Incidental Mutation 'R7147:Ighmbp2'
ID 553917
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 045224-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7147 (G1)
Quality Score 225.009
Status Not validated
Chromosome 19
Chromosomal Location 3309076-3333011 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 3321676 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Arginine at position 361 (K361R)
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: K361R

PolyPhen 2 Score 0.052 (Sensitivity: 0.94; Specificity: 0.83)
SMART Domains Protein: ENSMUSP00000025751
Gene: ENSMUSG00000024831
AA Change: K361R

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: K361R

PolyPhen 2 Score 0.005 (Sensitivity: 0.97; Specificity: 0.74)
SMART Domains Protein: ENSMUSP00000113438
Gene: ENSMUSG00000024831
AA Change: K361R

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 98.9%
Validation Efficiency
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: 67 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy4 C T 14: 56,017,182 (GRCm39) G303D probably damaging Het
Adgra3 C T 5: 50,118,587 (GRCm39) G987D probably damaging Het
Akap11 A G 14: 78,748,905 (GRCm39) S1161P Het
Ampd3 G A 7: 110,404,059 (GRCm39) E528K probably damaging Het
Arl8b G A 6: 108,791,976 (GRCm39) R79Q probably damaging Het
Atf4 AAGCGGGCTGAGC AAGC 15: 80,141,500 (GRCm39) probably benign Het
Cald1 A T 6: 34,723,231 (GRCm39) Q105L Het
Casd1 T C 6: 4,624,187 (GRCm39) Y327H probably benign Het
Chodl T A 16: 78,743,629 (GRCm39) C239S probably damaging Het
D130043K22Rik A T 13: 25,066,546 (GRCm39) H781L probably benign Het
Dlg1 A T 16: 31,610,672 (GRCm39) M318L probably benign Het
Dlgap1 T C 17: 70,969,753 (GRCm39) S520P probably benign Het
Dmxl2 T C 9: 54,324,013 (GRCm39) I950V probably benign Het
Dnah17 T A 11: 117,985,755 (GRCm39) T1441S probably benign Het
Dock7 A T 4: 98,849,654 (GRCm39) N1638K unknown Het
Ect2 A T 3: 27,204,239 (GRCm39) D23E probably benign Het
Ephx1 T A 1: 180,829,384 (GRCm39) T55S probably damaging Het
F11 T C 8: 45,703,183 (GRCm39) Y169C probably damaging Het
Fbxw27 A G 9: 109,618,391 (GRCm39) probably null Het
Fhl5 T A 4: 25,213,777 (GRCm39) probably null Het
Gm5145 G A 17: 20,791,323 (GRCm39) E234K probably damaging Het
Gpr39 G A 1: 125,800,238 (GRCm39) D330N possibly damaging Het
Greb1 C T 12: 16,783,428 (GRCm39) R102H probably damaging Het
H4c17 A G 13: 21,996,159 (GRCm39) D69G probably damaging Het
Inpp4b A G 8: 82,629,400 (GRCm39) D245G probably damaging Het
Ints14 T C 9: 64,891,267 (GRCm39) V416A possibly damaging Het
Kif21a A G 15: 90,865,086 (GRCm39) S529P probably benign Het
Limk1 A G 5: 134,686,195 (GRCm39) M609T probably benign Het
Lrrc75a G A 11: 62,496,795 (GRCm39) P256S probably damaging Het
Mcc T C 18: 44,626,580 (GRCm39) R339G probably damaging Het
Mdga1 C T 17: 30,065,495 (GRCm39) W371* probably null Het
Mei4 T A 9: 81,809,649 (GRCm39) L244Q probably damaging Het
Mical2 C T 7: 111,922,810 (GRCm39) P605L possibly damaging Het
Mrgprf G T 7: 144,862,128 (GRCm39) R230L possibly damaging Het
Nlgn1 T A 3: 26,187,509 (GRCm39) R125S probably benign Het
Or52h7 A G 7: 104,213,273 (GRCm39) probably benign Het
Papola A T 12: 105,774,897 (GRCm39) probably benign Het
Pold2 T C 11: 5,823,095 (GRCm39) D360G probably benign Het
Prr12 T C 7: 44,683,274 (GRCm39) R1797G unknown Het
Psmg2 C T 18: 67,786,338 (GRCm39) P233S probably benign Het
Ptprh A G 7: 4,553,781 (GRCm39) W857R probably damaging Het
Raet1e A T 10: 22,057,179 (GRCm39) M168L probably benign Het
Rhbdl2 A T 4: 123,703,908 (GRCm39) Y61F probably damaging Het
Sacm1l A G 9: 123,398,016 (GRCm39) N236S probably damaging Het
Sbf2 A T 7: 110,046,268 (GRCm39) S310T probably benign Het
Sdr42e2 A T 7: 120,412,238 (GRCm39) R33S probably damaging Het
Sh3d19 T A 3: 86,011,584 (GRCm39) I390N possibly damaging Het
Slco3a1 A G 7: 74,154,042 (GRCm39) Y177H probably damaging Het
Smo G A 6: 29,758,448 (GRCm39) G531D possibly damaging Het
Snx25 A C 8: 46,558,233 (GRCm39) V258G probably damaging Het
Spata31d1b T A 13: 59,866,028 (GRCm39) S1059T probably benign Het
Srgap2 C T 1: 131,238,332 (GRCm39) C274Y Het
Srrm1 A G 4: 135,074,137 (GRCm39) I48T probably damaging Het
Syne1 A T 10: 5,199,340 (GRCm39) V3719E probably damaging Het
Tcerg1 T A 18: 42,683,128 (GRCm39) M616K probably benign Het
Tgtp2 G C 11: 48,950,135 (GRCm39) R146G probably damaging Het
Tie1 A T 4: 118,341,610 (GRCm39) V234D probably damaging Het
Tom1 A G 8: 75,783,895 (GRCm39) N293S probably damaging Het
Trim13 A T 14: 61,842,080 (GRCm39) K32N probably damaging Het
Trim6 G A 7: 103,874,777 (GRCm39) V5I probably benign Het
Vps11 A T 9: 44,266,379 (GRCm39) L436* probably null Het
Vps50 C T 6: 3,567,750 (GRCm39) Q549* probably null Het
Vtcn1 T A 3: 100,791,210 (GRCm39) F83I probably damaging Het
Zfp131 T C 13: 120,228,079 (GRCm39) T523A probably benign Het
Zfp758 A T 17: 22,594,981 (GRCm39) Y489F possibly damaging Het
Zfp804a T C 2: 82,088,531 (GRCm39) Y787H probably benign Het
Zfp9 C T 6: 118,441,963 (GRCm39) C233Y 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
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
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'- GTGGACACCAAAGTTCAGCAC -3'
(R):5'- CATCCTCCTATGGCTGTGTG -3'

Sequencing Primer
(F):5'- CTGAGAGCCACGTGACTGAG -3'
(R):5'- GAGAAGGCAGTTCTGTTCTTCCAAC -3'
Posted On 2019-05-15