3-12899391-TAGG-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PM4_SupportingBP6

The NM_014869.8(IQSEC1):​c.2888_2890delCCT​(p.Ser963del) variant causes a disruptive inframe deletion change. The variant allele was found at a frequency of 0.000102 in 1,612,962 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00015 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000097 ( 0 hom. )

Consequence

IQSEC1
NM_014869.8 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 5.88
Variant links:
Genes affected
IQSEC1 (HGNC:29112): (IQ motif and Sec7 domain ArfGEF 1) Predicted to enable protein kinase binding activity. Predicted to be involved in several processes, including positive regulation of focal adhesion disassembly; positive regulation of keratinocyte migration; and regulation of postsynaptic neurotransmitter receptor internalization. Located in nucleolus. Implicated in intellectual developmental disorder with short stature and behavioral abnormalities. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM4
Nonframeshift variant in NON repetitive region in NM_014869.8. Strenght limited to Supporting due to length of the change: 1aa.
BP6
Variant 3-12899391-TAGG-T is Benign according to our data. Variant chr3-12899391-TAGG-T is described in ClinVar as [Likely_benign]. Clinvar id is 3055055.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IQSEC1NM_001134382.3 linkuse as main transcriptc.*1589_*1591delCCT 3_prime_UTR_variant 14/14 ENST00000613206.2 NP_001127854.1 Q6DN90-3B4DGC5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IQSEC1ENST00000273221.8 linkuse as main transcriptc.2888_2890delCCT p.Ser963del disruptive_inframe_deletion 14/141 ENSP00000273221.4 Q6DN90-1
IQSEC1ENST00000613206 linkuse as main transcriptc.*1589_*1591delCCT 3_prime_UTR_variant 14/142 NM_001134382.3 ENSP00000480301.1 Q6DN90-3
IQSEC1ENST00000646269.1 linkuse as main transcriptc.2891_2893delCCT p.Ser964del disruptive_inframe_deletion 14/14 ENSP00000496366.1 A0A2R8Y7T6

Frequencies

GnomAD3 genomes
AF:
0.000151
AC:
23
AN:
152244
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00404
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000356
AC:
88
AN:
247484
Hom.:
0
AF XY:
0.000342
AC XY:
46
AN XY:
134510
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00481
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000965
AC:
141
AN:
1460718
Hom.:
0
AF XY:
0.0000881
AC XY:
64
AN XY:
726630
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00330
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.000151
AC:
23
AN:
152244
Hom.:
0
Cov.:
32
AF XY:
0.000215
AC XY:
16
AN XY:
74382
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00404
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000196
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

IQSEC1-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJul 02, 2020This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs779988181; hg19: chr3-12940890; API