chr17-48999106-T-C

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_006546.4(IGF2BP1):​c.176-3T>C variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00162 in 1,547,638 control chromosomes in the GnomAD database, including 27 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0087 ( 13 hom., cov: 28)
Exomes 𝑓: 0.00089 ( 14 hom. )

Consequence

IGF2BP1
NM_006546.4 splice_region, intron

Scores

2
Splicing: ADA: 0.00009460
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0280
Variant links:
Genes affected
IGF2BP1 (HGNC:28866): (insulin like growth factor 2 mRNA binding protein 1) This gene encodes a member of the insulin-like growth factor 2 mRNA-binding protein family. The protein encoded by this gene contains four K homology domains and two RNA recognition motifs. It functions by binding to the mRNAs of certain genes, including insulin-like growth factor 2, beta-actin and beta-transducin repeat-containing protein, and regulating their translation. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2009]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.67).
BP6
Variant 17-48999106-T-C is Benign according to our data. Variant chr17-48999106-T-C is described in ClinVar as [Benign]. Clinvar id is 789658.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00867 (1247/143800) while in subpopulation AFR AF= 0.0312 (1195/38242). AF 95% confidence interval is 0.0298. There are 13 homozygotes in gnomad4. There are 589 alleles in male gnomad4 subpopulation. Median coverage is 28. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1247 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IGF2BP1NM_006546.4 linkc.176-3T>C splice_region_variant, intron_variant ENST00000290341.8 NP_006537.3 Q9NZI8-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IGF2BP1ENST00000290341.8 linkc.176-3T>C splice_region_variant, intron_variant 1 NM_006546.4 ENSP00000290341.3 Q9NZI8-1
IGF2BP1ENST00000431824.2 linkc.176-3T>C splice_region_variant, intron_variant 1 ENSP00000389135.2 Q9NZI8-2
IGF2BP1ENST00000510023.5 linkn.436-3T>C splice_region_variant, intron_variant 3
IGF2BP1ENST00000515586.5 linkn.159-3T>C splice_region_variant, intron_variant 3

Frequencies

GnomAD3 genomes
AF:
0.00865
AC:
1243
AN:
143718
Hom.:
13
Cov.:
28
show subpopulations
Gnomad AFR
AF:
0.0312
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00234
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000215
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00388
Gnomad NFE
AF:
0.0000447
Gnomad OTH
AF:
0.00866
GnomAD3 exomes
AF:
0.00225
AC:
559
AN:
248288
Hom.:
4
AF XY:
0.00185
AC XY:
250
AN XY:
135072
show subpopulations
Gnomad AFR exome
AF:
0.0305
Gnomad AMR exome
AF:
0.00224
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000656
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000801
Gnomad OTH exome
AF:
0.000996
GnomAD4 exome
AF:
0.000893
AC:
1254
AN:
1403838
Hom.:
14
Cov.:
26
AF XY:
0.000831
AC XY:
582
AN XY:
700764
show subpopulations
Gnomad4 AFR exome
AF:
0.0307
Gnomad4 AMR exome
AF:
0.00236
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000588
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000263
Gnomad4 OTH exome
AF:
0.00212
GnomAD4 genome
AF:
0.00867
AC:
1247
AN:
143800
Hom.:
13
Cov.:
28
AF XY:
0.00850
AC XY:
589
AN XY:
69298
show subpopulations
Gnomad4 AFR
AF:
0.0312
Gnomad4 AMR
AF:
0.00233
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000216
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000448
Gnomad4 OTH
AF:
0.00860
Alfa
AF:
0.00420
Hom.:
7
Bravo
AF:
0.0100
Asia WGS
AF:
0.00144
AC:
5
AN:
3478
EpiCase
AF:
0.000218
EpiControl
AF:
0.000119

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 30, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.67
CADD
Benign
8.9
DANN
Benign
0.77

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000095
dbscSNV1_RF
Benign
0.026
SpliceAI score (max)
0.0
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: rs9907062; hg19: chr17-47076468; API