Incidental Mutation 'R8417:Ighmbp2'
ID 653016
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 067771-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8417 (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 3311590 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Valine at position 942 (I942V)
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: I942V

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000025751
Gene: ENSMUSG00000024831
AA Change: I942V

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 unknown
Transcript: ENSMUST00000119292
AA Change: D885G
SMART Domains Protein: ENSMUSP00000113438
Gene: ENSMUSG00000024831
AA Change: D885G

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: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
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: 39 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
AB124611 T C 9: 21,440,381 (GRCm39) probably null Het
Adamtsl1 G A 4: 86,074,926 (GRCm39) D98N possibly damaging Het
Adgrb3 T C 1: 25,527,134 (GRCm39) T601A probably benign Het
Ankrd33 C A 15: 101,017,330 (GRCm39) Q248K probably benign Het
Bsn G A 9: 107,988,651 (GRCm39) A2367V probably benign Het
Casp12 G T 9: 5,352,263 (GRCm39) C155F probably benign Het
Ccn6 T A 10: 39,027,207 (GRCm39) R342* probably null Het
Clpp T C 17: 57,297,661 (GRCm39) V81A probably benign Het
Cyp3a59 A T 5: 146,027,495 (GRCm39) I89F possibly damaging Het
Fam227b C A 2: 125,962,982 (GRCm39) W178L probably damaging Het
Fcna C A 2: 25,514,863 (GRCm39) R332L probably damaging Het
Gdf3 T G 6: 122,583,566 (GRCm39) H267P probably damaging Het
Gm5592 A G 7: 40,937,975 (GRCm39) D419G probably benign Het
Gm6882 A G 7: 21,161,220 (GRCm39) V216A probably damaging Het
Gsdma3 A G 11: 98,520,603 (GRCm39) N78S probably benign Het
Hsd3b9 G A 3: 98,363,731 (GRCm39) T38I probably benign Het
Hydin T C 8: 111,296,024 (GRCm39) I3579T probably benign Het
Lamc1 A G 1: 153,106,515 (GRCm39) Y1266H probably damaging Het
Lgi3 T C 14: 70,772,246 (GRCm39) Y264H probably benign Het
Lmod2 G A 6: 24,603,384 (GRCm39) E120K possibly damaging Het
Mbl2 G T 19: 30,216,884 (GRCm39) C232F probably damaging Het
Morc1 T C 16: 48,281,103 (GRCm39) V214A probably damaging Het
Nlrp4b T A 7: 10,459,880 (GRCm39) C827* probably null Het
Or12k5 T A 2: 36,894,658 (GRCm39) T323S probably benign Het
Or5t7 A G 2: 86,507,149 (GRCm39) F176S probably damaging Het
Pbrm1 T A 14: 30,749,419 (GRCm39) H72Q possibly damaging Het
Plekhm2 T C 4: 141,355,136 (GRCm39) I944V probably benign Het
Prdm8 A T 5: 98,332,390 (GRCm39) D97V probably damaging Het
Preb G A 5: 31,117,461 (GRCm39) probably benign Het
Prkcd T C 14: 30,331,208 (GRCm39) K56E probably benign Het
Slit3 A T 11: 35,501,438 (GRCm39) I391F probably damaging Het
Spata19 A G 9: 27,309,266 (GRCm39) S91G probably benign Het
Stag3 A G 5: 138,306,850 (GRCm39) T1134A probably benign Het
Tgfbr2 A T 9: 115,939,197 (GRCm39) M235K probably benign Het
Tmtc2 A T 10: 105,249,097 (GRCm39) I212N probably damaging Het
Tnfrsf26 C T 7: 143,168,639 (GRCm39) R133K probably benign Het
Trim43c C A 9: 88,725,191 (GRCm39) Q238K probably benign Het
Vcan T C 13: 89,836,862 (GRCm39) D2894G probably benign Het
Zeb2 C T 2: 44,913,008 (GRCm39) S105N 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
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
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'- GAAATGGCCAGTGTAGGACC -3'
(R):5'- AGCTGTGAAAGTTAGGCCTGG -3'

Sequencing Primer
(F):5'- GCCAGTGTAGGACCGTGTC -3'
(R):5'- TGTGAAAGTTAGGCCTGGGGAAG -3'
Posted On 2020-10-20