Incidental Mutation 'R6441:Mag'
ID 519016
Institutional Source Beutler Lab
Gene Symbol Mag
Ensembl Gene ENSMUSG00000036634
Gene Name myelin-associated glycoprotein
Synonyms Gma, siglec-4a
MMRRC Submission 044579-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6441 (G1)
Quality Score 225.009
Status Not validated
Chromosome 7
Chromosomal Location 30598601-30614298 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 30606508 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Asparagine to Aspartic acid at position 310 (N310D)
Ref Sequence ENSEMBL: ENSMUSP00000140526 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000040548] [ENSMUST00000187137] [ENSMUST00000188569] [ENSMUST00000190638] [ENSMUST00000190950] [ENSMUST00000191081]
AlphaFold P20917
Predicted Effect possibly damaging
Transcript: ENSMUST00000040548
AA Change: N352D

PolyPhen 2 Score 0.649 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000041464
Gene: ENSMUSG00000036634
AA Change: N352D

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
IG 27 135 1.67e0 SMART
IG 144 237 4.38e0 SMART
IGc2 252 312 5.74e-13 SMART
IGc2 338 399 7.64e-9 SMART
transmembrane domain 511 533 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000186422
Predicted Effect possibly damaging
Transcript: ENSMUST00000187137
AA Change: N352D

PolyPhen 2 Score 0.649 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000139564
Gene: ENSMUSG00000036634
AA Change: N352D

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
IG 27 135 1.67e0 SMART
IG 144 237 4.38e0 SMART
IGc2 252 312 5.74e-13 SMART
IGc2 338 399 7.64e-9 SMART
transmembrane domain 511 533 N/A INTRINSIC
Predicted Effect possibly damaging
Transcript: ENSMUST00000188569
AA Change: N310D

PolyPhen 2 Score 0.649 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000140526
Gene: ENSMUSG00000036634
AA Change: N310D

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
IG 27 135 1.67e0 SMART
Blast:IG 152 195 1e-19 BLAST
IGc2 210 270 5.74e-13 SMART
IGc2 296 357 7.64e-9 SMART
transmembrane domain 469 491 N/A INTRINSIC
low complexity region 535 549 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000190638
SMART Domains Protein: ENSMUSP00000140578
Gene: ENSMUSG00000036634

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
IG 27 135 6.7e-3 SMART
Blast:IG 144 168 5e-8 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000190950
SMART Domains Protein: ENSMUSP00000139861
Gene: ENSMUSG00000036634

DomainStartEndE-ValueType
Blast:CLECT 1 64 3e-39 BLAST
Predicted Effect probably benign
Transcript: ENSMUST00000191081
AA Change: N352D

PolyPhen 2 Score 0.363 (Sensitivity: 0.90; Specificity: 0.89)
SMART Domains Protein: ENSMUSP00000139881
Gene: ENSMUSG00000036634
AA Change: N352D

DomainStartEndE-ValueType
signal peptide 1 19 N/A INTRINSIC
IG 27 135 6.7e-3 SMART
IG 144 237 1.8e-2 SMART
IGc2 252 312 2.4e-15 SMART
IGc2 338 399 3e-11 SMART
transmembrane domain 511 533 N/A INTRINSIC
low complexity region 577 591 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000191486
Meta Mutation Damage Score 0.0709 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 97.9%
  • 20x: 93.7%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a type I membrane protein and member of the immunoglobulin-like superfamily. It is expressed in myelinating glial cells, including oligodendrocytes of the central nervous system and Schwann cells of the peripheral nervous system. Mice lacking the encoded protein express abundant myelin, but suffer long-term axon degeneration, altered distribution of channels and adhesion molecules at nodes of Ranvier, and altered axon cytoskeletal structure. While not required for myelination, the encoded protein enhances axon-myelin stability, helps to structure nodes of Ranvier, and regulates the axon cytoskeleton. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2016]
PHENOTYPE: Homozygotes for targeted null mutations exhibit delayed CNS myelination, late myelin degeneration in peripheral nerves, hypomyelination of optic nerves, and subtle intention tremors. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agl A T 3: 116,565,108 (GRCm39) M1047K probably benign Het
Apob A T 12: 8,037,796 (GRCm39) D322V probably damaging Het
Capn12 T A 7: 28,587,427 (GRCm39) C438S probably benign Het
Cdh23 A T 10: 60,143,815 (GRCm39) V2932E probably damaging Het
Cdh9 A T 15: 16,823,509 (GRCm39) T164S probably benign Het
Cimap1a T C 7: 140,429,161 (GRCm39) S149P probably damaging Het
CN725425 T C 15: 91,120,005 (GRCm39) V42A probably benign Het
Cpb1 T C 3: 20,303,978 (GRCm39) D362G probably damaging Het
Csmd2 C A 4: 128,288,757 (GRCm39) Q1099K probably benign Het
D6Ertd527e C G 6: 87,088,506 (GRCm39) T223S unknown Het
Galnt4 A G 10: 98,945,960 (GRCm39) M562V possibly damaging Het
Gtf3c3 T A 1: 54,445,197 (GRCm39) E619V probably benign Het
Gucy2c A T 6: 136,700,759 (GRCm39) M585K probably damaging Het
Hmcn1 A G 1: 150,578,967 (GRCm39) I1993T possibly damaging Het
Lonrf2 T C 1: 38,857,204 (GRCm39) E44G possibly damaging Het
Lrit3 A T 3: 129,594,009 (GRCm39) F189L probably benign Het
Mccc2 T C 13: 100,091,184 (GRCm39) T151A probably damaging Het
Mybpc1 A T 10: 88,389,139 (GRCm39) S49T probably benign Het
Myh2 A G 11: 67,085,437 (GRCm39) E1787G probably benign Het
Ncapd3 A G 9: 26,974,712 (GRCm39) D728G probably benign Het
Nup37 A G 10: 87,996,799 (GRCm39) E139G probably benign Het
Or52h9 C T 7: 104,202,542 (GRCm39) Q139* probably null Het
Pcdhgb5 A G 18: 37,865,138 (GRCm39) Y311C probably damaging Het
Pls1 A G 9: 95,636,798 (GRCm39) I558T probably damaging Het
Rbm44 A T 1: 91,084,799 (GRCm39) N674Y probably damaging Het
Ryr1 T C 7: 28,759,120 (GRCm39) I3353V possibly damaging Het
Sema3c C T 5: 17,929,130 (GRCm39) T588I possibly damaging Het
Sh2d5 A T 4: 137,986,393 (GRCm39) E372V possibly damaging Het
Slc27a6 C T 18: 58,705,130 (GRCm39) P171S probably benign Het
Slfn3 C T 11: 83,105,740 (GRCm39) T579I probably benign Het
Svil T G 18: 5,049,323 (GRCm39) V287G probably benign Het
Tas1r2 T A 4: 139,396,467 (GRCm39) V602D probably damaging Het
Tln2 A G 9: 67,179,971 (GRCm39) L800P probably damaging Het
Trim31 C A 17: 37,218,683 (GRCm39) Q323K possibly damaging Het
Txndc9 T A 1: 38,029,299 (GRCm39) D183V possibly damaging Het
Vmn2r28 T A 7: 5,491,474 (GRCm39) M258L probably benign Het
Vmn2r75 A T 7: 85,820,784 (GRCm39) I50N probably damaging Het
Zgrf1 A T 3: 127,381,683 (GRCm39) N1161Y possibly damaging Het
Other mutations in Mag
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01716:Mag APN 7 30,599,812 (GRCm39) missense probably benign 0.00
IGL02036:Mag APN 7 30,607,877 (GRCm39) missense probably damaging 0.97
IGL03263:Mag APN 7 30,598,953 (GRCm39) splice site probably null
regie UTSW 7 30,600,154 (GRCm39) missense probably damaging 0.98
R0005:Mag UTSW 7 30,607,779 (GRCm39) splice site probably benign
R0403:Mag UTSW 7 30,606,405 (GRCm39) missense probably damaging 1.00
R1590:Mag UTSW 7 30,601,277 (GRCm39) missense probably damaging 0.99
R1874:Mag UTSW 7 30,608,476 (GRCm39) missense probably benign 0.13
R2170:Mag UTSW 7 30,608,412 (GRCm39) nonsense probably null
R2192:Mag UTSW 7 30,600,066 (GRCm39) nonsense probably null
R3176:Mag UTSW 7 30,601,073 (GRCm39) critical splice donor site probably null
R3177:Mag UTSW 7 30,601,073 (GRCm39) critical splice donor site probably null
R3276:Mag UTSW 7 30,601,073 (GRCm39) critical splice donor site probably null
R3277:Mag UTSW 7 30,601,073 (GRCm39) critical splice donor site probably null
R4540:Mag UTSW 7 30,600,154 (GRCm39) missense probably damaging 0.98
R4635:Mag UTSW 7 30,606,348 (GRCm39) missense probably damaging 1.00
R4704:Mag UTSW 7 30,608,598 (GRCm39) missense probably damaging 1.00
R4891:Mag UTSW 7 30,599,793 (GRCm39) missense possibly damaging 0.77
R4940:Mag UTSW 7 30,608,625 (GRCm39) missense probably damaging 1.00
R4952:Mag UTSW 7 30,608,581 (GRCm39) nonsense probably null
R6301:Mag UTSW 7 30,600,104 (GRCm39) missense probably damaging 1.00
R6951:Mag UTSW 7 30,610,858 (GRCm39) missense possibly damaging 0.89
R7562:Mag UTSW 7 30,608,559 (GRCm39) missense possibly damaging 0.83
R8312:Mag UTSW 7 30,610,894 (GRCm39) missense probably damaging 1.00
R9318:Mag UTSW 7 30,599,793 (GRCm39) missense possibly damaging 0.77
X0024:Mag UTSW 7 30,606,496 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CACACTCCACAGACAGGTTG -3'
(R):5'- TCTTAAGACTTGTGAGTGCCTC -3'

Sequencing Primer
(F):5'- CTCCACAGACAGGTTGAAGGC -3'
(R):5'- GGATTTACAATCATGAGCTGCCACG -3'
Posted On 2018-05-24