophilic crenarchaeon Pyrobaculum aerophilum."
Fitz-Gibbon S.T., Ladner H., Kim U.-J., Stetter K.O., Simon M.I., Miller J.H.
Proc. Natl. Acad. Sci. U.S.A. 99:984-989(2002) [PubMed: 11792869] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 51768 / IM2 / DSM 7523 / JCM 9630 / NBRC 100827.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE009441 Genomic DNA. Translation: AAL63989.1.
RefSeqNP_559807.1. NC_003364.1.

3D structure databases

ProteinModelPortalQ8ZVR7.
ModBaseSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID1464322.
GenomeReviewsGene locus PAE2157 in contig AE009441_GR.
KEGGpai:PAE2157.
NMPDRfig|178306.1.peg.1497.

Phylogenomic databases

HOGENOMHBG553349.
OMAMPERTHH.
ProtClustDBCLSK631895.

Enzyme and pathway databases

BioCycPAER178306:PAE2157-MONOMER.

Family and domain databases

HAMAPMF_01285. Riboflavin_kinase. Fused.
[Tree]
InterProIPR023470. Riboflavin_kinase_archaeal.
IPR023602. Riboflavin_kinase_CTP-dep.
IPR023465. Riboflavin_kinase_domain.
IPR011991. WHTH_trsnscrt_rep_DNA-bd.
[Graphical view]
Gene3DG3DSA:2.40.30.30. Riboflavin_kinase. 1 hit.
G3DSA:1.10.10.10. Wing_hlx_DNA_bd. 1 hit.
KOK07732.
PfamPF01982. CTP-dep_RFKase. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameRIFK_PYRAE
AccessionPrimary (citable) accession number: Q8ZVR7
Entry history
Integrated into UniProtKB/Swiss-Prot: February 26, 2008
Last sequence update: March 1, 2002
Last modified: November 16, 2011
This is version 53 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families