Incidental Mutation 'R4595:Mfsd2b'
ID 344336
Institutional Source Beutler Lab
Gene Symbol Mfsd2b
Ensembl Gene ENSMUSG00000037336
Gene Name MFSD2 lysolipid transporter B, sphingolipid
Synonyms Gm1964, major facilitator superfamily domain containing 2B
MMRRC Submission 041811-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4595 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 4912440-4924359 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 4915807 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 299 (T299A)
Ref Sequence ENSEMBL: ENSMUSP00000117057 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000045921] [ENSMUST00000085790] [ENSMUST00000137337] [ENSMUST00000147241]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000045921
AA Change: T402A

PolyPhen 2 Score 0.872 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000045315
Gene: ENSMUSG00000037336
AA Change: T402A

DomainStartEndE-ValueType
Pfam:MFS_2 33 472 4.6e-74 PFAM
low complexity region 476 490 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000085790
SMART Domains Protein: ENSMUSP00000082945
Gene: ENSMUSG00000037336

DomainStartEndE-ValueType
Pfam:MFS_2 32 346 2.2e-56 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125344
Predicted Effect possibly damaging
Transcript: ENSMUST00000137337
AA Change: T299A

PolyPhen 2 Score 0.872 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000117057
Gene: ENSMUSG00000037336
AA Change: T299A

DomainStartEndE-ValueType
Pfam:MFS_2 1 368 1.1e-59 PFAM
low complexity region 373 387 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143446
Predicted Effect probably benign
Transcript: ENSMUST00000147241
SMART Domains Protein: ENSMUSP00000114977
Gene: ENSMUSG00000037336

DomainStartEndE-ValueType
Pfam:MFS_2 33 110 3.1e-13 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150764
Predicted Effect noncoding transcript
Transcript: ENSMUST00000153676
Meta Mutation Damage Score 0.2543 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.2%
Validation Efficiency 94% (62/66)
MGI Phenotype PHENOTYPE: Homozygous KO reduces sphingosine-1-phosphate export from, and increases its accumulation in, red blood cells and platelets, and leads to reduced leukocyte, reticulocyte, and erythrocyte cell numbers. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
2700049A03Rik G T 12: 71,211,320 (GRCm39) E685* probably null Het
2700049A03Rik A T 12: 71,211,321 (GRCm39) E685V possibly damaging Het
4921536K21Rik A G 11: 3,840,052 (GRCm39) I115T probably benign Het
Acads A T 5: 115,251,123 (GRCm39) N120K probably damaging Het
Aco1 T A 4: 40,167,139 (GRCm39) C118S probably benign Het
Alpk2 T C 18: 65,422,819 (GRCm39) T1493A probably damaging Het
AU018091 A G 7: 3,208,268 (GRCm39) Y480H possibly damaging Het
Brd4 A T 17: 32,417,896 (GRCm39) I86N probably damaging Het
Ccdc180 A G 4: 45,945,023 (GRCm39) E1477G probably damaging Het
Ccne2 A G 4: 11,202,986 (GRCm39) N368S probably benign Het
Cenpp A T 13: 49,794,710 (GRCm39) F152L probably benign Het
Cfap46 T A 7: 139,232,320 (GRCm39) D881V possibly damaging Het
Chmp7 A G 14: 69,958,678 (GRCm39) V212A probably damaging Het
Col9a2 A T 4: 120,902,352 (GRCm39) K196N probably benign Het
Copg2 T C 6: 30,749,449 (GRCm39) D814G probably damaging Het
Dcaf13 G A 15: 38,982,288 (GRCm39) G85R probably damaging Het
Dnah9 A G 11: 66,058,978 (GRCm39) S106P probably benign Het
Dpp8 A G 9: 64,983,085 (GRCm39) D739G probably damaging Het
Drd2 T A 9: 49,316,089 (GRCm39) M283K probably benign Het
Espl1 A G 15: 102,207,159 (GRCm39) T208A probably benign Het
Glul G A 1: 153,778,796 (GRCm39) G35D possibly damaging Het
Gm14412 T C 2: 177,007,005 (GRCm39) K297E unknown Het
Gm21976 A T 13: 98,442,318 (GRCm39) R120W probably damaging Het
Hipk3 T A 2: 104,271,622 (GRCm39) T437S probably benign Het
Kcnd3 C T 3: 105,566,082 (GRCm39) A421V probably damaging Het
Lipn T G 19: 34,058,750 (GRCm39) Y321D probably damaging Het
Lrwd1 A G 5: 136,152,810 (GRCm39) V484A probably benign Het
Madd T C 2: 90,998,009 (GRCm39) D673G possibly damaging Het
Marveld1 T A 19: 42,136,203 (GRCm39) L39Q probably damaging Het
Micu3 T C 8: 40,812,438 (GRCm39) probably benign Het
Mmp7 T C 9: 7,697,667 (GRCm39) V234A probably damaging Het
Nhsl1 T A 10: 18,403,357 (GRCm39) D1329E probably benign Het
Or4a15 C T 2: 89,193,669 (GRCm39) V35M probably damaging Het
Or4f14b T C 2: 111,774,997 (GRCm39) D268G possibly damaging Het
Or52a33 A G 7: 103,289,308 (GRCm39) F13S probably damaging Het
Pcdhb21 T A 18: 37,647,568 (GRCm39) D232E probably damaging Het
Pebp1 G T 5: 117,421,475 (GRCm39) D156E probably benign Het
Pik3cb A G 9: 98,937,459 (GRCm39) Y745H possibly damaging Het
Pld2 T C 11: 70,432,846 (GRCm39) L170P probably damaging Het
Ptch1 T C 13: 63,691,422 (GRCm39) D277G possibly damaging Het
Rab11fip1 A T 8: 27,644,603 (GRCm39) M394K probably damaging Het
Rhoq T C 17: 87,271,754 (GRCm39) Y57H probably benign Het
Setbp1 T C 18: 78,900,731 (GRCm39) I979V probably benign Het
Slc6a4 A G 11: 76,910,689 (GRCm39) I447V probably benign Het
Sos2 T C 12: 69,663,663 (GRCm39) K607R probably damaging Het
Stt3a T C 9: 36,646,808 (GRCm39) I602V probably damaging Het
Syne2 A T 12: 76,013,845 (GRCm39) Q3012L possibly damaging Het
Taf1b T A 12: 24,550,441 (GRCm39) F9I possibly damaging Het
Tex35 T A 1: 156,926,909 (GRCm39) Y195F probably benign Het
Tnc T C 4: 63,913,982 (GRCm39) T1277A probably damaging Het
Tnfsf15 G T 4: 63,648,180 (GRCm39) Y153* probably null Het
Trim5 C A 7: 103,914,639 (GRCm39) V477F probably damaging Het
Trp73 A G 4: 154,148,874 (GRCm39) I245T probably damaging Het
Zbtb16 C T 9: 48,743,380 (GRCm39) E311K possibly damaging Het
Zmynd19 A G 2: 24,849,000 (GRCm39) D165G probably damaging Het
Other mutations in Mfsd2b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01810:Mfsd2b APN 12 4,916,469 (GRCm39) missense possibly damaging 0.63
IGL03188:Mfsd2b APN 12 4,916,538 (GRCm39) splice site probably null
IGL03339:Mfsd2b APN 12 4,924,335 (GRCm39) start codon destroyed probably null
R0142:Mfsd2b UTSW 12 4,916,234 (GRCm39) missense probably benign 0.11
R1468:Mfsd2b UTSW 12 4,920,536 (GRCm39) nonsense probably null
R1468:Mfsd2b UTSW 12 4,920,536 (GRCm39) nonsense probably null
R1535:Mfsd2b UTSW 12 4,920,605 (GRCm39) missense probably damaging 1.00
R1718:Mfsd2b UTSW 12 4,919,037 (GRCm39) missense probably damaging 1.00
R1894:Mfsd2b UTSW 12 4,919,155 (GRCm39) missense probably damaging 0.99
R2127:Mfsd2b UTSW 12 4,917,659 (GRCm39) missense probably benign 0.01
R2392:Mfsd2b UTSW 12 4,915,164 (GRCm39) missense possibly damaging 0.73
R3737:Mfsd2b UTSW 12 4,920,578 (GRCm39) missense probably damaging 1.00
R3738:Mfsd2b UTSW 12 4,920,578 (GRCm39) missense probably damaging 1.00
R3739:Mfsd2b UTSW 12 4,920,578 (GRCm39) missense probably damaging 1.00
R3956:Mfsd2b UTSW 12 4,916,848 (GRCm39) missense probably damaging 1.00
R4035:Mfsd2b UTSW 12 4,920,578 (GRCm39) missense probably damaging 1.00
R4244:Mfsd2b UTSW 12 4,924,356 (GRCm39) utr 5 prime probably benign
R4667:Mfsd2b UTSW 12 4,917,636 (GRCm39) missense probably benign 0.01
R4723:Mfsd2b UTSW 12 4,918,992 (GRCm39) missense probably benign 0.03
R5126:Mfsd2b UTSW 12 4,916,183 (GRCm39) missense probably benign 0.30
R5145:Mfsd2b UTSW 12 4,915,908 (GRCm39) unclassified probably benign
R5890:Mfsd2b UTSW 12 4,917,651 (GRCm39) missense probably damaging 1.00
R5976:Mfsd2b UTSW 12 4,916,522 (GRCm39) missense probably damaging 1.00
R6753:Mfsd2b UTSW 12 4,917,358 (GRCm39) missense possibly damaging 0.90
R6912:Mfsd2b UTSW 12 4,920,611 (GRCm39) nonsense probably null
R7182:Mfsd2b UTSW 12 4,916,157 (GRCm39) critical splice donor site probably null
R7472:Mfsd2b UTSW 12 4,916,481 (GRCm39) missense probably damaging 1.00
R8429:Mfsd2b UTSW 12 4,916,487 (GRCm39) missense possibly damaging 0.90
R8559:Mfsd2b UTSW 12 4,921,471 (GRCm39) missense possibly damaging 0.63
R8992:Mfsd2b UTSW 12 4,921,490 (GRCm39) missense probably benign
R9410:Mfsd2b UTSW 12 4,915,747 (GRCm39) missense probably damaging 1.00
R9474:Mfsd2b UTSW 12 4,916,820 (GRCm39) missense possibly damaging 0.91
X0062:Mfsd2b UTSW 12 4,915,170 (GRCm39) missense probably benign 0.01
Z1176:Mfsd2b UTSW 12 4,916,530 (GRCm39) critical splice acceptor site probably null
Z1177:Mfsd2b UTSW 12 4,915,794 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- TGATGGAGTCCCTCACACTC -3'
(R):5'- ACATACTGCTGGCTGGTTG -3'

Sequencing Primer
(F):5'- ATCCACTCCAGGCTCATGG -3'
(R):5'- CTGGCTGGTTGTGGGCC -3'
Posted On 2015-09-25