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Rfk Gene Detail
Summary
  • Symbol
    Rfk
  • Name
    riboflavin kinase
  • Synonyms
    0610038L10Rik, ATP:riboflavin 5'-phosphotransferase, flavokinase
  • Feature Type
    protein coding gene
  • IDs
    MGI:1914688
    NCBI Gene: 54391
  • Alliance
  • Transcription Start Sites
    9 TSS
Location &
Maps
more
  • Sequence Map
    Chr19:17371407-17378713 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 19, 12.82 cM, cytoband B
  • Mapping Data
    4 experiments
Strain
Comparison
more
  • SNPs within 2kb
    309 from dbSNP Build 142
  • Strain Annotations
    18
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1914688
protein coding gene Chr19:17371407-17378713 (+)
129S1/SvImJ ENSMUSG00200020115
protein coding gene Chr19:14066171-14073477 (+)
A/J ENSMUSG00195016160
protein coding gene Chr19:14209101-14216409 (+)
AKR/J ENSMUSG00220010471
protein coding gene Chr19:14194381-14201689 (+)
BALB/cJ ENSMUSG00180016772
protein coding gene Chr19:14583310-14590620 (+)
C3H/HeJ ENSMUSG00175003416
protein coding gene Chr19:13917525-13924833 (+)
C57BL/6NJ ENSMUSG00215012694
protein coding gene Chr19:13977624-13984930 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0022801
protein coding gene Chr19:14757419-14764818 (+)
CAST/EiJ ENSTCUG00005008386
protein coding gene Chr19:13819111-13826443 (+)
CBA/J ENSMUSG00210012639
protein coding gene Chr19:14134486-14141806 (+)
DBA/2J ENSMUSG00185013088
protein coding gene Chr19:14544012-14551332 (+)
FVB/NJ ENSMUSG00205003298
protein coding gene Chr19:13982842-13990150 (+)
JF1/MsJ ENSUMUG00000027415
protein coding gene Chr19:14773366-14780688 (+)
LP/J ENSMUSG00230019052
protein coding gene Chr19:15435399-15442707 (+)
NOD/ShiLtJ ENSMUSG00190018726
protein coding gene Chr19:13923917-13931227 (+)
NZO/HlLtJ ENSMUSG00225043710
protein coding gene Chr19:19154098-19161406 (+)
PWK/PhJ ENSLUMG00010008226
protein coding gene Chr19:14103275-14110568 (+)
SPRET/EiJ no annotation
WSB/EiJ ENSIUOG00005006730
protein coding gene Chr19:13650238-13657572 (+)



Homology
more
  • Human Ortholog
    RFK, riboflavin kinase
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    RFK, riboflavin kinase
  • Synonyms
    RIFK
  • Links
    NCBI Gene ID: 55312
    UniProt: Q969G6

  • Chr Location
    9q21.13; chr9:76385526-76394517 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    12 phenotypes from 3 alleles in 3 genetic backgrounds
    12 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Mice homozygous for a knock-out allele die in utero prior to E7.5.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 54391 NCBI Gene Model | MGI Sequence Detail 7307 C57BL/6J ±  kb
    transcript NM_019437 RefSeq | MGI Sequence Detail 2482 C57BL/6  
    polypeptide Q8CFV9 UniProt | EBI | MGI Sequence Detail 155 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 116
      cDNA 116

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGI:2147470
    References
    more
    • Summaries
      All 49
      Developmental Gene Expression 1
      Gene Ontology 15
      Phenotypes 12
    • Earliest
      J:335801 Merrill AH Jr, et al., Preparation of flavin 5'-phosphates using immobilized flavokinase. Methods Enzymol. 1980;66:287-90
    • Latest
      J:376831 Shan X, et al., Riboflavin kinase binds and activates inducible nitric oxide synthase to reprogram macrophage polarization. Redox Biol. 2024 Dec;78:103413

    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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    Funding Information
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    last database update
    09/01/2026
    MGI 6.24
    The Jackson Laboratory