7-123496752-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_178827.5(IQUB):​c.1178G>A​(p.Arg393Gln) variant causes a missense change. The variant allele was found at a frequency of 0.000013 in 1,610,418 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

IQUB
NM_178827.5 missense

Scores

2
11
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.30
Variant links:
Genes affected
IQUB (HGNC:21995): (IQ motif and ubiquitin domain containing) Predicted to be involved in cilium assembly. Predicted to act upstream of or within smoothened signaling pathway. Predicted to be active in acrosomal vesicle and motile cilium. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

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;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IQUBNM_178827.5 linkuse as main transcriptc.1178G>A p.Arg393Gln missense_variant 7/13 ENST00000324698.11 NP_849149.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IQUBENST00000324698.11 linkuse as main transcriptc.1178G>A p.Arg393Gln missense_variant 7/131 NM_178827.5 ENSP00000324882 P1Q8NA54-1
IQUBENST00000466202.5 linkuse as main transcriptc.1178G>A p.Arg393Gln missense_variant 7/131 ENSP00000417769 P1Q8NA54-1
IQUBENST00000484508.5 linkuse as main transcriptc.1178G>A p.Arg393Gln missense_variant, NMD_transcript_variant 7/142 ENSP00000417285 Q8NA54-2
IQUBENST00000469057.1 linkuse as main transcriptc.1178G>A p.Arg393Gln missense_variant, NMD_transcript_variant 7/122 ENSP00000417636

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152040
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
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
GnomAD4 exome
AF:
0.0000137
AC:
20
AN:
1458378
Hom.:
0
Cov.:
29
AF XY:
0.0000124
AC XY:
9
AN XY:
725646
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000506
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000162
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152040
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74260
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378
EpiCase
AF:
0.0000547
EpiControl
AF:
0.00

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 07, 2022The c.1178G>A (p.R393Q) alteration is located in exon 7 (coding exon 6) of the IQUB gene. This alteration results from a G to A substitution at nucleotide position 1178, causing the arginine (R) at amino acid position 393 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Uncertain
0.072
D
BayesDel_noAF
Benign
-0.13
CADD
Pathogenic
27
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.49
T;T
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.55
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Benign
0.81
.;T
M_CAP
Benign
0.046
D
MetaRNN
Uncertain
0.70
D;D
MetaSVM
Uncertain
-0.19
T
MutationAssessor
Pathogenic
3.4
M;M
MutationTaster
Benign
0.99
D;D;D
PrimateAI
Benign
0.36
T
PROVEAN
Uncertain
-3.7
D;D
REVEL
Uncertain
0.32
Sift
Uncertain
0.012
D;D
Sift4G
Uncertain
0.0080
D;D
Polyphen
1.0
D;D
Vest4
0.58
MVP
0.75
MPC
0.20
ClinPred
0.99
D
GERP RS
5.2
Varity_R
0.48
gMVP
0.65

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: rs1278358786; hg19: chr7-123136806; COSMIC: COSV61238915; COSMIC: COSV61238915; API