Incidental Mutation 'R6939:Ighmbp2'
ID 540470
Institutional Source Beutler Lab
Gene Symbol Ighmbp2
Ensembl Gene ENSMUSG00000024831
Gene Name immunoglobulin mu DNA binding protein 2
Synonyms Catf1, RIPE3b1, Smbp-2, Smbp2, p110 subunit, Smubp2, AEP, sma
MMRRC Submission 045053-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6939 (G1)
Quality Score 225.009
Status Validated
Chromosome 19
Chromosomal Location 3309076-3333011 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 3326907 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Tyrosine at position 186 (F186Y)
Ref Sequence ENSEMBL: ENSMUSP00000025751 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025751] [ENSMUST00000119292] [ENSMUST00000154537]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000025751
AA Change: F186Y

PolyPhen 2 Score 0.970 (Sensitivity: 0.77; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000025751
Gene: ENSMUSG00000024831
AA Change: F186Y

DomainStartEndE-ValueType
DEXDc 187 446 8.99e-6 SMART
AAA 205 374 9.08e-6 SMART
low complexity region 598 609 N/A INTRINSIC
R3H 704 783 1.2e-22 SMART
low complexity region 784 813 N/A INTRINSIC
low complexity region 858 869 N/A INTRINSIC
ZnF_AN1 895 935 5.65e-13 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000119292
AA Change: F186Y

PolyPhen 2 Score 0.148 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000113438
Gene: ENSMUSG00000024831
AA Change: F186Y

DomainStartEndE-ValueType
DEXDc 187 446 8.99e-6 SMART
AAA 205 374 9.08e-6 SMART
low complexity region 598 609 N/A INTRINSIC
R3H 704 783 1.2e-22 SMART
low complexity region 784 813 N/A INTRINSIC
low complexity region 858 869 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000154537
AA Change: F153L

PolyPhen 2 Score 0.012 (Sensitivity: 0.96; Specificity: 0.78)
SMART Domains Protein: ENSMUSP00000122827
Gene: ENSMUSG00000024831
AA Change: F153L

DomainStartEndE-ValueType
PDB:4B3F|X 3 160 2e-80 PDB
low complexity region 230 244 N/A INTRINSIC
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.3%
  • 20x: 97.9%
Validation Efficiency 99% (66/67)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a helicase superfamily member that binds a specific DNA sequence from the immunoglobulin mu chain switch region. Mutations in this gene lead to spinal muscle atrophy with respiratory distress type 1. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for a spontaneous allele exhibit premature death, progressive limb muscle atrophy, decreased grip strength, severe motor neuron and axonal degeneration, dilated cardiomyopathy, myocardial fiber necrosis, increased heart rate variability, systolic dysfunction and respiratory failure. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 66 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
A1bg G A 15: 60,792,244 (GRCm39) P128L probably damaging Het
Acsm3 T C 7: 119,377,678 (GRCm39) V401A probably damaging Het
Arhgef11 C A 3: 87,594,227 (GRCm39) N93K probably damaging Het
C1ra G A 6: 124,489,760 (GRCm39) probably null Het
Camk2a A G 18: 61,091,226 (GRCm39) E236G probably damaging Het
Cav2 C A 6: 17,281,410 (GRCm39) D17E possibly damaging Het
Ccdc149 T C 5: 52,533,607 (GRCm39) S520G probably benign Het
Chd4 C A 6: 125,083,501 (GRCm39) H674Q probably damaging Het
Clrn2 A T 5: 45,611,096 (GRCm39) probably benign Het
Cntnap1 A C 11: 101,077,337 (GRCm39) I1000L probably damaging Het
Cyp2c67 T C 19: 39,631,778 (GRCm39) T140A possibly damaging Het
D7Ertd443e T C 7: 133,966,208 (GRCm39) probably null Het
Dcdc2c G T 12: 28,591,496 (GRCm39) Q131K probably benign Het
Dmpk T A 7: 18,822,149 (GRCm39) V369E probably damaging Het
Dnah11 A T 12: 118,070,297 (GRCm39) W1503R probably damaging Het
Dnai7 A G 6: 145,120,945 (GRCm39) F625L possibly damaging Het
Dok2 T C 14: 71,013,045 (GRCm39) V71A probably benign Het
Dqx1 A T 6: 83,036,446 (GRCm39) Q150L probably damaging Het
Extl3 A G 14: 65,304,189 (GRCm39) I740T possibly damaging Het
Fan1 T A 7: 64,022,234 (GRCm39) N340Y probably damaging Het
Fat2 C T 11: 55,143,300 (GRCm39) W4183* probably null Het
Fkrp C T 7: 16,545,751 (GRCm39) R37Q probably benign Het
Frem3 A G 8: 81,341,774 (GRCm39) K1356E probably benign Het
Fus A T 7: 127,571,741 (GRCm39) probably benign Het
Gabarapl2 C A 8: 112,669,201 (GRCm39) S53* probably null Het
Gjd3 A C 11: 102,691,733 (GRCm39) M90R probably damaging Het
Gm30083 C T 14: 33,725,557 (GRCm39) probably null Het
Gm7356 T A 17: 14,221,387 (GRCm39) Y214F probably benign Het
Hexd A T 11: 121,113,164 (GRCm39) D533V probably benign Het
Ift172 G A 5: 31,414,930 (GRCm39) A1364V probably damaging Het
Inpp5e C A 2: 26,297,774 (GRCm39) probably null Het
Iqcb1 A G 16: 36,660,274 (GRCm39) T146A possibly damaging Het
Kcnmb2 A G 3: 32,252,465 (GRCm39) Y222C probably damaging Het
Kdm6b A G 11: 69,297,588 (GRCm39) W284R probably damaging Het
Khdc4 T A 3: 88,593,824 (GRCm39) M71K probably damaging Het
Ksr2 T A 5: 117,903,626 (GRCm39) *952R probably null Het
Ldlrap1 C A 4: 134,495,285 (GRCm39) probably benign Het
Mpdu1 G A 11: 69,548,881 (GRCm39) probably benign Het
Mrgprh A T 17: 13,095,822 (GRCm39) T21S probably benign Het
Muc16 T A 9: 18,549,833 (GRCm39) T5487S probably benign Het
Mydgf A G 17: 56,490,737 (GRCm39) probably null Het
Napa T C 7: 15,849,182 (GRCm39) C241R possibly damaging Het
Or10ab4 C A 7: 107,654,312 (GRCm39) A41E possibly damaging Het
Or10n7-ps1 T C 9: 39,598,187 (GRCm39) T18A possibly damaging Het
Or5k17 A T 16: 58,746,648 (GRCm39) Y95* probably null Het
Pla2g4f A T 2: 120,137,782 (GRCm39) L326Q probably damaging Het
Pramel16 T C 4: 143,675,366 (GRCm39) T487A probably benign Het
Psme4 T A 11: 30,787,291 (GRCm39) Y1029N probably damaging Het
Ptprj T C 2: 90,289,858 (GRCm39) T707A possibly damaging Het
Raet1e T A 10: 22,050,256 (GRCm39) M13K possibly damaging Het
Rftn2 T C 1: 55,233,508 (GRCm39) probably null Het
Rmi1 A G 13: 58,557,169 (GRCm39) I473V probably benign Het
Rps6ka4 A G 19: 6,815,437 (GRCm39) F186L probably damaging Het
Ryr1 T A 7: 28,751,751 (GRCm39) M3672L possibly damaging Het
Smarca5 A T 8: 81,431,949 (GRCm39) C890S possibly damaging Het
Spata31d1e T A 13: 59,889,872 (GRCm39) K231N possibly damaging Het
Tdrd12 C T 7: 35,185,024 (GRCm39) probably null Het
Tecta T C 9: 42,259,293 (GRCm39) N1530S probably damaging Het
Tenm4 G A 7: 96,202,703 (GRCm39) R106H probably benign Het
Tmem94 A G 11: 115,676,656 (GRCm39) S54G possibly damaging Het
Tnk2 T C 16: 32,482,696 (GRCm39) V41A probably damaging Het
Trpm1 A G 7: 63,918,045 (GRCm39) T462A probably benign Het
Tsg101 T C 7: 46,556,847 (GRCm39) T61A probably benign Het
Usp42 T C 5: 143,713,724 (GRCm39) N17D probably damaging Het
Zfp607a T A 7: 27,578,473 (GRCm39) C514* probably null Het
Zfp866 G T 8: 70,218,871 (GRCm39) Q250K probably damaging Het
Other mutations in Ighmbp2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00423:Ighmbp2 APN 19 3,318,704 (GRCm39) missense probably benign 0.02
IGL01160:Ighmbp2 APN 19 3,326,750 (GRCm39) splice site probably benign
IGL01358:Ighmbp2 APN 19 3,318,817 (GRCm39) missense probably damaging 1.00
IGL01478:Ighmbp2 APN 19 3,324,531 (GRCm39) missense probably benign 0.04
IGL01509:Ighmbp2 APN 19 3,318,711 (GRCm39) missense possibly damaging 0.90
IGL01557:Ighmbp2 APN 19 3,331,472 (GRCm39) missense probably benign 0.13
IGL01635:Ighmbp2 APN 19 3,317,265 (GRCm39) missense possibly damaging 0.94
IGL01712:Ighmbp2 APN 19 3,323,038 (GRCm39) splice site probably benign
IGL01949:Ighmbp2 APN 19 3,315,538 (GRCm39) missense probably benign 0.01
IGL03106:Ighmbp2 APN 19 3,323,022 (GRCm39) missense possibly damaging 0.87
IGL03212:Ighmbp2 APN 19 3,329,942 (GRCm39) missense probably damaging 1.00
R0038:Ighmbp2 UTSW 19 3,312,097 (GRCm39) missense probably damaging 0.96
R0455:Ighmbp2 UTSW 19 3,315,072 (GRCm39) missense probably benign 0.34
R1661:Ighmbp2 UTSW 19 3,317,246 (GRCm39) missense probably damaging 1.00
R1756:Ighmbp2 UTSW 19 3,318,669 (GRCm39) missense probably damaging 0.99
R1851:Ighmbp2 UTSW 19 3,312,075 (GRCm39) missense probably benign 0.12
R2055:Ighmbp2 UTSW 19 3,315,095 (GRCm39) missense probably benign 0.00
R2194:Ighmbp2 UTSW 19 3,315,116 (GRCm39) missense probably benign 0.00
R3838:Ighmbp2 UTSW 19 3,321,658 (GRCm39) missense probably benign 0.01
R4409:Ighmbp2 UTSW 19 3,321,536 (GRCm39) missense probably benign
R4583:Ighmbp2 UTSW 19 3,315,324 (GRCm39) missense probably benign 0.01
R4806:Ighmbp2 UTSW 19 3,311,589 (GRCm39) missense probably damaging 1.00
R5091:Ighmbp2 UTSW 19 3,315,084 (GRCm39) missense possibly damaging 0.55
R5274:Ighmbp2 UTSW 19 3,315,518 (GRCm39) missense probably damaging 1.00
R5319:Ighmbp2 UTSW 19 3,321,646 (GRCm39) missense probably damaging 0.99
R5500:Ighmbp2 UTSW 19 3,318,687 (GRCm39) missense possibly damaging 0.69
R5574:Ighmbp2 UTSW 19 3,321,536 (GRCm39) missense probably benign
R5698:Ighmbp2 UTSW 19 3,324,538 (GRCm39) missense probably damaging 1.00
R5722:Ighmbp2 UTSW 19 3,329,909 (GRCm39) missense probably damaging 1.00
R5864:Ighmbp2 UTSW 19 3,311,467 (GRCm39) missense probably benign 0.00
R5980:Ighmbp2 UTSW 19 3,315,295 (GRCm39) missense probably benign
R6194:Ighmbp2 UTSW 19 3,312,003 (GRCm39) missense possibly damaging 0.90
R7051:Ighmbp2 UTSW 19 3,311,462 (GRCm39) missense probably damaging 0.98
R7147:Ighmbp2 UTSW 19 3,321,676 (GRCm39) missense probably benign 0.05
R7257:Ighmbp2 UTSW 19 3,316,405 (GRCm39) missense probably damaging 1.00
R7274:Ighmbp2 UTSW 19 3,314,951 (GRCm39) missense probably benign
R7567:Ighmbp2 UTSW 19 3,322,981 (GRCm39) missense probably benign 0.01
R7737:Ighmbp2 UTSW 19 3,324,467 (GRCm39) missense unknown
R7819:Ighmbp2 UTSW 19 3,317,276 (GRCm39) missense possibly damaging 0.46
R7877:Ighmbp2 UTSW 19 3,311,490 (GRCm39) missense probably damaging 1.00
R8175:Ighmbp2 UTSW 19 3,316,365 (GRCm39) missense possibly damaging 0.47
R8417:Ighmbp2 UTSW 19 3,311,590 (GRCm39) missense probably damaging 1.00
R8951:Ighmbp2 UTSW 19 3,318,726 (GRCm39) nonsense probably null
R9171:Ighmbp2 UTSW 19 3,315,641 (GRCm39) missense possibly damaging 0.95
R9409:Ighmbp2 UTSW 19 3,318,832 (GRCm39) missense possibly damaging 0.47
R9567:Ighmbp2 UTSW 19 3,332,785 (GRCm39) start codon destroyed probably null 0.99
R9663:Ighmbp2 UTSW 19 3,315,325 (GRCm39) missense probably benign 0.27
R9752:Ighmbp2 UTSW 19 3,324,360 (GRCm39) missense probably benign 0.00
Z1177:Ighmbp2 UTSW 19 3,321,665 (GRCm39) nonsense probably null
Z1177:Ighmbp2 UTSW 19 3,317,242 (GRCm39) missense probably null 1.00
Z1177:Ighmbp2 UTSW 19 3,315,635 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACATGCTGGACTAAGGGGAC -3'
(R):5'- ATTGCTTCCTGTTCCCAGAG -3'

Sequencing Primer
(F):5'- ACCCTGCTGAGTGAAGGC -3'
(R):5'- AACGTCAGGGTCATCTTCAG -3'
Posted On 2018-11-06