11-118557049-T-C

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001168618.2(IFT46):​c.46-4A>G variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00223 in 1,596,286 control chromosomes in the GnomAD database, including 57 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 0.011 ( 30 hom., cov: 32)
Exomes 𝑓: 0.0013 ( 27 hom. )

Consequence

IFT46
NM_001168618.2 splice_region, intron

Scores

2
Splicing: ADA: 0.0002751
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.184
Variant links:
Genes affected
IFT46 (HGNC:26146): (intraflagellar transport 46) Predicted to enable protein C-terminus binding activity. Predicted to be involved in cilium assembly; intraciliary transport; and protein stabilization. Predicted to act upstream of or within smoothened signaling pathway. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.75).
BP6
Variant 11-118557049-T-C is Benign according to our data. Variant chr11-118557049-T-C is described in ClinVar as [Benign]. Clinvar id is 715027.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0112 (1706/152254) while in subpopulation AFR AF= 0.0377 (1568/41540). AF 95% confidence interval is 0.0362. There are 30 homozygotes in gnomad4. There are 798 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 30 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IFT46NM_001168618.2 linkuse as main transcriptc.46-4A>G splice_region_variant, intron_variant ENST00000264021.8 NP_001162089.1 Q9NQC8-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IFT46ENST00000264021.8 linkuse as main transcriptc.46-4A>G splice_region_variant, intron_variant 1 NM_001168618.2 ENSP00000264021.3 Q9NQC8-1

Frequencies

GnomAD3 genomes
AF:
0.0111
AC:
1690
AN:
152136
Hom.:
29
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0375
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00570
Gnomad ASJ
AF:
0.00144
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.000309
Gnomad OTH
AF:
0.0105
GnomAD3 exomes
AF:
0.00309
AC:
721
AN:
233098
Hom.:
7
AF XY:
0.00217
AC XY:
275
AN XY:
126582
show subpopulations
Gnomad AFR exome
AF:
0.0391
Gnomad AMR exome
AF:
0.00196
Gnomad ASJ exome
AF:
0.000216
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000353
Gnomad OTH exome
AF:
0.00193
GnomAD4 exome
AF:
0.00128
AC:
1847
AN:
1444032
Hom.:
27
Cov.:
31
AF XY:
0.00116
AC XY:
833
AN XY:
718126
show subpopulations
Gnomad4 AFR exome
AF:
0.0393
Gnomad4 AMR exome
AF:
0.00250
Gnomad4 ASJ exome
AF:
0.000355
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000725
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000197
Gnomad4 OTH exome
AF:
0.00311
GnomAD4 genome
AF:
0.0112
AC:
1706
AN:
152254
Hom.:
30
Cov.:
32
AF XY:
0.0107
AC XY:
798
AN XY:
74472
show subpopulations
Gnomad4 AFR
AF:
0.0377
Gnomad4 AMR
AF:
0.00569
Gnomad4 ASJ
AF:
0.00144
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000309
Gnomad4 OTH
AF:
0.0104
Alfa
AF:
0.00422
Hom.:
4
Bravo
AF:
0.0127
Asia WGS
AF:
0.00491
AC:
17
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpApr 20, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.75
CADD
Benign
5.4
DANN
Benign
0.78

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00028
dbscSNV1_RF
Benign
0.19
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: rs112297115; hg19: chr11-118427764; API