Incidental Mutation 'R1193:Rfk'
ID 100965
Institutional Source Beutler Lab
Gene Symbol Rfk
Ensembl Gene ENSMUSG00000024712
Gene Name riboflavin kinase
Synonyms flavokinase, ATP:riboflavin 5'-phosphotransferase, 0610038L10Rik
MMRRC Submission 039265-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1193 (G1)
Quality Score 225
Status Not validated
Chromosome 19
Chromosomal Location 17371407-17378713 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 17372685 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Proline to Leucine at position 69 (P69L)
Ref Sequence ENSEMBL: ENSMUSP00000025617 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025617]
AlphaFold Q8CFV9
Predicted Effect probably damaging
Transcript: ENSMUST00000025617
AA Change: P69L

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000025617
Gene: ENSMUSG00000024712
AA Change: P69L

DomainStartEndE-ValueType
Flavokinase 1 131 5.68e-42 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136162
Predicted Effect noncoding transcript
Transcript: ENSMUST00000146171
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 97.8%
  • 10x: 94.5%
  • 20x: 86.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Riboflavin kinase (RFK; EC 2.7.1.26) is an essential enzyme that catalyzes the phosphorylation of riboflavin (vitamin B2) to form flavin mononucleotide (FMN), an obligatory step in vitamin B2 utilization and flavin cofactor synthesis (Karthikeyan et al., 2003 [PubMed 12623014]).[supplied by OMIM, Nov 2009]
PHENOTYPE: Mice homozygous for a knock-out allele die in utero prior to E7.5. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 20 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actl6a A G 3: 32,766,293 (GRCm39) D49G probably benign Het
D6Ertd527e C G 6: 87,088,506 (GRCm39) T223S unknown Het
Dna2 C T 10: 62,784,966 (GRCm39) R28W probably benign Het
Gpm6a A T 8: 55,500,268 (GRCm39) probably null Het
Nrbp1 T A 5: 31,403,157 (GRCm39) I210N probably damaging Het
Nudt5 G A 2: 5,868,411 (GRCm39) S103N probably benign Het
Or5an9 A T 19: 12,187,803 (GRCm39) Y291F probably damaging Het
Or6z3 A G 7: 6,463,715 (GRCm39) N69S probably benign Het
Pds5a G T 5: 65,795,145 (GRCm39) A697E probably damaging Het
Pik3ca A G 3: 32,510,242 (GRCm39) D806G probably damaging Het
Rars1 C T 11: 35,700,153 (GRCm39) A548T possibly damaging Het
Shf G A 2: 122,199,163 (GRCm39) P51S probably damaging Het
Sp4 C T 12: 118,262,981 (GRCm39) R355H possibly damaging Het
Tcaim T C 9: 122,647,895 (GRCm39) Y137H probably damaging Het
Tenm2 C T 11: 35,954,004 (GRCm39) G1236R possibly damaging Het
Tmem150c T C 5: 100,231,451 (GRCm39) T175A probably damaging Het
Twnk A G 19: 44,996,229 (GRCm39) K221E probably damaging Het
Vmn2r67 T C 7: 84,800,653 (GRCm39) K428E probably damaging Het
Vmn2r82 T A 10: 79,213,739 (GRCm39) Y108* probably null Het
Wwox G A 8: 115,406,614 (GRCm39) V202M probably benign Het
Other mutations in Rfk
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00777:Rfk APN 19 17,372,700 (GRCm39) missense probably benign
IGL03124:Rfk APN 19 17,375,959 (GRCm39) missense possibly damaging 0.53
PIT4544001:Rfk UTSW 19 17,372,708 (GRCm39) missense probably damaging 1.00
R2360:Rfk UTSW 19 17,375,960 (GRCm39) missense probably benign 0.01
R3692:Rfk UTSW 19 17,376,834 (GRCm39) splice site probably null
R4151:Rfk UTSW 19 17,372,672 (GRCm39) missense probably benign 0.03
R4428:Rfk UTSW 19 17,375,959 (GRCm39) missense possibly damaging 0.53
R5072:Rfk UTSW 19 17,375,963 (GRCm39) missense possibly damaging 0.79
R5121:Rfk UTSW 19 17,376,930 (GRCm39) missense probably damaging 1.00
R5469:Rfk UTSW 19 17,372,566 (GRCm39) missense probably damaging 1.00
R5715:Rfk UTSW 19 17,376,002 (GRCm39) missense probably benign 0.00
R5851:Rfk UTSW 19 17,372,562 (GRCm39) missense probably damaging 1.00
R6050:Rfk UTSW 19 17,376,896 (GRCm39) missense probably benign 0.23
R7658:Rfk UTSW 19 17,376,046 (GRCm39) critical splice donor site probably null
R8863:Rfk UTSW 19 17,372,590 (GRCm39) missense probably benign 0.08
Predicted Primers PCR Primer
(F):5'- AGGGTCTCGCTCTGTTTCCAAAGG -3'
(R):5'- CAGTTAGCATACAGCCCAGGCTAC -3'

Sequencing Primer
(F):5'- AACCTGTGCTGTCTGAAGAG -3'
(R):5'- ttgaattacgatctctctagtagtcc -3'
Posted On 2014-01-15