Incidental Mutation 'R4940:Mag'
ID 383002
Institutional Source Beutler Lab
Gene Symbol Mag
Ensembl Gene ENSMUSG00000036634
Gene Name myelin-associated glycoprotein
Synonyms Gma, siglec-4a
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R4940 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 30899176-30914873 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) T to C at 30909200 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 163 (D163G)
Ref Sequence ENSEMBL: ENSMUSP00000139881 (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: D163G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000041464
Gene: ENSMUSG00000036634
AA Change: D163G

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: D163G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000139564
Gene: ENSMUSG00000036634
AA Change: D163G

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 benign
Transcript: ENSMUST00000188569
SMART Domains Protein: ENSMUSP00000140526
Gene: ENSMUSG00000036634

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 damaging
Transcript: ENSMUST00000190638
AA Change: D163G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000140578
Gene: ENSMUSG00000036634
AA Change: D163G

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: D163G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000139881
Gene: ENSMUSG00000036634
AA Change: D163G

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
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.5%
  • 20x: 93.3%
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: 74 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700007G11Rik A G 5: 98,737,636 H134R possibly damaging Het
3632451O06Rik A T 14: 49,773,482 M256K probably benign Het
4931414P19Rik T C 14: 54,591,325 T240A probably benign Het
Abca15 T C 7: 120,332,694 Y57H probably benign Het
Adgrf4 A G 17: 42,666,529 I641T possibly damaging Het
Ankrd11 A G 8: 122,889,821 Y2410H probably damaging Het
Apbb2 C A 5: 66,452,261 L14F probably null Het
Arhgdia T C 11: 120,579,235 D204G probably damaging Het
Catsperd A T 17: 56,662,736 Y610F possibly damaging Het
Cblb T A 16: 52,033,103 D27E probably damaging Het
Ccdc180 A T 4: 45,917,453 I893F probably damaging Het
Ccdc180 A G 4: 45,917,508 H911R probably damaging Het
Cdh23 T A 10: 60,307,935 I2966F probably damaging Het
Chat G A 14: 32,419,105 P445L probably damaging Het
Chdh G T 14: 30,032,852 R273L possibly damaging Het
Clic3 T C 2: 25,457,917 V72A probably benign Het
Cyp2d12 T A 15: 82,558,050 D244E probably benign Het
Ddr1 T A 17: 35,690,130 D241V probably damaging Het
Dock7 T A 4: 99,020,077 K605N probably damaging Het
Dsg2 T A 18: 20,579,430 F164I probably damaging Het
Dstyk T A 1: 132,453,106 N446K probably damaging Het
Epb42 A T 2: 121,034,451 L53Q probably damaging Het
Extl2 G C 3: 116,027,192 K229N probably benign Het
Frmd4b T A 6: 97,298,090 S617C probably damaging Het
Fscb C T 12: 64,473,814 V293I probably benign Het
Glp2r G T 11: 67,757,593 Y94* probably null Het
Gm4978 A C 9: 69,450,872 probably benign Het
Gm6729 A G 10: 86,540,388 noncoding transcript Het
Gnat2 A C 3: 108,100,616 N293T probably benign Het
Herpud1 T C 8: 94,390,842 I142T probably benign Het
Irak2 G A 6: 113,693,730 V536I probably benign Het
Kcnu1 A T 8: 25,897,862 probably null Het
Kdm4a A G 4: 118,161,754 S422P probably benign Het
Lair1 T A 7: 4,028,949 D53V probably benign Het
Lhx1 G T 11: 84,519,909 Y196* probably null Het
Lrrc37a G A 11: 103,497,612 T2329I unknown Het
Magi3 A G 3: 104,051,392 V459A probably damaging Het
Med13 A G 11: 86,288,118 Y1451H probably damaging Het
Megf8 T A 7: 25,360,706 C2341S probably damaging Het
Mppe1 A G 18: 67,228,024 C221R probably damaging Het
Mtus1 T A 8: 41,041,478 H39L possibly damaging Het
Nkpd1 C T 7: 19,523,573 Q276* probably null Het
Nkx3-1 G A 14: 69,190,918 G72S probably benign Het
Nutm2 T C 13: 50,474,873 C658R possibly damaging Het
Olfm1 T C 2: 28,222,590 V239A possibly damaging Het
Pcnx C T 12: 81,917,793 H245Y possibly damaging Het
Pgm3 A G 9: 86,559,476 L356S probably damaging Het
Pik3r4 C G 9: 105,668,994 H207D probably benign Het
Pkd1l1 T C 11: 8,844,585 T1859A probably benign Het
Pon3 A T 6: 5,221,625 V335E possibly damaging Het
Ppp4r3b A G 11: 29,211,740 T705A probably benign Het
Prmt7 T C 8: 106,237,278 V268A probably benign Het
Psd C T 19: 46,322,417 G398R probably damaging Het
Pygl A G 12: 70,206,381 V188A probably damaging Het
Rnf13 T A 3: 57,796,206 N110K probably damaging Het
Rnf170 C T 8: 26,125,911 Q77* probably null Het
Rrp8 A T 7: 105,734,077 Y327* probably null Het
Ruvbl2 T C 7: 45,424,726 D228G probably damaging Het
Scgn T A 13: 23,989,824 T35S probably benign Het
Scyl3 C T 1: 163,934,747 P74S probably damaging Het
Sec61b T G 4: 47,483,074 S123A probably benign Het
Sertad2 T C 11: 20,647,899 S32P possibly damaging Het
Slc23a3 T C 1: 75,133,803 probably null Het
Sult2a2 T G 7: 13,738,298 V140G probably benign Het
Tbc1d4 A T 14: 101,507,231 S320T probably benign Het
Trabd2b T C 4: 114,408,944 Y52H probably damaging Het
Traf2 T C 2: 25,530,288 E183G probably null Het
Trip10 G T 17: 57,263,017 V561F possibly damaging Het
Ttc7 G T 17: 87,306,958 V184F probably benign Het
Ubc A G 5: 125,386,229 V678A probably benign Het
Unk A G 11: 116,053,665 E414G possibly damaging Het
Usp42 T C 5: 143,719,762 N365D probably damaging Het
Zbtb26 A T 2: 37,436,769 I85K probably damaging Het
Zfhx2 A T 14: 55,066,434 H1364Q possibly damaging Het
Other mutations in Mag
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01716:Mag APN 7 30900387 missense probably benign 0.00
IGL02036:Mag APN 7 30908452 missense probably damaging 0.97
IGL03263:Mag APN 7 30899528 splice site probably null
regie UTSW 7 30900729 missense probably damaging 0.98
R0005:Mag UTSW 7 30908354 splice site probably benign
R0403:Mag UTSW 7 30906980 missense probably damaging 1.00
R1590:Mag UTSW 7 30901852 missense probably damaging 0.99
R1874:Mag UTSW 7 30909051 missense probably benign 0.13
R2170:Mag UTSW 7 30908987 nonsense probably null
R2192:Mag UTSW 7 30900641 nonsense probably null
R3176:Mag UTSW 7 30901648 critical splice donor site probably null
R3177:Mag UTSW 7 30901648 critical splice donor site probably null
R3276:Mag UTSW 7 30901648 critical splice donor site probably null
R3277:Mag UTSW 7 30901648 critical splice donor site probably null
R4540:Mag UTSW 7 30900729 missense probably damaging 0.98
R4635:Mag UTSW 7 30906923 missense probably damaging 1.00
R4704:Mag UTSW 7 30909173 missense probably damaging 1.00
R4891:Mag UTSW 7 30900368 missense possibly damaging 0.77
R4952:Mag UTSW 7 30909156 nonsense probably null
R6301:Mag UTSW 7 30900679 missense probably damaging 1.00
R6441:Mag UTSW 7 30907083 missense possibly damaging 0.65
R6951:Mag UTSW 7 30911433 missense possibly damaging 0.89
R7562:Mag UTSW 7 30909134 missense possibly damaging 0.83
R8312:Mag UTSW 7 30911469 missense probably damaging 1.00
R9318:Mag UTSW 7 30900368 missense possibly damaging 0.77
X0024:Mag UTSW 7 30907071 missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- GACGTCCAAACTGGCGTAAC -3'
(R):5'- CTGGGCATTCAGAGGGATAAAGTC -3'

Sequencing Primer
(F):5'- GTAACCCTCGAACTGCAAGGTG -3'
(R):5'- ACTGCTCCTAGAACCCT -3'
Posted On 2016-04-27