Mutagenetix > Incidental Mutation

Incidental Mutation 'NA:Igf2r'

614

Institutional Source

Beutler Lab

Gene Symbol

Igf2r

Ensembl Gene

ENSMUSG00000023830

Gene Name

insulin-like growth factor 2 receptor

Synonyms

IGF-II/CI-MPR, CD222, mannose-6-phosphate receptor, cation independent, M6P/IGF2R, Mpr300, CI-MPR

Accession Numbers

Essential gene?

Probably essential (E-score: 0.921) question?

Stock #

NA (G1)

Quality Score

Status

Validated

Chromosome

Chromosomal Location

12901293-12988551 bp(-) (GRCm39)

Type of Mutation

missense

DNA Base Change (assembly)

C to T at 12910849 bp (GRCm39)

Zygosity

Heterozygous

Amino Acid Change

Valine to Isoleucine at position 1990 (V1990I)

Ref Sequence

ENSEMBL: ENSMUSP00000024599 (fasta)

Gene Model

predicted gene model for transcript(s): [ENSMUST00000024599]

AlphaFold

Q07113

Predicted Effect

probably benign
Transcript: ENSMUST00000024599
AA Change: V1990I

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)

SMART Domains

Protein: ENSMUSP00000024599
Gene: ENSMUSG00000023830
AA Change: V1990I

Domain	Start	End	E-Value	Type
signal peptide	1	35	N/A	INTRINSIC
low complexity region	94	104	N/A	INTRINSIC
Pfam:CIMR	118	266	5.1e-21	PFAM
Pfam:CIMR	272	416	8.8e-22	PFAM
Pfam:CIMR	418	567	3.4e-53	PFAM
Pfam:CIMR	569	709	6.5e-47	PFAM
Pfam:CIMR	713	869	6.5e-34	PFAM
Pfam:CIMR	876	1020	1.9e-10	PFAM
Pfam:CIMR	1024	1171	1e-60	PFAM
Pfam:CIMR	1172	1313	1.2e-17	PFAM
Pfam:CIMR	1315	1455	2.1e-58	PFAM
Pfam:CIMR	1458	1592	1.8e-22	PFAM
Pfam:CIMR	1596	1743	9.1e-23	PFAM
Pfam:CIMR	1748	1887	2.5e-22	PFAM
FN2	1889	1935	9.51e-26	SMART
Pfam:CIMR	1939	2076	2.1e-22	PFAM
Pfam:CIMR	2230	2294	4.9e-9	PFAM
transmembrane domain	2295	2317	N/A	INTRINSIC
low complexity region	2336	2363	N/A	INTRINSIC

Meta Mutation Damage Score

0.0837

Coding Region Coverage

1x: 83.4%
3x: 67.1%

Het Detection Efficiency

45.4%

Validation Efficiency

80% (107/134)

MGI Phenotype

FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a receptor for both insulin-like growth factor 2 and mannose 6-phosphate. The binding sites for each ligand are located on different segments of the protein. This receptor has various functions, including in the intracellular trafficking of lysosomal enzymes, the activation of transforming growth factor beta, and the degradation of insulin-like growth factor 2. Mutation or loss of heterozygosity of this gene has been association with risk of hepatocellular carcinoma. The orthologous mouse gene is imprinted and shows exclusive expression from the maternal allele; however, imprinting of the human gene may be polymorphic, as only a minority of individuals showed biased expression from the maternal allele (PMID:8267611). [provided by RefSeq, Nov 2015]
PHENOTYPE: Mutants inheriting maternally a targeted disruption of this gene exhibit elevated serum and tissue IGF-II levels, overgrowth, organomegaly, kinky tail, polydactyly, heart defects, edema, dyspnea, imperforate vagina, reduced fertility and perinatal death.Survival is influenced by genetic background. [provided by MGI curators]

Allele List at MGI

All alleles(13) : Targeted, knock-out(4) Targeted, other(3) Gene trapped(6)

Other mutations in this stock

Total: 7 list
Gene	Ref	Var	Chr/Loc	Mutation	Predicted Effect	Zygosity
Cep350	G	A	1: 155,834,394 (GRCm39)	S101F	probably damaging	Het
Ctnnal1	C	T	4: 56,817,044 (GRCm39)	V593I	probably benign	Het
Ftsj3	C	A	11: 106,145,634 (GRCm39)	M66I	possibly damaging	Het
Kansl1	G	A	11: 104,233,193 (GRCm39)	T778I	probably benign	Het
Mast4	G	A	13: 102,878,565 (GRCm39)	T1031I	probably damaging	Het
Pcna	A	G	2: 132,091,804 (GRCm39)	M199T	probably benign	Het
Trip11	C	T	12: 101,860,580 (GRCm39)		probably null	Het

Other mutations in Igf2r

Allele	Source	Chr	Coord	Type	Predicted Effect	PPH Score
IGL00161:Igf2r	APN	17	12,932,877 (GRCm39)	missense	probably benign	0.01
IGL00534:Igf2r	APN	17	12,958,215 (GRCm39)	missense	probably damaging	0.97
IGL00902:Igf2r	APN	17	12,919,245 (GRCm39)	missense	probably damaging	0.99
IGL00903:Igf2r	APN	17	12,902,754 (GRCm39)	missense	possibly damaging	0.70
IGL01160:Igf2r	APN	17	12,923,662 (GRCm39)	missense	possibly damaging	0.73
IGL01380:Igf2r	APN	17	12,914,261 (GRCm39)	missense	probably benign	0.01
IGL01392:Igf2r	APN	17	12,923,236 (GRCm39)	missense	probably benign
IGL01557:Igf2r	APN	17	12,923,522 (GRCm39)	missense	possibly damaging	0.82
IGL01568:Igf2r	APN	17	12,902,872 (GRCm39)	missense	possibly damaging	0.93
IGL01611:Igf2r	APN	17	12,944,302 (GRCm39)	nonsense	probably null
IGL01720:Igf2r	APN	17	12,920,200 (GRCm39)	missense	probably damaging	0.99
IGL01756:Igf2r	APN	17	12,902,709 (GRCm39)	missense	probably benign
IGL01839:Igf2r	APN	17	12,923,909 (GRCm39)	missense	probably damaging	1.00
IGL01904:Igf2r	APN	17	12,933,798 (GRCm39)	missense	probably damaging	0.99
IGL01965:Igf2r	APN	17	12,923,225 (GRCm39)	missense	probably benign	0.12
IGL02083:Igf2r	APN	17	12,912,079 (GRCm39)	nonsense	probably null
IGL02095:Igf2r	APN	17	12,920,892 (GRCm39)	missense	probably damaging	0.99
IGL02183:Igf2r	APN	17	12,917,403 (GRCm39)	unclassified	probably benign
IGL02576:Igf2r	APN	17	12,967,650 (GRCm39)	missense	possibly damaging	0.90
IGL02649:Igf2r	APN	17	12,930,974 (GRCm39)	missense	possibly damaging	0.93
IGL02807:Igf2r	APN	17	12,938,770 (GRCm39)	missense	probably damaging	0.98
IGL02833:Igf2r	APN	17	12,911,610 (GRCm39)	missense	probably damaging	0.97
IGL02885:Igf2r	APN	17	12,913,007 (GRCm39)	missense	possibly damaging	0.94
IGL02990:Igf2r	APN	17	12,929,633 (GRCm39)	splice site	probably benign
IGL03080:Igf2r	APN	17	12,945,563 (GRCm39)	missense	probably benign	0.06
IGL03176:Igf2r	APN	17	12,935,559 (GRCm39)	missense	probably damaging	1.00
blunt	UTSW	17	12,941,062 (GRCm39)	missense	probably benign	0.02
brusque	UTSW	17	12,933,838 (GRCm39)	missense	probably damaging	0.98
gruff	UTSW	17	12,902,984 (GRCm39)	missense	probably damaging	0.96
outlier	UTSW	17	12,914,201 (GRCm39)	missense	probably benign	0.20
R0165:Igf2r	UTSW	17	12,917,414 (GRCm39)	missense	probably benign	0.07
R0412:Igf2r	UTSW	17	12,902,835 (GRCm39)	missense	probably damaging	0.98
R0523:Igf2r	UTSW	17	12,910,951 (GRCm39)	missense	probably benign	0.27
R0631:Igf2r	UTSW	17	12,936,161 (GRCm39)	splice site	probably null
R0722:Igf2r	UTSW	17	12,934,382 (GRCm39)	critical splice acceptor site	probably null
R0894:Igf2r	UTSW	17	12,910,988 (GRCm39)	missense	probably benign	0.02
R1265:Igf2r	UTSW	17	12,913,011 (GRCm39)	missense	probably damaging	0.98
R1466:Igf2r	UTSW	17	12,936,156 (GRCm39)	splice site	probably benign
R1485:Igf2r	UTSW	17	12,910,172 (GRCm39)	missense	probably damaging	1.00
R1633:Igf2r	UTSW	17	12,945,196 (GRCm39)	missense	probably benign
R1693:Igf2r	UTSW	17	12,923,203 (GRCm39)	missense	probably damaging	0.97
R1751:Igf2r	UTSW	17	12,916,328 (GRCm39)	missense	possibly damaging	0.94
R1843:Igf2r	UTSW	17	12,923,157 (GRCm39)	critical splice donor site	probably null
R1981:Igf2r	UTSW	17	12,952,790 (GRCm39)	nonsense	probably null
R1994:Igf2r	UTSW	17	12,911,625 (GRCm39)	missense	probably benign
R2060:Igf2r	UTSW	17	12,920,206 (GRCm39)	missense	possibly damaging	0.92
R2108:Igf2r	UTSW	17	12,917,138 (GRCm39)	missense	probably benign	0.02
R2132:Igf2r	UTSW	17	12,941,095 (GRCm39)	missense	probably benign	0.12
R2314:Igf2r	UTSW	17	12,934,830 (GRCm39)	missense	probably benign	0.28
R2349:Igf2r	UTSW	17	12,941,198 (GRCm39)	splice site	probably null
R2696:Igf2r	UTSW	17	12,914,231 (GRCm39)	missense	possibly damaging	0.96
R2864:Igf2r	UTSW	17	12,905,611 (GRCm39)	missense	probably damaging	0.99
R2865:Igf2r	UTSW	17	12,905,611 (GRCm39)	missense	probably damaging	0.99
R3884:Igf2r	UTSW	17	12,928,355 (GRCm39)	missense	probably benign
R3930:Igf2r	UTSW	17	12,924,716 (GRCm39)	missense	probably benign	0.01
R4021:Igf2r	UTSW	17	12,967,638 (GRCm39)	missense	probably damaging	0.97
R4125:Igf2r	UTSW	17	12,921,141 (GRCm39)	missense	possibly damaging	0.93
R4342:Igf2r	UTSW	17	12,928,398 (GRCm39)	missense	possibly damaging	0.95
R4343:Igf2r	UTSW	17	12,928,398 (GRCm39)	missense	possibly damaging	0.95
R4345:Igf2r	UTSW	17	12,928,398 (GRCm39)	missense	possibly damaging	0.95
R4760:Igf2r	UTSW	17	12,922,352 (GRCm39)	missense	possibly damaging	0.92
R4796:Igf2r	UTSW	17	12,903,013 (GRCm39)	missense	possibly damaging	0.70
R4816:Igf2r	UTSW	17	12,902,984 (GRCm39)	missense	probably damaging	0.96
R4826:Igf2r	UTSW	17	12,920,240 (GRCm39)	missense	probably damaging	0.98
R4933:Igf2r	UTSW	17	12,910,764 (GRCm39)	splice site	probably null
R4980:Igf2r	UTSW	17	12,922,247 (GRCm39)	critical splice donor site	probably null
R5389:Igf2r	UTSW	17	12,944,303 (GRCm39)	missense	probably damaging	1.00
R5473:Igf2r	UTSW	17	12,914,201 (GRCm39)	missense	probably benign	0.20
R5494:Igf2r	UTSW	17	12,912,032 (GRCm39)	missense	possibly damaging	0.74
R5619:Igf2r	UTSW	17	12,958,221 (GRCm39)	missense	probably damaging	1.00
R5738:Igf2r	UTSW	17	12,936,254 (GRCm39)	missense	probably benign	0.23
R5761:Igf2r	UTSW	17	12,917,239 (GRCm39)	splice site	probably null
R5794:Igf2r	UTSW	17	12,928,332 (GRCm39)	missense	probably benign	0.37
R6210:Igf2r	UTSW	17	12,933,838 (GRCm39)	missense	probably damaging	0.98
R6319:Igf2r	UTSW	17	12,933,000 (GRCm39)	missense	probably damaging	1.00
R6388:Igf2r	UTSW	17	12,902,787 (GRCm39)	missense	probably benign
R6396:Igf2r	UTSW	17	12,932,977 (GRCm39)	missense	probably benign	0.00
R6584:Igf2r	UTSW	17	12,920,137 (GRCm39)	missense	probably damaging	0.99
R6590:Igf2r	UTSW	17	12,910,824 (GRCm39)	nonsense	probably null
R6591:Igf2r	UTSW	17	12,907,895 (GRCm39)	missense	probably damaging	1.00
R6599:Igf2r	UTSW	17	12,917,505 (GRCm39)	missense	possibly damaging	0.85
R6690:Igf2r	UTSW	17	12,910,824 (GRCm39)	nonsense	probably null
R6691:Igf2r	UTSW	17	12,907,895 (GRCm39)	missense	probably damaging	1.00
R6752:Igf2r	UTSW	17	12,933,831 (GRCm39)	missense	probably damaging	1.00
R6816:Igf2r	UTSW	17	12,932,969 (GRCm39)	missense	probably damaging	0.99
R6841:Igf2r	UTSW	17	12,922,263 (GRCm39)	missense	probably damaging	0.97
R6877:Igf2r	UTSW	17	12,916,228 (GRCm39)	missense	probably damaging	0.97
R6950:Igf2r	UTSW	17	12,937,605 (GRCm39)	missense	probably benign
R7030:Igf2r	UTSW	17	12,952,753 (GRCm39)	missense	probably damaging	1.00
R7038:Igf2r	UTSW	17	12,917,212 (GRCm39)	missense	probably benign	0.23
R7055:Igf2r	UTSW	17	12,923,210 (GRCm39)	missense	probably damaging	0.99
R7074:Igf2r	UTSW	17	12,933,003 (GRCm39)	missense	possibly damaging	0.57
R7348:Igf2r	UTSW	17	12,922,371 (GRCm39)	missense	probably damaging	0.99
R7413:Igf2r	UTSW	17	12,917,115 (GRCm39)	nonsense	probably null
R7463:Igf2r	UTSW	17	12,929,532 (GRCm39)	missense	probably benign	0.16
R7619:Igf2r	UTSW	17	12,917,160 (GRCm39)	missense	possibly damaging	0.88
R7730:Igf2r	UTSW	17	12,954,878 (GRCm39)	missense	probably damaging	0.98
R7733:Igf2r	UTSW	17	12,958,256 (GRCm39)	missense	possibly damaging	0.90
R7881:Igf2r	UTSW	17	12,967,591 (GRCm39)	missense	probably benign
R8022:Igf2r	UTSW	17	12,937,682 (GRCm39)	missense	probably damaging	1.00
R8138:Igf2r	UTSW	17	12,920,125 (GRCm39)	missense	probably benign	0.32
R8220:Igf2r	UTSW	17	12,910,958 (GRCm39)	missense	probably benign	0.22
R8305:Igf2r	UTSW	17	12,952,747 (GRCm39)	missense	probably benign
R8359:Igf2r	UTSW	17	12,902,748 (GRCm39)	missense	probably benign
R8500:Igf2r	UTSW	17	12,928,328 (GRCm39)	missense	probably damaging	0.99
R8510:Igf2r	UTSW	17	12,923,200 (GRCm39)	missense	probably benign	0.38
R8933:Igf2r	UTSW	17	12,923,524 (GRCm39)	missense	probably damaging	1.00
R8933:Igf2r	UTSW	17	12,920,131 (GRCm39)	missense	probably damaging	0.97
R8976:Igf2r	UTSW	17	12,945,659 (GRCm39)	missense	probably damaging	1.00
R8994:Igf2r	UTSW	17	12,935,537 (GRCm39)	missense	possibly damaging	0.87
R9059:Igf2r	UTSW	17	12,970,180 (GRCm39)	start codon destroyed	probably null
R9097:Igf2r	UTSW	17	12,910,100 (GRCm39)	missense	probably damaging	1.00
R9127:Igf2r	UTSW	17	12,958,238 (GRCm39)	missense	probably damaging	0.98
R9278:Igf2r	UTSW	17	12,914,240 (GRCm39)	missense	probably damaging	1.00
R9362:Igf2r	UTSW	17	12,941,062 (GRCm39)	missense	probably benign	0.02
R9371:Igf2r	UTSW	17	12,924,646 (GRCm39)	missense	possibly damaging	0.93
R9522:Igf2r	UTSW	17	12,917,215 (GRCm39)	missense	probably benign	0.26
R9567:Igf2r	UTSW	17	12,905,641 (GRCm39)	missense	probably damaging	1.00
R9665:Igf2r	UTSW	17	12,913,027 (GRCm39)	missense	probably benign	0.17
R9666:Igf2r	UTSW	17	12,945,588 (GRCm39)	missense	probably benign
X0028:Igf2r	UTSW	17	12,923,800 (GRCm39)	nonsense	probably null
Z1177:Igf2r	UTSW	17	12,916,286 (GRCm39)	missense	probably damaging	0.99

Nature of Mutation

DNA sequencing using the SOLiD technique identified a G to A transition at position 6141 of the Igf2r transcript in exon 40 of 48 exons using Genbank record NM_010515.2. Multiple transcripts of the Igf2r gene are displayed on Ensembl and Vega. The mutated nucleotide causes a valine to isoleucine substitution at amino acid 1990 of the encoded protein. The mutation has been confirmed by DNA sequencing using the Sanger method.

Protein Function and Prediction

The Igf2r gene encodes a 2483 amino acid multifunctional receptor that possesses binding sites for diverse ligands, including insulin-like growth factor 2 (IGF2), retinoic acid (RA), TGF-beta, urokinase-type plasminogen activator receptor (UPAR), and mannose-6-phosphate (M6P), a modification characteristic of lysosomal enzymes. IGF2R plays major roles in controlling IGF signaling by directing IGF2 to lysosomes, in targeting lysosomal enzymes to lysosomes, and in recycling lysosomal enzymes from the plasma membrane. The protein acts as a positive regulator of T-cell coactivation by binding DPP4, a cell surface glycoprotein receptor involved in the costimulatory signal essential for T-cell receptor (TCR)-mediated T-cell activation. IGF2R contains 15 repeats in its lumenal or extracellular region. The transmembrane domain occurs at residues 2296-2316 and a fibronectin type-II domain is located at residues 1891-1937 (Uniprot Q07113). The Igf2r gene is an imprinted gene in mice with expression only from the maternal allele. Complete knockout of the gene in mice results in fetal overgrowth and neonatal lethality with generalized organomegaly, kinky tail, postaxial polydactyly, heart abnormalities, and edema. In contrast, tissue-specific inactivation of this gene in either the liver or skeletal and cardiac muscle gives rise to viable animals with no obvious phenotype.

The V1990I alteration occurs in the 13th repeat.

Posted On

2011-03-23