Incidental Mutation 'R4244:Mfsd2b'
ID 374397
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 041060-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4244 (G1)
Quality Score 175
Status Validated
Chromosome 12
Chromosomal Location 4912440-4924359 bp(-) (GRCm39)
Type of Mutation utr 5 prime
DNA Base Change (assembly) G to T at 4924356 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000114977 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020962] [ENSMUST00000045921] [ENSMUST00000085790] [ENSMUST00000137337] [ENSMUST00000142867] [ENSMUST00000147241]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000020962
SMART Domains Protein: ENSMUSP00000020962
Gene: ENSMUSG00000020634

DomainStartEndE-ValueType
SEP 58 151 1.52e-25 SMART
UBX 167 248 4.07e-3 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000045921
SMART Domains Protein: ENSMUSP00000045315
Gene: ENSMUSG00000037336

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 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 probably benign
Transcript: ENSMUST00000142867
SMART Domains Protein: ENSMUSP00000118834
Gene: ENSMUSG00000020634

DomainStartEndE-ValueType
SEP 58 151 1.52e-25 SMART
UBX 167 248 4.07e-3 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143446
Predicted Effect noncoding transcript
Transcript: ENSMUST00000150764
Predicted Effect probably benign
Transcript: ENSMUST00000147241
SMART Domains Protein: ENSMUSP00000114977
Gene: ENSMUSG00000037336

DomainStartEndE-ValueType
Pfam:MFS_2 33 110 3.1e-13 PFAM
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 98% (47/48)
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actr1b T C 1: 36,740,911 (GRCm39) Y171C possibly damaging Het
Ap1g1 G A 8: 110,560,122 (GRCm39) S281N probably benign Het
Arfgef3 C A 10: 18,506,168 (GRCm39) G878V probably damaging Het
Ccdc137 T C 11: 120,352,844 (GRCm39) F196S probably damaging Het
Ccdc18 C T 5: 108,296,838 (GRCm39) Q214* probably null Het
Ccrl2 T C 9: 110,884,422 (GRCm39) I359V probably benign Het
Cdh20 C T 1: 104,869,868 (GRCm39) T196I probably damaging Het
Cfap20dc T C 14: 8,482,521 (GRCm38) T551A probably benign Het
Col6a3 G T 1: 90,714,361 (GRCm39) T1683K unknown Het
Copa A G 1: 171,938,285 (GRCm39) I524V probably benign Het
Cyld A T 8: 89,457,383 (GRCm39) R536* probably null Het
Dock10 T A 1: 80,544,472 (GRCm39) E905V probably benign Het
Dock5 A G 14: 68,012,031 (GRCm39) F1348L probably benign Het
Efcab3 A T 11: 105,002,629 (GRCm39) K5664I probably damaging Het
Gm5174 C A 10: 86,492,144 (GRCm39) noncoding transcript Het
Gm9892 A T 8: 52,649,435 (GRCm39) noncoding transcript Het
Grm4 A G 17: 27,721,709 (GRCm39) I144T probably damaging Het
Kcnv1 G A 15: 44,977,840 (GRCm39) T66M probably damaging Het
Krt28 G T 11: 99,265,376 (GRCm39) S97Y probably damaging Het
Map3k6 T C 4: 132,979,258 (GRCm39) Y1204H possibly damaging Het
Nav3 T C 10: 109,605,157 (GRCm39) D972G probably damaging Het
Or2ak6 T G 11: 58,593,277 (GRCm39) L250R probably damaging Het
Or2y3 C T 17: 38,393,321 (GRCm39) V183I probably benign Het
Or5d39 T C 2: 87,979,632 (GRCm39) T244A probably benign Het
Prex1 G A 2: 166,412,256 (GRCm39) R392W probably damaging Het
Ptpn5 C T 7: 46,741,296 (GRCm39) W38* probably null Het
Rab3gap1 T C 1: 127,865,304 (GRCm39) probably null Het
Rfx7 A G 9: 72,499,051 (GRCm39) T72A possibly damaging Het
Scn7a T C 2: 66,572,345 (GRCm39) I209V probably benign Het
Sh3d21 C T 4: 126,044,511 (GRCm39) probably benign Het
Slc27a1 A G 8: 72,037,617 (GRCm39) T535A probably benign Het
Slc5a5 A G 8: 71,342,930 (GRCm39) V210A probably benign Het
Snx25 A G 8: 46,558,291 (GRCm39) C239R probably damaging Het
Sp5 T C 2: 70,307,382 (GRCm39) F356L probably damaging Het
Spaca9 T C 2: 28,582,998 (GRCm39) I141V probably benign Het
Tbcd T A 11: 121,485,107 (GRCm39) L763H probably damaging Het
Thnsl1 A G 2: 21,217,059 (GRCm39) E271G probably benign Het
Vmn1r79 T A 7: 11,910,971 (GRCm39) C284* probably null Het
Vwa5a T C 9: 38,649,112 (GRCm39) probably benign Het
Zar1 T C 5: 72,737,736 (GRCm39) E121G possibly damaging Het
Zscan29 C T 2: 120,995,275 (GRCm39) probably null 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
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'- TGGACAAAGTGCTGTGGTAG -3'
(R):5'- ACAAACAAGATCGTCCCTGAGG -3'

Sequencing Primer
(F):5'- ACAAAGTGCTGTGGTAGGTTCTTC -3'
(R):5'- GAGGACTTGACCGCTTTTTC -3'
Posted On 2016-03-04