Incidental Mutation 'R5747:Fdft1'
ID 445836
Institutional Source Beutler Lab
Gene Symbol Fdft1
Ensembl Gene ENSMUSG00000021273
Gene Name farnesyl diphosphate farnesyl transferase 1
Synonyms squalene synthase, SQS, Ss
MMRRC Submission 043354-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5747 (G1)
Quality Score 225
Status Validated
Chromosome 14
Chromosomal Location 63382599-63417027 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 63384288 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 388 (S388P)
Ref Sequence ENSEMBL: ENSMUSP00000153671 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000006235] [ENSMUST00000054963] [ENSMUST00000224625]
AlphaFold P53798
Predicted Effect probably benign
Transcript: ENSMUST00000006235
SMART Domains Protein: ENSMUSP00000006235
Gene: ENSMUSG00000021939

DomainStartEndE-ValueType
signal peptide 1 17 N/A INTRINSIC
Pfam:Propeptide_C1 26 65 5.4e-22 PFAM
Pept_C1 80 329 1.12e-97 SMART
Predicted Effect probably damaging
Transcript: ENSMUST00000054963
AA Change: S388P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000055313
Gene: ENSMUSG00000021273
AA Change: S388P

DomainStartEndE-ValueType
Pfam:SQS_PSY 47 320 2.1e-42 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000224625
AA Change: S388P

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000225540
Meta Mutation Damage Score 0.3803 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.9%
Validation Efficiency 100% (54/54)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a membrane-associated enzyme located at a branch point in the mevalonate pathway. The encoded protein is the first specific enzyme in cholesterol biosynthesis, catalyzing the dimerization of two molecules of farnesyl diphosphate in a two-step reaction to form squalene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a null mutation die around E9.5-10.5. Conditional homozygous null in which the gene is deleted specifically in oligodendrocyte and Schwann cell display dysmyelination of spinal cord and brain white matter, and showed ataxia and tremor. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adgrb3 A T 1: 25,865,643 (GRCm39) Y67N probably damaging Het
Akap8l T C 17: 32,564,352 (GRCm39) T12A probably damaging Het
Anapc1 A G 2: 128,466,836 (GRCm39) V1620A probably benign Het
Ank2 A G 3: 126,735,400 (GRCm39) probably benign Het
Ankrd34c C T 9: 89,611,814 (GRCm39) V176M possibly damaging Het
Arhgap39 C T 15: 76,625,735 (GRCm39) D190N possibly damaging Het
Cbl A G 9: 44,112,416 (GRCm39) L93P probably damaging Het
Crebl2 C T 6: 134,828,103 (GRCm39) L92F probably damaging Het
Dclre1a A G 19: 56,529,964 (GRCm39) V791A probably damaging Het
Dzip1l T A 9: 99,521,862 (GRCm39) probably null Het
Echs1 T C 7: 139,691,725 (GRCm39) probably benign Het
Eif1ad16 C T 12: 87,985,366 (GRCm39) C59Y possibly damaging Het
Epha4 A G 1: 77,483,520 (GRCm39) I163T probably damaging Het
Gbx2 A G 1: 89,856,437 (GRCm39) S318P probably damaging Het
Gkn1 T A 6: 87,323,319 (GRCm39) T165S probably benign Het
Gm10549 C A 18: 33,597,358 (GRCm39) probably benign Het
Gm10801 G C 2: 98,494,352 (GRCm39) R143T possibly damaging Het
Gm5093 T G 17: 46,750,916 (GRCm39) E37A possibly damaging Het
Gm527 A T 12: 64,967,620 (GRCm39) N14I probably damaging Het
Gnaz C T 10: 74,827,235 (GRCm39) probably benign Het
Grik2 T C 10: 49,399,870 (GRCm39) T287A probably benign Het
Gtf2h4 T C 17: 35,981,273 (GRCm39) Y220C possibly damaging Het
Igkv8-28 T C 6: 70,121,141 (GRCm39) E2G probably benign Het
Itgbl1 T A 14: 124,209,576 (GRCm39) Y318* probably null Het
Kcnh5 T C 12: 74,945,194 (GRCm39) E685G probably benign Het
Kctd18 A T 1: 58,001,183 (GRCm39) probably benign Het
Ldhal6b A C 17: 5,468,094 (GRCm39) V280G probably damaging Het
Ldhd T C 8: 112,355,703 (GRCm39) T182A probably damaging Het
Lman2l T C 1: 36,464,038 (GRCm39) D272G possibly damaging Het
Lrrc63 T C 14: 75,363,904 (GRCm39) T76A probably benign Het
Map3k3 A G 11: 106,041,236 (GRCm39) T402A probably benign Het
Mdga1 C T 17: 30,069,525 (GRCm39) D174N probably benign Het
Mob4 A G 1: 55,187,737 (GRCm39) M68V probably damaging Het
Or1j15 A T 2: 36,458,979 (GRCm39) Y123F probably damaging Het
Rassf8 A G 6: 145,761,541 (GRCm39) E289G probably benign Het
Rnf17 T C 14: 56,703,276 (GRCm39) probably null Het
Rp9 A G 9: 22,359,960 (GRCm39) probably benign Het
Rrm2b T C 15: 37,927,634 (GRCm39) Q92R probably benign Het
Sema6d C T 2: 124,506,867 (GRCm39) P879S probably damaging Het
Slc27a2 T A 2: 126,406,658 (GRCm39) M114K probably benign Het
Slc4a5 T A 6: 83,248,011 (GRCm39) Y521N probably damaging Het
Slc6a4 A T 11: 76,901,337 (GRCm39) N24I probably damaging Het
Spata13 T A 14: 60,984,952 (GRCm39) D815E probably benign Het
Spocd1 A G 4: 129,848,738 (GRCm39) D656G probably damaging Het
Susd1 T A 4: 59,424,108 (GRCm39) N39I probably damaging Het
Vps13d G A 4: 144,894,853 (GRCm39) T417I probably benign Het
Wdr31 C T 4: 62,381,637 (GRCm39) V65I probably damaging Het
Zfp783 T C 6: 47,925,829 (GRCm39) probably benign Het
Other mutations in Fdft1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL03035:Fdft1 APN 14 63,400,838 (GRCm39) nonsense probably null
PIT4515001:Fdft1 UTSW 14 63,402,032 (GRCm39) missense probably benign 0.30
R0012:Fdft1 UTSW 14 63,415,147 (GRCm39) missense probably benign 0.03
R0442:Fdft1 UTSW 14 63,400,798 (GRCm39) missense probably benign 0.29
R0735:Fdft1 UTSW 14 63,400,869 (GRCm39) missense probably damaging 1.00
R1674:Fdft1 UTSW 14 63,402,034 (GRCm39) missense probably benign 0.20
R1689:Fdft1 UTSW 14 63,394,138 (GRCm39) missense probably benign 0.00
R3116:Fdft1 UTSW 14 63,415,147 (GRCm39) missense probably benign 0.03
R3418:Fdft1 UTSW 14 63,394,070 (GRCm39) missense probably damaging 1.00
R5033:Fdft1 UTSW 14 63,400,853 (GRCm39) missense probably damaging 1.00
R5274:Fdft1 UTSW 14 63,389,792 (GRCm39) missense probably damaging 1.00
R5371:Fdft1 UTSW 14 63,388,750 (GRCm39) missense probably damaging 1.00
R6343:Fdft1 UTSW 14 63,388,721 (GRCm39) missense probably damaging 1.00
R9360:Fdft1 UTSW 14 63,415,189 (GRCm39) nonsense probably null
R9522:Fdft1 UTSW 14 63,396,597 (GRCm39) critical splice acceptor site probably null
R9764:Fdft1 UTSW 14 63,400,869 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GTTCCTAAAGGTCCCACACTCAG -3'
(R):5'- CTATAAAGTACTGGAGGCAGCG -3'

Sequencing Primer
(F):5'- TCTCCCAAAGATTTTAGAGTAGGAGG -3'
(R):5'- AGGCAGCGCTAAGTAGCCTTTC -3'
Posted On 2016-11-21