7-123452828-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_178827.5(IQUB):​c.2291A>T​(p.Asp764Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000861 in 1,613,510 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000089 ( 0 hom. )

Consequence

IQUB
NM_178827.5 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.123
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 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.12219584).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IQUBNM_178827.5 linkuse as main transcriptc.2291A>T p.Asp764Val missense_variant 13/13 ENST00000324698.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IQUBENST00000324698.11 linkuse as main transcriptc.2291A>T p.Asp764Val missense_variant 13/131 NM_178827.5 P1Q8NA54-1
IQUBENST00000466202.5 linkuse as main transcriptc.2291A>T p.Asp764Val missense_variant 13/131 P1Q8NA54-1
IQUBENST00000469057.1 linkuse as main transcriptc.*849A>T 3_prime_UTR_variant, NMD_transcript_variant 12/122
IQUBENST00000484508.5 linkuse as main transcriptc.*696A>T 3_prime_UTR_variant, NMD_transcript_variant 14/142 Q8NA54-2

Frequencies

GnomAD3 genomes
AF:
0.0000592
AC:
9
AN:
152128
Hom.:
0
Cov.:
31
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:
0.000118
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000517
AC:
13
AN:
251278
Hom.:
0
AF XY:
0.0000295
AC XY:
4
AN XY:
135808
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000114
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000890
AC:
130
AN:
1461382
Hom.:
0
Cov.:
30
AF XY:
0.0000839
AC XY:
61
AN XY:
727026
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000116
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000592
AC:
9
AN:
152128
Hom.:
0
Cov.:
31
AF XY:
0.0000404
AC XY:
3
AN XY:
74322
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:
0.000118
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000901
Hom.:
0
Bravo
AF:
0.0000642
ExAC
AF:
0.0000494
AC:
6
EpiCase
AF:
0.000164
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 GeneticsJun 02, 2024The c.2291A>T (p.D764V) alteration is located in exon 13 (coding exon 12) of the IQUB gene. This alteration results from a A to T substitution at nucleotide position 2291, causing the aspartic acid (D) at amino acid position 764 to be replaced by a valine (V). 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
0.12
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.44
CADD
Benign
19
DANN
Benign
0.96
DEOGEN2
Benign
0.012
T;T
Eigen
Benign
-0.35
Eigen_PC
Benign
-0.42
FATHMM_MKL
Benign
0.16
N
LIST_S2
Benign
0.75
.;T
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.12
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.4
M;M
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.36
T
PROVEAN
Benign
-1.8
N;N
REVEL
Benign
0.079
Sift
Benign
0.089
T;T
Sift4G
Benign
0.075
T;T
Polyphen
0.84
P;P
Vest4
0.25
MutPred
0.39
Loss of catalytic residue at D764 (P = 0.0641);Loss of catalytic residue at D764 (P = 0.0641);
MVP
0.40
MPC
0.039
ClinPred
0.13
T
GERP RS
2.4
Varity_R
0.12
gMVP
0.62

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: rs748850670; hg19: chr7-123092882; API