Incidental Mutation 'R7274:Ighmbp2'
ID 565487
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 067851-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7274 (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 G at 3314951 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 823 (V823A)
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 benign
Transcript: ENSMUST00000025751
AA Change: V823A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000025751
Gene: ENSMUSG00000024831
AA Change: V823A

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: V823A

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000113438
Gene: ENSMUSG00000024831
AA Change: V823A

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
SMART Domains Protein: ENSMUSP00000122827
Gene: ENSMUSG00000024831

DomainStartEndE-ValueType
PDB:4B3F|X 3 160 2e-80 PDB
low complexity region 230 244 N/A INTRINSIC
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency 100% (61/61)
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: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1190005I06Rik T C 8: 121,338,005 (GRCm39) S69G possibly damaging Het
Alg12 G A 15: 88,690,910 (GRCm39) S337F probably damaging Het
Bcl11a T C 11: 24,113,985 (GRCm39) S443P probably damaging Het
C1qtnf4 T C 2: 90,719,885 (GRCm39) Y53H probably damaging Het
Cacna1d T A 14: 29,864,600 (GRCm39) E454V probably damaging Het
Cacna1h A G 17: 25,597,811 (GRCm39) F1761S probably damaging Het
Cacna1i A T 15: 80,261,023 (GRCm39) I1344F possibly damaging Het
Cat T C 2: 103,307,235 (GRCm39) N33D probably benign Het
Cdh17 C T 4: 11,783,174 (GRCm39) Q172* probably null Het
Chrna2 A G 14: 66,386,675 (GRCm39) I274V probably benign Het
Cog2 T G 8: 125,262,258 (GRCm39) S299A possibly damaging Het
Cpa6 C A 1: 10,479,524 (GRCm39) M236I probably damaging Het
Crym T A 7: 119,789,742 (GRCm39) Q242L probably benign Het
Ddx60 T C 8: 62,393,142 (GRCm39) probably null Het
Eif4a3l1 A G 6: 136,306,396 (GRCm39) T286A possibly damaging Het
Epdr1 A T 13: 19,777,458 (GRCm39) I180N possibly damaging Het
Fancd2os G A 6: 113,574,851 (GRCm39) L52F probably benign Het
Fbxo16 C A 14: 65,558,716 (GRCm39) R292S probably benign Het
Fn1 T C 1: 71,667,272 (GRCm39) Q820R probably benign Het
Gm4131 T A 14: 62,704,301 (GRCm39) Y140F possibly damaging Het
Grin2a T C 16: 9,396,986 (GRCm39) R1034G possibly damaging Het
Hypk A G 2: 121,284,805 (GRCm39) probably benign Het
Irf5 A G 6: 29,534,039 (GRCm39) N95S probably damaging Het
Kdr A T 5: 76,125,360 (GRCm39) M379K probably benign Het
Kif19a G T 11: 114,656,281 (GRCm39) probably benign Het
Klhdc4 T C 8: 122,526,397 (GRCm39) probably null Het
Lama2 A T 10: 26,995,976 (GRCm39) I1717N probably damaging Het
Lama4 A T 10: 38,968,295 (GRCm39) Q1479L probably benign Het
Lgr5 T A 10: 115,288,410 (GRCm39) T745S probably damaging Het
Lifr T A 15: 7,196,540 (GRCm39) probably null Het
Llgl1 C T 11: 60,596,812 (GRCm39) R138C possibly damaging Het
Mccc1 A T 3: 36,044,005 (GRCm39) V246E probably damaging Het
Mdn1 T A 4: 32,725,944 (GRCm39) L2621H probably benign Het
Mecr C A 4: 131,581,089 (GRCm39) A80D probably damaging Het
Mia2 A G 12: 59,154,905 (GRCm39) E206G probably damaging Het
Nubpl A G 12: 52,179,203 (GRCm39) probably benign Het
Obscn C T 11: 59,024,053 (GRCm39) R539H probably damaging Het
Or4n4b T A 14: 50,535,879 (GRCm39) T296S probably benign Het
Or8h10 A G 2: 86,808,867 (GRCm39) V91A probably benign Het
Pde5a A T 3: 122,648,895 (GRCm39) K838* probably null Het
Pgm3 A G 9: 86,444,650 (GRCm39) L295P probably damaging Het
Pkp2 T C 16: 16,064,793 (GRCm39) L439P possibly damaging Het
Polr1a T A 6: 71,897,500 (GRCm39) C205* probably null Het
Rab3gap1 T A 1: 127,855,249 (GRCm39) I429K probably benign Het
Rassf8 T C 6: 145,761,295 (GRCm39) V207A probably benign Het
Sacs T A 14: 61,451,530 (GRCm39) D4525E possibly damaging Het
Sec24a A T 11: 51,598,082 (GRCm39) L864Q probably damaging Het
Spats2l C A 1: 57,918,672 (GRCm39) Y35* probably null Het
Sptlc2 A T 12: 87,388,380 (GRCm39) D367E probably benign Het
Ssc4d T C 5: 135,996,810 (GRCm39) D97G possibly damaging Het
Tjp1 A G 7: 65,177,400 (GRCm39) Y3H possibly damaging Het
Tkt T A 14: 30,291,102 (GRCm39) probably null Het
Trim60 T A 8: 65,453,133 (GRCm39) N372I possibly damaging Het
Trpm2 T C 10: 77,759,389 (GRCm39) N1132D probably benign Het
Tsc22d1 T C 14: 76,654,154 (GRCm39) I211T probably damaging Het
Ttc39b T C 4: 83,180,088 (GRCm39) K132E possibly damaging Het
Ttn C T 2: 76,553,932 (GRCm39) V30924I probably damaging Het
Tubgcp6 G A 15: 88,987,173 (GRCm39) Q1267* probably null Het
Zfp30 C A 7: 29,492,043 (GRCm39) T180N probably benign Het
Zp2 A G 7: 119,731,614 (GRCm39) *714R probably null 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
R6939:Ighmbp2 UTSW 19 3,326,907 (GRCm39) missense probably damaging 0.97
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
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'- CTAGAGATGTGCCTGAGAGATGTG -3'
(R):5'- TCCCTGAGTTCCCATGACAG -3'

Sequencing Primer
(F):5'- CCTGAGAGATGTGGCTTTACC -3'
(R):5'- TCCACCAGTTAGCTGAGGAGTTC -3'
Posted On 2019-06-26