NM_000612.6:c.505G>A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_000612.6(IGF2):​c.505G>A​(p.Gly169Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000109 in 1,558,006 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000010 ( 0 hom. )

Consequence

IGF2
NM_000612.6 missense

Scores

1
3
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.579
Variant links:
Genes affected
IGF2 (HGNC:5466): (insulin like growth factor 2) This gene encodes a member of the insulin family of polypeptide growth factors, which are involved in development and growth. It is an imprinted gene, expressed only from the paternal allele, and epigenetic changes at this locus are associated with Wilms tumour, Beckwith-Wiedemann syndrome, rhabdomyosarcoma, and Silver-Russell syndrome. A read-through INS-IGF2 gene exists, whose 5' region overlaps the INS gene and the 3' region overlaps this gene. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2010]
INS-IGF2 (HGNC:33527): (INS-IGF2 readthrough) This locus includes two alternatively spliced read-through transcript variants which align to the INS gene in the 5' region and to the IGF2 gene in the 3' region. One transcript is predicted to encode a protein which shares the N-terminus with the INS protein but has a distinct and longer C-terminus, whereas the other transcript is a candidate for nonsense-mediated decay (NMD). The transcripts are imprinted and are paternally expressed in the limb and eye. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.16469204).
BS2
High AC in GnomAdExome4 at 14 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
IGF2NM_000612.6 linkc.505G>A p.Gly169Arg missense_variant Exon 4 of 4 ENST00000416167.7 NP_000603.1 P01344-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
IGF2ENST00000416167.7 linkc.505G>A p.Gly169Arg missense_variant Exon 4 of 4 1 NM_000612.6 ENSP00000414497.2 P01344-1
IGF2ENST00000381392.5 linkc.514G>A p.Gly172Arg missense_variant Exon 4 of 4 1 ENSP00000370799.1 P01344-2
IGF2ENST00000381406.8 linkc.514G>A p.Gly172Arg missense_variant Exon 4 of 4 2 ENSP00000370813.4 P01344-2
ENSG00000284779ENST00000643349 linkc.*512G>A 3_prime_UTR_variant Exon 5 of 5 ENSP00000495715.1 A0A2R8Y747

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152134
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000144
AC:
3
AN:
208104
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
114098
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000419
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000206
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000996
AC:
14
AN:
1405754
Hom.:
0
Cov.:
31
AF XY:
0.00000576
AC XY:
4
AN XY:
694206
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000126
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000120
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152252
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74456
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000330
AC:
4

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.085
T
BayesDel_noAF
Benign
-0.24
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Benign
0.28
T;.;T;T;.;.;T;T
Eigen
Benign
-0.15
Eigen_PC
Benign
-0.28
FATHMM_MKL
Benign
0.23
N
LIST_S2
Benign
0.79
.;.;.;.;T;T;.;T
M_CAP
Pathogenic
0.64
D
MetaRNN
Benign
0.16
T;T;T;T;T;T;T;T
MetaSVM
Uncertain
0.25
D
MutationAssessor
Uncertain
2.1
M;.;M;M;.;.;M;M
PrimateAI
Benign
0.32
T
PROVEAN
Benign
-1.1
N;N;N;.;N;N;N;N
REVEL
Benign
0.28
Sift
Benign
0.067
T;T;T;.;D;T;T;T
Sift4G
Benign
0.10
T;T;T;.;D;T;T;T
Polyphen
0.95
P;.;P;P;.;.;P;P
Vest4
0.24
MutPred
0.11
Loss of catalytic residue at D165 (P = 0.1224);.;Loss of catalytic residue at D165 (P = 0.1224);Loss of catalytic residue at D165 (P = 0.1224);.;.;Loss of catalytic residue at D165 (P = 0.1224);Loss of catalytic residue at D165 (P = 0.1224);
MVP
0.92
MPC
1.8
ClinPred
0.69
D
GERP RS
2.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.078
gMVP
0.48

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs554804044; hg19: chr11-2154255; COSMIC: COSV105182464; COSMIC: COSV105182464; API