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Q971U9

- RIFK_SULTO

UniProt

Q971U9 - RIFK_SULTO

Protein

Riboflavin kinase

Gene

ribK

Organism
Sulfolobus tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 64 (01 Oct 2014)
      Sequence version 1 (01 Dec 2001)
      Previous versions | rss
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    • Comment

    Functioni

    Catalyzes the CTP-dependent phosphorylation of riboflavin (vitamin B2) to form flavin mononucleotide (FMN).UniRule annotation

    Catalytic activityi

    CTP + riboflavin = CDP + FMN.UniRule annotation

    Cofactori

    Binds 1 magnesium ion per subunit.UniRule annotation

    Pathwayi

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi44 – 441MagnesiumUniRule annotation
    Metal bindingi46 – 461MagnesiumUniRule annotation
    Binding sitei103 – 1031FMNUniRule annotation
    Binding sitei111 – 1111FMNUniRule annotation

    Regions

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Nucleotide bindingi15 – 206CDPUniRule annotation
    Nucleotide bindingi116 – 1194CDPUniRule annotation

    GO - Molecular functioni

    1. magnesium ion binding Source: UniProtKB-HAMAP
    2. nucleotide binding Source: UniProtKB-HAMAP
    3. riboflavin kinase activity Source: InterPro

    GO - Biological processi

    1. FMN biosynthetic process Source: UniProtKB-HAMAP
    2. riboflavin biosynthetic process Source: InterPro

    Keywords - Molecular functioni

    Kinase, Transferase

    Keywords - Ligandi

    Flavoprotein, FMN, Magnesium, Metal-binding, Nucleotide-binding

    Enzyme and pathway databases

    BioCyciSTOK273063:GJC7-1415-MONOMER.
    UniPathwayiUPA00276; UER00929.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Riboflavin kinaseUniRule annotation (EC:2.7.1.161UniRule annotation)
    Short name:
    RFKUniRule annotation
    Alternative name(s):
    CTP-dependent riboflavin kinaseUniRule annotation
    CTP:riboflavin 5'-phosphotransferaseUniRule annotation
    FlavokinaseUniRule annotation
    Gene namesi
    Name:ribKUniRule annotation
    Ordered Locus Names:STK_12800
    OrganismiSulfolobus tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7)
    Taxonomic identifieri273063 [NCBI]
    Taxonomic lineageiArchaeaCrenarchaeotaThermoproteiSulfolobalesSulfolobaceaeSulfolobus
    ProteomesiUP000001015: Chromosome

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 136136Riboflavin kinasePRO_0000322080Add
    BLAST

    Interactioni

    Protein-protein interaction databases

    STRINGi273063.ST1280.

    Structurei

    3D structure databases

    ProteinModelPortaliQ971U9.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the archaeal riboflavin kinase family.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG1339.
    HOGENOMiHOG000015512.
    KOiK07732.
    OMAiTPYKNKF.

    Family and domain databases

    Gene3Di2.40.30.30. 1 hit.
    HAMAPiMF_01285. Riboflavin_kinase.
    InterProiIPR023470. Riboflavin_kinase_archaeal.
    IPR015865. Riboflavin_kinase_bac/euk.
    IPR023602. Riboflavin_kinase_CTP-dep.
    IPR023465. Riboflavin_kinase_domain.
    [Graphical view]
    PfamiPF01982. CTP-dep_RFKase. 1 hit.
    [Graphical view]
    SUPFAMiSSF82114. SSF82114. 1 hit.

    Sequencei

    Sequence statusi: Complete.

    Q971U9-1 [UniParc]FASTAAdd to Basket

    « Hide

    MRTKILHIKG KVTAGLGEGR IFLSIPYYIE SFKKYLGFEP YAGTLNIVIY    50
    DRISLENRLI LDLAKGIIIP EHKEPNRVLG SVKAFPSSIN SISPAAIVIP 100
    ARTTHPKSVI EIISPYYLRE KLSLKDGDEV EIEVYL 136
    Length:136
    Mass (Da):15,284
    Last modified:December 1, 2001 - v1
    Checksum:i0FFCB18C7770D092
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    BA000023 Genomic DNA. Translation: BAB66321.1.
    RefSeqiNP_377212.1. NC_003106.2.

    Genome annotation databases

    EnsemblBacteriaiBAB66321; BAB66321; STK_12800.
    GeneIDi1459279.
    KEGGisto:ST1280.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    BA000023 Genomic DNA. Translation: BAB66321.1 .
    RefSeqi NP_377212.1. NC_003106.2.

    3D structure databases

    ProteinModelPortali Q971U9.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 273063.ST1280.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai BAB66321 ; BAB66321 ; STK_12800 .
    GeneIDi 1459279.
    KEGGi sto:ST1280.

    Phylogenomic databases

    eggNOGi COG1339.
    HOGENOMi HOG000015512.
    KOi K07732.
    OMAi TPYKNKF.

    Enzyme and pathway databases

    UniPathwayi UPA00276 ; UER00929 .
    BioCyci STOK273063:GJC7-1415-MONOMER.

    Family and domain databases

    Gene3Di 2.40.30.30. 1 hit.
    HAMAPi MF_01285. Riboflavin_kinase.
    InterProi IPR023470. Riboflavin_kinase_archaeal.
    IPR015865. Riboflavin_kinase_bac/euk.
    IPR023602. Riboflavin_kinase_CTP-dep.
    IPR023465. Riboflavin_kinase_domain.
    [Graphical view ]
    Pfami PF01982. CTP-dep_RFKase. 1 hit.
    [Graphical view ]
    SUPFAMi SSF82114. SSF82114. 1 hit.
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: DSM 16993 / JCM 10545 / NBRC 100140 / 7.

    Entry informationi

    Entry nameiRIFK_SULTO
    AccessioniPrimary (citable) accession number: Q971U9
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: February 26, 2008
    Last sequence update: December 1, 2001
    Last modified: October 1, 2014
    This is version 64 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    2. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3