Incidental Mutation 'R3739:Mfsd2b'
ID 270306
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 040725-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3739 (G1)
Quality Score 225
Status Validated
Chromosome 12
Chromosomal Location 4912440-4924359 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 4920578 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 80 (S80P)
Ref Sequence ENSEMBL: ENSMUSP00000114977 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000045921] [ENSMUST00000085790] [ENSMUST00000137337] [ENSMUST00000147241]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000045921
AA Change: S80P

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000045315
Gene: ENSMUSG00000037336
AA Change: S80P

DomainStartEndE-ValueType
Pfam:MFS_2 33 472 4.6e-74 PFAM
low complexity region 476 490 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000085790
AA Change: S80P

PolyPhen 2 Score 0.986 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000082945
Gene: ENSMUSG00000037336
AA Change: S80P

DomainStartEndE-ValueType
Pfam:MFS_2 32 346 2.2e-56 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000125344
Predicted Effect probably benign
Transcript: ENSMUST00000137337
SMART Domains Protein: ENSMUSP00000117057
Gene: ENSMUSG00000037336

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 damaging
Transcript: ENSMUST00000147241
AA Change: S80P

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000114977
Gene: ENSMUSG00000037336
AA Change: S80P

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 0.1221 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.3%
  • 20x: 95.0%
Validation Efficiency 98% (49/50)
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
9930111J21Rik2 A T 11: 48,910,108 (GRCm39) L775* probably null Het
Abcb8 A G 5: 24,605,619 (GRCm39) S168G probably benign Het
Ahnak2 T C 12: 112,740,992 (GRCm39) I1027V probably benign Het
Alox12e A G 11: 70,210,668 (GRCm39) L318P probably damaging Het
Ankrd11 A G 8: 123,623,454 (GRCm39) probably benign Het
Anks1b T A 10: 89,869,078 (GRCm39) I46N probably damaging Het
Apoa5 G C 9: 46,180,415 (GRCm39) W7S probably damaging Het
Arnt2 T C 7: 83,993,009 (GRCm39) H177R probably null Het
Cacna1c T C 6: 118,718,913 (GRCm39) D220G probably benign Het
Dst C T 1: 34,307,975 (GRCm39) probably benign Het
Eml6 C A 11: 29,753,137 (GRCm39) V925L probably benign Het
Fbll1 G A 11: 35,688,505 (GRCm39) H253Y possibly damaging Het
Galnt1 A G 18: 24,404,712 (GRCm39) T350A probably benign Het
Gbp10 T A 5: 105,372,324 (GRCm39) E145D possibly damaging Het
Gfm1 T C 3: 67,364,033 (GRCm39) I503T probably damaging Het
Hmcn2 A T 2: 31,226,624 (GRCm39) K200* probably null Het
Ifi203 T A 1: 173,757,040 (GRCm39) probably benign Het
Itgbl1 T C 14: 124,204,090 (GRCm39) F394L probably damaging Het
Itpkc T A 7: 26,927,029 (GRCm39) D295V possibly damaging Het
Klra17 T A 6: 129,850,328 (GRCm39) I41F probably benign Het
Lcorl A T 5: 45,891,383 (GRCm39) N323K possibly damaging Het
Ltbp2 A T 12: 84,851,248 (GRCm39) C836S probably damaging Het
Ms4a18 A T 19: 10,988,863 (GRCm39) H164Q probably damaging Het
Mybbp1a A G 11: 72,339,563 (GRCm39) H882R possibly damaging Het
Myh9 G A 15: 77,651,012 (GRCm39) R1612C probably damaging Het
Myo18a A G 11: 77,736,441 (GRCm39) D1514G probably damaging Het
Nsun2 T C 13: 69,777,757 (GRCm39) I441T probably benign Het
Ntng1 A T 3: 109,842,007 (GRCm39) D255E probably damaging Het
Or2y1 A G 11: 49,386,287 (GRCm39) D309G possibly damaging Het
Osbpl2 G A 2: 179,803,353 (GRCm39) R475H probably damaging Het
Pclo A C 5: 14,730,913 (GRCm39) K3138N unknown Het
Pcsk7 A G 9: 45,838,057 (GRCm39) T572A possibly damaging Het
Pex11a C T 7: 79,389,918 (GRCm39) R56H possibly damaging Het
Pnma8b C T 7: 16,680,521 (GRCm39) H502Y probably benign Het
Saa4 T A 7: 46,379,053 (GRCm39) N96Y possibly damaging Het
Serpinb6d T A 13: 33,851,663 (GRCm39) V140E probably damaging Het
Srsf4 C T 4: 131,627,413 (GRCm39) probably benign Het
St18 G A 1: 6,925,697 (GRCm39) probably null Het
Taf3 T C 2: 9,956,469 (GRCm39) E566G possibly damaging Het
Tnr T C 1: 159,750,983 (GRCm39) S1315P possibly damaging Het
Trappc11 T C 8: 47,967,138 (GRCm39) E412G probably damaging Het
Trpc2 G A 7: 101,733,711 (GRCm39) S220N probably damaging Het
Trpm7 A G 2: 126,693,441 (GRCm39) V48A probably damaging Het
Tubb6 A G 18: 67,535,121 (GRCm39) Y340C probably damaging Het
Vmn1r197 C A 13: 22,512,746 (GRCm39) Y222* probably null Het
Vmn2r97 T C 17: 19,148,413 (GRCm39) S103P probably damaging Het
Zfp362 C G 4: 128,680,682 (GRCm39) probably benign Het
Zfp423 A G 8: 88,507,972 (GRCm39) C666R 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
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
R4595:Mfsd2b UTSW 12 4,915,807 (GRCm39) missense possibly damaging 0.87
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'- TGCACAGGCTTGTCTTCCAAC -3'
(R):5'- AGCATTAGCCCTCTCCTCAG -3'

Sequencing Primer
(F):5'- GTCTTCCAACCATCCACGGG -3'
(R):5'- TCTGATGTCCCTCAGAGGAG -3'
Posted On 2015-03-18