Incidental Mutation 'R6194:Ighmbp2'
ID 502816
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 044334-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6194 (G1)
Quality Score 225.009
Status Not validated
Chromosome 19
Chromosomal Location 3309076-3333011 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 3312003 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Leucine at position 917 (R917L)
Ref Sequence ENSEMBL: ENSMUSP00000025751 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025751] [ENSMUST00000119292] [ENSMUST00000154537]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000025751
AA Change: R917L

PolyPhen 2 Score 0.899 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000025751
Gene: ENSMUSG00000024831
AA Change: R917L

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
SMART Domains Protein: ENSMUSP00000113438
Gene: ENSMUSG00000024831

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 noncoding transcript
Transcript: ENSMUST00000143079
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: 99.5%
  • 20x: 98.6%
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
5031410I06Rik T C 5: 26,309,033 (GRCm39) I90V probably benign Het
Afap1l2 T A 19: 56,911,383 (GRCm39) R370S probably damaging Het
Alcam A G 16: 52,088,761 (GRCm39) Y537H probably damaging Het
Araf G T X: 20,726,339 (GRCm39) R601L probably damaging Homo
Asap1 A G 15: 64,001,058 (GRCm39) S508P probably damaging Het
Atg5 T C 10: 44,170,612 (GRCm39) L86P probably damaging Het
Atp13a5 G A 16: 29,127,057 (GRCm39) P502S probably damaging Het
AW209491 T A 13: 14,811,705 (GRCm39) I186K possibly damaging Het
Baz1b T C 5: 135,272,744 (GRCm39) Y1354H probably damaging Het
Card6 A T 15: 5,127,926 (GRCm39) S1157T unknown Het
Chil6 A G 3: 106,312,192 (GRCm39) probably null Het
Chrna1 A G 2: 73,400,816 (GRCm39) V238A probably benign Het
Cluap1 A G 16: 3,747,770 (GRCm39) S308G probably benign Het
Cntnap4 A G 8: 113,602,061 (GRCm39) D1155G probably damaging Het
Cptp A G 4: 155,951,098 (GRCm39) F123L probably damaging Het
Elapor1 T C 3: 108,373,095 (GRCm39) I600V probably benign Het
Fbxw2 G A 2: 34,697,416 (GRCm39) T317I probably damaging Het
Gc A T 5: 89,589,438 (GRCm39) V197E probably benign Het
Gusb C T 5: 130,018,906 (GRCm39) V577M possibly damaging Het
Hectd1 A T 12: 51,795,228 (GRCm39) N2400K probably damaging Het
Hnrnph1 T A 11: 50,274,104 (GRCm39) D340E possibly damaging Het
Hs3st1 C A 5: 39,771,748 (GRCm39) K298N probably damaging Het
Hunk A T 16: 90,293,283 (GRCm39) T522S probably damaging Het
Ifit3 T C 19: 34,565,027 (GRCm39) F191S probably benign Het
Ifnab T A 4: 88,609,362 (GRCm39) K35* probably null Het
Ifnab G T 4: 88,609,363 (GRCm39) N34K probably damaging Het
Igkv13-84 C T 6: 68,916,916 (GRCm39) A71V possibly damaging Het
Irag1 T C 7: 110,498,901 (GRCm39) N377D probably damaging Het
Lim2 T A 7: 43,085,086 (GRCm39) C159S probably damaging Het
Lrrc56 T C 7: 140,785,564 (GRCm39) Y147H probably damaging Het
Ltn1 A G 16: 87,212,698 (GRCm39) L621P probably damaging Het
Mapk8ip1 C A 2: 92,219,589 (GRCm39) G81C probably damaging Het
Mboat2 T A 12: 24,996,637 (GRCm39) S213R probably benign Het
Mmel1 T A 4: 154,967,673 (GRCm39) C99* probably null Het
Myo9a A G 9: 59,777,033 (GRCm39) I1144V probably benign Het
Naa15 A G 3: 51,370,721 (GRCm39) T612A probably benign Het
Naalad2 C T 9: 18,262,443 (GRCm39) V362I probably benign Het
Nbeal1 A T 1: 60,296,643 (GRCm39) I1178F possibly damaging Het
Nras C A 3: 102,966,269 (GRCm39) A11E probably damaging Het
Or13f5 T A 4: 52,825,779 (GRCm39) C127* probably null Het
Or56a3b G T 7: 104,771,377 (GRCm39) V238L probably benign Het
Pcdhb7 A G 18: 37,475,199 (GRCm39) T112A probably damaging Het
Peg10 C CCCATCAGGA 6: 4,756,351 (GRCm39) probably benign Het
Pfkfb2 A G 1: 130,625,624 (GRCm39) *519Q probably null Het
Prodh A T 16: 17,890,381 (GRCm39) H515Q probably benign Het
Rbfox2 T C 15: 76,968,357 (GRCm39) T435A possibly damaging Het
Rbks T C 5: 31,824,234 (GRCm39) E87G probably benign Het
Scyl1 G T 19: 5,820,334 (GRCm39) Q167K possibly damaging Het
Serpina3i T A 12: 104,232,762 (GRCm39) D222E probably benign Het
Slc36a4 T A 9: 15,638,172 (GRCm39) C199* probably null Het
Slx1b C T 7: 126,291,503 (GRCm39) R187H possibly damaging Het
Stxbp5 A G 10: 9,693,083 (GRCm39) F348L probably damaging Het
Tbc1d2 C T 4: 46,629,912 (GRCm39) G252R probably benign Het
Tfpt A T 7: 3,632,026 (GRCm39) L28Q probably damaging Het
Trap1 G A 16: 3,872,664 (GRCm39) T335M possibly damaging Het
Zcchc2 T A 1: 105,918,847 (GRCm39) F110I probably damaging Het
Zfp345 A T 2: 150,314,551 (GRCm39) C329S 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
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
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'- GTCCCTCAGCAAAGGTGTAC -3'
(R):5'- AATCCCACCAAGGACTGTGGAG -3'

Sequencing Primer
(F):5'- AGCAAAGGTGTACTCATCTCCTTGG -3'
(R):5'- TGTGGAGGTAGGGCATCCC -3'
Posted On 2018-02-27