Incidental Mutation 'R4275:Igf2'
ID 324756
Institutional Source Beutler Lab
Gene Symbol Igf2
Ensembl Gene ENSMUSG00000048583
Gene Name insulin-like growth factor 2
Synonyms Igf-2, Igf-II, Mpr, M6pr, Peg2
MMRRC Submission 041646-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.436) question?
Stock # R4275 (G1)
Quality Score 225
Status Validated
Chromosome 7
Chromosomal Location 142204503-142220553 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 142209523 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Valine at position 46 (M46V)
Ref Sequence ENSEMBL: ENSMUSP00000136786 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000000033] [ENSMUST00000097936] [ENSMUST00000105935] [ENSMUST00000105936] [ENSMUST00000121128] [ENSMUST00000178921] [ENSMUST00000145896] [ENSMUST00000228850]
AlphaFold P09535
Predicted Effect probably benign
Transcript: ENSMUST00000000033
AA Change: M9V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000000033
Gene: ENSMUSG00000048583
AA Change: M9V

DomainStartEndE-ValueType
signal peptide 1 24 N/A INTRINSIC
IlGF 30 84 2.09e-22 SMART
Pfam:IGF2_C 112 166 3.2e-29 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000093631
Predicted Effect probably benign
Transcript: ENSMUST00000097936
AA Change: M9V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000095549
Gene: ENSMUSG00000048583
AA Change: M9V

DomainStartEndE-ValueType
signal peptide 1 24 N/A INTRINSIC
IlGF 30 84 2.09e-22 SMART
Pfam:IGF2_C 112 166 3.2e-29 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000105935
AA Change: M9V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000101555
Gene: ENSMUSG00000048583
AA Change: M9V

DomainStartEndE-ValueType
signal peptide 1 24 N/A INTRINSIC
IlGF 30 84 2.09e-22 SMART
Pfam:IGF2_C 112 166 3.2e-29 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000105936
AA Change: M9V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000101556
Gene: ENSMUSG00000048583
AA Change: M9V

DomainStartEndE-ValueType
signal peptide 1 24 N/A INTRINSIC
IlGF 30 84 2.09e-22 SMART
Pfam:IGF2_C 112 166 3.2e-29 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000121128
AA Change: M20V

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000114076
Gene: ENSMUSG00000048583
AA Change: M20V

DomainStartEndE-ValueType
signal peptide 1 35 N/A INTRINSIC
IlGF 41 95 2.09e-22 SMART
Pfam:IGF2_C 123 177 6.9e-30 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141551
Predicted Effect noncoding transcript
Transcript: ENSMUST00000143666
Predicted Effect probably benign
Transcript: ENSMUST00000178921
AA Change: M46V

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000136786
Gene: ENSMUSG00000048583
AA Change: M46V

DomainStartEndE-ValueType
IlGF 67 121 2.09e-22 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000145896
AA Change: M9V

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000122653
Gene: ENSMUSG00000048583
AA Change: M9V

DomainStartEndE-ValueType
signal peptide 1 24 N/A INTRINSIC
IlGF 30 84 2.09e-22 SMART
Predicted Effect noncoding transcript
Transcript: ENSMUST00000163148
Predicted Effect noncoding transcript
Transcript: ENSMUST00000141681
Predicted Effect probably benign
Transcript: ENSMUST00000228850
Meta Mutation Damage Score 0.0712 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.6%
  • 10x: 97.4%
  • 20x: 95.7%
Validation Efficiency 98% (43/44)
MGI Phenotype FUNCTION: This gene encodes a member of the insulin-like growth factor (IGF) family of proteins that promote growth and development during fetal and postnatal life. It is an imprinted gene that is expressed only from the paternal allele. The encoded protein undergoes proteolytic processing to generate a mature peptide. The transgenic overexpression of this gene in mice results in prenatal overgrowth, polyhydramnios, fetal and neonatal lethality, disproportionate organ overgrowth including tongue enlargement, and skeletal abnormalities. Mice lacking the encoded protein exhibit growth deficiency. Alternative splicing results in multiple transcript variants encoding different isoforms that may undergo similar processing to generate mature protein. [provided by RefSeq, Oct 2015]
PHENOTYPE: Mutations that are paternally transmitted result in growth deficiency. Heterozygous mice inheriting a mutant allele from their mother appear to be phenotypically normal. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 34 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Cacna1e T C 1: 154,369,071 (GRCm39) Y322C probably damaging Het
Camsap2 A G 1: 136,198,614 (GRCm39) V1462A probably benign Het
D3Ertd751e C A 3: 41,710,589 (GRCm39) probably benign Het
Dhcr7 C T 7: 143,396,964 (GRCm39) A152V probably damaging Het
Enpep A T 3: 129,125,927 (GRCm39) N68K probably benign Het
Fam131b G A 6: 42,298,241 (GRCm39) L43F probably damaging Het
Fbxl5 T A 5: 43,920,114 (GRCm39) probably benign Het
Hspg2 C T 4: 137,246,251 (GRCm39) R1010C probably damaging Het
Hycc2 T C 1: 58,569,092 (GRCm39) T440A probably benign Het
Kntc1 T A 5: 123,905,842 (GRCm39) Y367N probably damaging Het
Mapk8ip2 T C 15: 89,343,198 (GRCm39) W647R probably damaging Het
Mettl21c C T 1: 44,049,716 (GRCm39) V110I probably damaging Het
Mrgprh T C 17: 13,096,114 (GRCm39) L118P probably damaging Het
Myadm A G 7: 3,345,618 (GRCm39) T127A probably benign Het
Myh10 A T 11: 68,642,766 (GRCm39) probably null Het
Nadk T A 4: 155,668,712 (GRCm39) Y128N probably benign Het
Or5g27 T C 2: 85,410,207 (GRCm39) V208A probably benign Het
Or8k39 T C 2: 86,563,936 (GRCm39) T7A probably damaging Het
Papolg A G 11: 23,818,378 (GRCm39) I500T probably benign Het
Pkhd1 A T 1: 20,128,608 (GRCm39) C4032S probably benign Het
Rnase1 A T 14: 51,383,327 (GRCm39) L9Q probably damaging Het
Rspry1 G T 8: 95,376,389 (GRCm39) V304L probably benign Het
Sall2 C A 14: 52,551,260 (GRCm39) R643L probably damaging Het
Scpep1 T C 11: 88,837,968 (GRCm39) probably null Het
Serpina3m T A 12: 104,355,375 (GRCm39) I14N probably damaging Het
Smg6 A C 11: 74,884,700 (GRCm39) probably benign Het
Suz12 T C 11: 79,920,879 (GRCm39) M593T probably damaging Het
Tmem139 A G 6: 42,241,039 (GRCm39) E208G probably damaging Het
Tnxb A G 17: 34,917,205 (GRCm39) Y2200C probably damaging Het
Usp19 T G 9: 108,375,893 (GRCm39) V911G probably damaging Het
Vipr1 T C 9: 121,493,684 (GRCm39) L245P probably damaging Het
Vmn2r105 T A 17: 20,448,902 (GRCm39) I92F probably damaging Het
Zbtb47 T A 9: 121,595,605 (GRCm39) V576D probably damaging Het
Zfp518b A G 5: 38,829,071 (GRCm39) V978A probably damaging Het
Other mutations in Igf2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02458:Igf2 APN 7 142,207,785 (GRCm39) missense probably benign 0.09
R2012:Igf2 UTSW 7 142,208,136 (GRCm39) missense probably damaging 1.00
R4024:Igf2 UTSW 7 142,208,044 (GRCm39) missense probably benign 0.23
R5247:Igf2 UTSW 7 142,207,668 (GRCm39) missense possibly damaging 0.90
R5825:Igf2 UTSW 7 142,207,592 (GRCm39) missense probably damaging 0.97
R6185:Igf2 UTSW 7 142,212,118 (GRCm39) missense possibly damaging 0.95
R7286:Igf2 UTSW 7 142,209,555 (GRCm39) missense possibly damaging 0.71
R8501:Igf2 UTSW 7 142,207,779 (GRCm39) missense probably damaging 0.98
R9048:Igf2 UTSW 7 142,207,759 (GRCm39) missense probably benign 0.01
R9303:Igf2 UTSW 7 142,208,153 (GRCm39) missense probably damaging 1.00
R9304:Igf2 UTSW 7 142,208,153 (GRCm39) missense probably damaging 1.00
R9305:Igf2 UTSW 7 142,208,153 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACTAATTGTCACCCCATCCAGG -3'
(R):5'- TGACCTCAGCAATTCAAGTCC -3'

Sequencing Primer
(F):5'- ATCCAGGGAGGCTTGCTTC -3'
(R):5'- TCAGCAATTCAAGTCCCCCTG -3'
Posted On 2015-06-24