Incidental Mutation 'R9733:Fads2'
ID 731590
Institutional Source Beutler Lab
Gene Symbol Fads2
Ensembl Gene ENSMUSG00000024665
Gene Name fatty acid desaturase 2
Synonyms Fads2a, 2900042M13Rik
MMRRC Submission
Accession Numbers
Essential gene? Probably essential (E-score: 0.787) question?
Stock # R9733 (G1)
Quality Score 225.009
Status Not validated
Chromosome 19
Chromosomal Location 10040129-10078867 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 10047940 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Asparagine at position 265 (Y265N)
Ref Sequence ENSEMBL: ENSMUSP00000025567 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025567]
AlphaFold Q9Z0R9
Predicted Effect probably damaging
Transcript: ENSMUST00000025567
AA Change: Y265N

PolyPhen 2 Score 0.992 (Sensitivity: 0.70; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000025567
Gene: ENSMUSG00000024665
AA Change: Y265N

DomainStartEndE-ValueType
Cyt-b5 21 95 1.63e-19 SMART
transmembrane domain 124 143 N/A INTRINSIC
Pfam:FA_desaturase 156 418 5.2e-36 PFAM
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 99.3%
  • 20x: 98.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The protein encoded by this gene is a member of the fatty acid desaturase (FADS) gene family. Desaturase enzymes regulate unsaturation of fatty acids through the introduction of double bonds between defined carbons of the fatty acyl chain. FADS family members are considered fusion products composed of an N-terminal cytochrome b5-like domain and a C-terminal multiple membrane-spanning desaturase portion, both of which are characterized by conserved histidine motifs. This gene is clustered with family members at 11q12-q13.1; this cluster is thought to have arisen evolutionarily from gene duplication based on its similar exon/intron organization. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2013]
PHENOTYPE: Mice homozygous for a null allele display absence of long-chain polyunsaturated fatty acids, infertility, arrest of spermiogenesis and folliculogenesis, and impaired platelet function. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 76 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2610042L04Rik C T 14: 15,712,825 (GRCm39) probably benign Het
4930595D18Rik T A 12: 111,128,254 (GRCm39) probably benign Het
Adam34l T C 8: 44,079,186 (GRCm39) N346S possibly damaging Het
Alpi C T 1: 87,028,516 (GRCm39) A125T probably benign Het
Alppl2 T A 1: 87,014,957 (GRCm39) H468L probably damaging Het
Arhgef12 A T 9: 42,901,294 (GRCm39) L836* probably null Het
Arv1 T C 8: 125,458,658 (GRCm39) Y261H probably damaging Het
Atf6 C T 1: 170,662,402 (GRCm39) S286N probably benign Het
Atl3 G A 19: 7,509,705 (GRCm39) G478R probably damaging Het
Avil C T 10: 126,843,711 (GRCm39) R184C probably damaging Het
Bcl6b A G 11: 70,119,323 (GRCm39) I131T probably damaging Het
Bltp1 T A 3: 37,102,732 (GRCm39) M1437K Het
Catsper3 T C 13: 55,946,752 (GRCm39) S150P probably damaging Het
Cd7 A G 11: 120,928,637 (GRCm39) S132P probably benign Het
Cfh T C 1: 140,016,533 (GRCm39) D1142G probably damaging Het
Clca4b T G 3: 144,621,272 (GRCm39) K601Q probably benign Het
Cp A G 3: 20,033,126 (GRCm39) H651R probably damaging Het
Cyp2s1 T A 7: 25,507,529 (GRCm39) T307S probably damaging Het
Dcaf11 A G 14: 55,803,170 (GRCm39) D328G probably damaging Het
Eapp A T 12: 54,739,741 (GRCm39) S25R probably damaging Het
Ebag9 T A 15: 44,491,033 (GRCm39) probably null Het
Exog G A 9: 119,291,586 (GRCm39) E288K possibly damaging Het
Fam234b T A 6: 135,194,008 (GRCm39) S220R possibly damaging Het
Fcgbp T A 7: 27,803,012 (GRCm39) C1539S probably damaging Het
Fcsk T C 8: 111,615,563 (GRCm39) T589A probably benign Het
Fv1 C T 4: 147,954,621 (GRCm39) R396W probably damaging Het
Fv1 T C 4: 147,954,654 (GRCm39) F407L probably benign Het
Glp2r T C 11: 67,648,367 (GRCm39) T112A probably benign Het
Hydin T C 8: 111,262,011 (GRCm39) I2704T probably benign Het
Ighm T A 12: 113,386,097 (GRCm39) E84D probably benign Het
Ikzf5 A G 7: 130,994,012 (GRCm39) V205A probably benign Het
Kcnt1 G T 2: 25,797,351 (GRCm39) V844L probably benign Het
Kif2a A C 13: 107,106,304 (GRCm39) S528R probably damaging Het
Klhl29 G A 12: 5,190,641 (GRCm39) T118M probably damaging Het
Krt4 C A 15: 101,827,564 (GRCm39) G492C unknown Het
Lama1 T A 17: 68,116,940 (GRCm39) I2441N Het
Lin7a T C 10: 107,247,905 (GRCm39) V192A possibly damaging Het
Marchf8 T A 6: 116,378,990 (GRCm39) V308D probably damaging Het
Mgat5b T C 11: 116,838,074 (GRCm39) S238P possibly damaging Het
Mrps25 A G 6: 92,155,715 (GRCm39) S73P probably damaging Het
Muc6 G T 7: 141,216,310 (GRCm39) P2788T unknown Het
Ncf1 T C 5: 134,250,899 (GRCm39) T347A probably benign Het
Ndufaf4 T C 4: 24,903,177 (GRCm39) M122T probably benign Het
Nfil3 C T 13: 53,121,591 (GRCm39) A438T probably damaging Het
Noc2l T G 4: 156,328,022 (GRCm39) I504S probably damaging Het
Nphs1 T C 7: 30,166,955 (GRCm39) C735R probably damaging Het
Or10g6 A T 9: 39,934,171 (GRCm39) S161C probably benign Het
Or2y10 T C 11: 49,454,961 (GRCm39) L71P probably damaging Het
Or5d38 C A 2: 87,955,000 (GRCm39) V110L probably damaging Het
Or6b9 A C 7: 106,555,846 (GRCm39) L99R possibly damaging Het
Pcdhac1 A G 18: 37,225,506 (GRCm39) H773R probably benign Het
Pcnt A G 10: 76,237,314 (GRCm39) V1324A probably benign Het
Pcsk4 T C 10: 80,158,034 (GRCm39) Y568C probably damaging Het
Pdlim1 A T 19: 40,219,040 (GRCm39) M197K probably damaging Het
Plekho1 C T 3: 95,903,091 (GRCm39) G7S probably benign Het
Pramel17 A G 4: 101,692,965 (GRCm39) V345A possibly damaging Het
Prl7d1 A C 13: 27,898,339 (GRCm39) S57A probably benign Het
Prpf3 A G 3: 95,741,512 (GRCm39) V548A possibly damaging Het
Prss56 C T 1: 87,111,219 (GRCm39) P2L possibly damaging Het
Ric1 A G 19: 29,580,030 (GRCm39) D1277G possibly damaging Het
Rnf19b T A 4: 128,977,812 (GRCm39) D676E probably damaging Het
Rph3a T A 5: 121,100,521 (GRCm39) T126S probably benign Het
Sh3gl3 T C 7: 81,917,562 (GRCm39) probably null Het
Slc14a1 C A 18: 78,152,807 (GRCm39) A367S probably damaging Het
Slc35f2 T C 9: 53,708,385 (GRCm39) V126A probably benign Het
Snrnp200 A T 2: 127,068,240 (GRCm39) Q860L probably damaging Het
Srbd1 T C 17: 86,422,711 (GRCm39) N435S probably damaging Het
Tab2 A G 10: 7,795,214 (GRCm39) S349P possibly damaging Het
Tie1 A T 4: 118,330,183 (GRCm39) W1040R probably null Het
Tnni3k A T 3: 154,562,244 (GRCm39) Y678N probably damaging Het
Trav12-3 T C 14: 53,859,474 (GRCm39) V40A possibly damaging Het
Ttn G A 2: 76,576,379 (GRCm39) S24838L probably damaging Het
Ttn A G 2: 76,725,660 (GRCm39) W6158R unknown Het
Vegfa T C 17: 46,335,401 (GRCm39) S298G probably damaging Het
Zer1 T C 2: 29,997,643 (GRCm39) K421R probably benign Het
Zfp959 C A 17: 56,204,866 (GRCm39) T301N probably benign Het
Other mutations in Fads2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00931:Fads2 APN 19 10,043,649 (GRCm39) missense probably benign 0.02
IGL02801:Fads2 APN 19 10,060,009 (GRCm39) missense possibly damaging 0.88
IGL03340:Fads2 APN 19 10,069,136 (GRCm39) missense possibly damaging 0.76
sound UTSW 19 10,041,649 (GRCm39) missense probably damaging 1.00
PIT4677001:Fads2 UTSW 19 10,047,694 (GRCm39) missense probably damaging 1.00
R1437:Fads2 UTSW 19 10,069,193 (GRCm39) missense probably benign 0.00
R4827:Fads2 UTSW 19 10,059,958 (GRCm39) missense probably benign 0.03
R5367:Fads2 UTSW 19 10,041,649 (GRCm39) missense probably damaging 1.00
R5872:Fads2 UTSW 19 10,059,997 (GRCm39) missense probably benign 0.00
R7062:Fads2 UTSW 19 10,042,962 (GRCm39) splice site probably null
R9189:Fads2 UTSW 19 10,069,183 (GRCm39) missense probably benign
Predicted Primers PCR Primer
(F):5'- GAAGAGAGAACATGTGCCTGTC -3'
(R):5'- AGCCTTGTTGGACCCAGTTAC -3'

Sequencing Primer
(F):5'- TAGACGATGCTTAACTGGGCC -3'
(R):5'- CCTTGTTGGACCCAGTTACAGGTAG -3'
Posted On 2022-11-14