Incidental Mutation 'R5722:Ighmbp2'
ID 452300
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 043340-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5722 (G1)
Quality Score 225
Status Not validated
Chromosome 19
Chromosomal Location 3309076-3333011 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 3329909 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 115 (V115A)
Ref Sequence ENSEMBL: ENSMUSP00000122827 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000025743] [ENSMUST00000025745] [ENSMUST00000025751] [ENSMUST00000119292] [ENSMUST00000141610] [ENSMUST00000154537]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000025743
SMART Domains Protein: ENSMUSP00000025743
Gene: ENSMUSG00000024829

DomainStartEndE-ValueType
low complexity region 2 13 N/A INTRINSIC
Pfam:Ribosomal_L21p 99 197 7.5e-25 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000025745
SMART Domains Protein: ENSMUSP00000025745
Gene: ENSMUSG00000024829

DomainStartEndE-ValueType
low complexity region 2 13 N/A INTRINSIC
Pfam:Ribosomal_L21p 99 192 6e-22 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000025751
AA Change: V115A

PolyPhen 2 Score 0.985 (Sensitivity: 0.74; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000025751
Gene: ENSMUSG00000024831
AA Change: V115A

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 damaging
Transcript: ENSMUST00000119292
AA Change: V115A

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000113438
Gene: ENSMUSG00000024831
AA Change: V115A

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: ENSMUST00000139844
Predicted Effect probably benign
Transcript: ENSMUST00000141610
SMART Domains Protein: ENSMUSP00000120330
Gene: ENSMUSG00000024829

DomainStartEndE-ValueType
low complexity region 2 13 N/A INTRINSIC
PDB:4CE4|V 14 53 1e-5 PDB
Predicted Effect probably damaging
Transcript: ENSMUST00000154537
AA Change: V115A

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000122827
Gene: ENSMUSG00000024831
AA Change: V115A

DomainStartEndE-ValueType
PDB:4B3F|X 3 160 2e-80 PDB
low complexity region 230 244 N/A INTRINSIC
Predicted Effect noncoding transcript
Transcript: ENSMUST00000155870
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.3%
  • 10x: 96.5%
  • 20x: 93.0%
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: 50 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actl6a G A 3: 32,772,194 (GRCm39) R164H probably damaging Het
Afg3l2 A G 18: 67,573,269 (GRCm39) Y178H probably benign Het
Agtr1a A G 13: 30,566,016 (GRCm39) *360W probably null Het
Arfgef1 A G 1: 10,209,109 (GRCm39) V1830A probably benign Het
Asic2 A T 11: 81,858,806 (GRCm39) S69T probably benign Het
Axin1 A T 17: 26,401,531 (GRCm39) N368Y probably damaging Het
Brme1 A G 8: 84,898,473 (GRCm39) E537G probably damaging Het
Ces1d G A 8: 93,904,756 (GRCm39) P328L probably benign Het
Cndp2 T A 18: 84,686,203 (GRCm39) K461* probably null Het
Cntnap5c A T 17: 58,620,852 (GRCm39) H977L probably benign Het
Fkbpl G A 17: 34,864,303 (GRCm39) A24T probably benign Het
Glg1 T C 8: 111,896,194 (GRCm39) T177A possibly damaging Het
Gm7168 T C 17: 14,169,824 (GRCm39) V397A probably benign Het
Hif1a T A 12: 73,988,533 (GRCm39) D535E probably benign Het
Hjurp GT GTT 1: 88,194,246 (GRCm39) probably null Het
Ice1 T C 13: 70,763,219 (GRCm39) E173G possibly damaging Het
Irf2 A T 8: 47,271,831 (GRCm39) E101D possibly damaging Het
Kat8 G A 7: 127,523,988 (GRCm39) E343K probably damaging Het
Kyat1 C T 2: 30,078,123 (GRCm39) C127Y probably damaging Het
Mrgpra4 T C 7: 47,630,755 (GRCm39) H282R probably benign Het
Npsr1 C A 9: 24,225,096 (GRCm39) P368Q probably damaging Het
Nwd1 G A 8: 73,401,872 (GRCm39) V839M probably damaging Het
Or51a43 T A 7: 103,717,930 (GRCm39) M103L probably damaging Het
Or6n2 G T 1: 173,897,436 (GRCm39) D191Y probably damaging Het
P4ha3 A G 7: 99,955,198 (GRCm39) D351G probably benign Het
Pard3b T A 1: 62,479,160 (GRCm39) probably null Het
Pgap6 CGGGG CGGGGG 17: 26,339,536 (GRCm39) probably null Het
Pik3c2b G T 1: 133,031,574 (GRCm39) G1505W probably damaging Het
Plppr5 A T 3: 117,414,714 (GRCm39) I112L probably benign Het
Potefam1 T A 2: 111,034,468 (GRCm39) T355S probably benign Het
Ptprq A G 10: 107,522,226 (GRCm39) I575T possibly damaging Het
Ranbp3l A G 15: 9,029,656 (GRCm39) E46G probably damaging Het
Rbm46 A G 3: 82,772,640 (GRCm39) V164A possibly damaging Het
Sap25 A G 5: 137,639,713 (GRCm39) E13G probably benign Het
Setbp1 A T 18: 78,899,860 (GRCm39) V1269E possibly damaging Het
Smgc T A 15: 91,726,109 (GRCm39) S18R possibly damaging Het
Snrk T C 9: 121,993,072 (GRCm39) I345T probably benign Het
Sp4 T A 12: 118,262,976 (GRCm39) I357F possibly damaging Het
Sra1 A G 18: 36,808,031 (GRCm39) L399P probably damaging Het
Stat6 A G 10: 127,494,242 (GRCm39) T658A probably benign Het
Sv2a G A 3: 96,092,339 (GRCm39) R13H probably benign Het
Thoc3 G T 13: 54,608,014 (GRCm39) T310N probably damaging Het
Tox3 A C 8: 91,074,489 (GRCm39) probably null Het
Trpc6 A G 9: 8,680,550 (GRCm39) E848G possibly damaging Het
Ttn T A 2: 76,538,590 (GRCm39) T34703S possibly damaging Het
Ttn T C 2: 76,776,312 (GRCm39) I1577V probably damaging Het
Ubqln3 G A 7: 103,790,674 (GRCm39) P472L probably benign Het
Ugt2b36 C T 5: 87,240,297 (GRCm39) W29* probably null Het
Wdr17 C T 8: 55,113,806 (GRCm39) probably null Het
Zfp790 C A 7: 29,529,514 (GRCm39) S733* 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
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
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'- TCAACACAAGTAAGGGTGCCC -3'
(R):5'- TCATACCACACATCTGAGTCAG -3'

Sequencing Primer
(F):5'- AGTAAGGGTGCCCATGAGTCC -3'
(R):5'- ACACATCTGAGTCAGCTTCAGGG -3'
Posted On 2017-01-03