Incidental Mutation 'R4635:Mag'
ID 349437
Institutional Source Beutler Lab
Gene Symbol Mag
Ensembl Gene ENSMUSG00000036634
Gene Name myelin-associated glycoprotein
Synonyms Gma, siglec-4a
MMRRC Submission 041899-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4635 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 30598601-30614298 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 30606348 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Serine at position 363 (F363S)
Ref Sequence ENSEMBL: ENSMUSP00000140526 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000040548] [ENSMUST00000187137] [ENSMUST00000188569] [ENSMUST00000190638] [ENSMUST00000190950] [ENSMUST00000191081]
AlphaFold P20917
Predicted Effect probably damaging
Transcript: ENSMUST00000040548
AA Change: F405S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000041464
Gene: ENSMUSG00000036634
AA Change: F405S

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 probably damaging
Transcript: ENSMUST00000187137
AA Change: F405S

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000139564
Gene: ENSMUSG00000036634
AA Change: F405S

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 probably damaging
Transcript: ENSMUST00000188569
AA Change: F363S

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000140526
Gene: ENSMUSG00000036634
AA Change: F363S

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 damaging
Transcript: ENSMUST00000191081
AA Change: F405S

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000139881
Gene: ENSMUSG00000036634
AA Change: F405S

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
Meta Mutation Damage Score 0.6593 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.2%
  • 20x: 95.1%
Validation Efficiency 98% (39/40)
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: 35 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb1a A T 5: 8,764,927 (GRCm39) K639I probably benign Het
Amer3 C A 1: 34,626,958 (GRCm39) T399K probably damaging Het
Arfgef3 T C 10: 18,510,603 (GRCm39) Y786C probably damaging Het
Arhgef26 A G 3: 62,247,861 (GRCm39) Y315C probably damaging Het
Ccdc121 G A 5: 31,645,435 (GRCm39) R396Q probably benign Het
Chchd6 T C 6: 89,444,448 (GRCm39) E178G probably damaging Het
Chd3 TGCTGCCGCTGCCGC TGCTGCCGCTGCCGCTGCCGC 11: 69,253,013 (GRCm39) probably benign Het
Daam1 T A 12: 72,005,518 (GRCm39) probably null Het
Ddx60 A G 8: 62,490,101 (GRCm39) E1690G probably benign Het
Eme2 G T 17: 25,113,882 (GRCm39) P48T probably benign Het
Ferd3l T C 12: 33,978,835 (GRCm39) M116T probably damaging Het
Gm13141 GGTTTCTTGATGCCA G 4: 147,612,561 (GRCm39) noncoding transcript Het
Gtf2i T C 5: 134,274,028 (GRCm39) N727D probably damaging Het
Hao1 T A 2: 134,365,072 (GRCm39) N185I probably damaging Het
Kifap3 C T 1: 163,642,004 (GRCm39) T195I probably damaging Het
Mef2a A G 7: 66,890,175 (GRCm39) I135T possibly damaging Het
Muc4 T C 16: 32,753,802 (GRCm38) I1226T probably benign Het
Nphs1 T C 7: 30,167,432 (GRCm39) F787L probably benign Het
Nr1h2 A C 7: 44,201,961 (GRCm39) S42A probably benign Het
Odad4 C T 11: 100,442,333 (GRCm39) Q164* probably null Het
Or10ag2 T A 2: 87,249,043 (GRCm39) M217K probably benign Het
Or4a76 A C 2: 89,460,516 (GRCm39) I242S possibly damaging Het
Or51aa2 T C 7: 103,188,355 (GRCm39) I29V probably benign Het
Or5ak23 T A 2: 85,245,208 (GRCm39) N5I probably damaging Het
Rab38 T C 7: 88,099,854 (GRCm39) V123A probably damaging Het
Scd1 T C 19: 44,395,024 (GRCm39) Y67C probably damaging Het
Scn5a T C 9: 119,358,051 (GRCm39) N730S possibly damaging Het
Shc2 C T 10: 79,462,120 (GRCm39) C341Y probably benign Het
Tfdp2 T A 9: 96,179,727 (GRCm39) N113K probably damaging Het
Tmc3 A G 7: 83,234,290 (GRCm39) probably benign Het
Top6bl A G 19: 4,748,524 (GRCm39) probably benign Het
Tox A T 4: 6,990,501 (GRCm39) probably benign Het
Tspoap1 A G 11: 87,668,683 (GRCm39) K1319E probably benign Het
Vit G A 17: 78,881,641 (GRCm39) V135I probably benign Het
Vwa5b1 T G 4: 138,338,150 (GRCm39) S71R 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
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
R6441:Mag UTSW 7 30,606,508 (GRCm39) missense possibly damaging 0.65
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'- GAGCAGTAACCACAGGATTCTG -3'
(R):5'- GGGAGACTGTCTCTATCCTGTG -3'

Sequencing Primer
(F):5'- GGATTCTGAACTCCTTTGGTCAAAGC -3'
(R):5'- GAGACTGTCTCTATCCTGTGTTCCAC -3'
Posted On 2015-10-08