7-2559184-G-T

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PVS1_ModeratePM2

The NM_152558.5(IQCE):​c.3G>T​(p.Met1?) variant causes a start lost change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000094 in 1,064,276 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 9.4e-7 ( 0 hom. )

Consequence

IQCE
NM_152558.5 start_lost

Scores

2
6
8

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.79

Publications

0 publications found
Variant links:
Genes affected
IQCE (HGNC:29171): (IQ motif containing E) Involved in limb morphogenesis. Predicted to be extrinsic component of membrane. Predicted to be part of plasma membrane protein complex. [provided by Alliance of Genome Resources, Apr 2022]
IQCE Gene-Disease associations (from GenCC):
  • postaxial polydactyly type A
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • polydactyly, postaxial, type a7
    Inheritance: AR Classification: LIMITED Submitted by: Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PVS1
Start lost variant, next in-frame start position is after 1 pathogenic variants. Next in-frame start position is after 66 codons. Genomic position: 2571591. Lost 0.094 part of the original CDS.
PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
IQCENM_152558.5 linkc.3G>T p.Met1? start_lost Exon 1 of 22 ENST00000402050.7 NP_689771.3 Q6IPM2-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
IQCEENST00000402050.7 linkc.3G>T p.Met1? start_lost Exon 1 of 22 1 NM_152558.5 ENSP00000385597.2 Q6IPM2-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
9.40e-7
AC:
1
AN:
1064276
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
502610
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
22184
American (AMR)
AF:
0.00
AC:
0
AN:
7808
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
13428
East Asian (EAS)
AF:
0.00
AC:
0
AN:
25106
South Asian (SAS)
AF:
0.00
AC:
0
AN:
19448
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
21762
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
2878
European-Non Finnish (NFE)
AF:
0.00000110
AC:
1
AN:
909306
Other (OTH)
AF:
0.00
AC:
0
AN:
42356
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000712
Hom.:
0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
-0.030
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.014
T;T;.;T;.;.
Eigen
Benign
-0.25
Eigen_PC
Benign
-0.25
FATHMM_MKL
Benign
0.16
N
LIST_S2
Uncertain
0.90
D;D;D;D;D;D
M_CAP
Pathogenic
0.80
D
MetaRNN
Pathogenic
0.87
D;D;D;D;D;D
MetaSVM
Benign
-0.99
T
PhyloP100
1.8
PROVEAN
Benign
-1.2
N;N;N;.;N;.
REVEL
Benign
0.19
Sift
Uncertain
0.024
D;D;D;.;D;.
Sift4G
Uncertain
0.052
T;D;D;D;D;D
Polyphen
0.075
B;.;B;.;.;.
Vest4
0.84
MutPred
0.83
Gain of catalytic residue at M1 (P = 0.01);Gain of catalytic residue at M1 (P = 0.01);Gain of catalytic residue at M1 (P = 0.01);Gain of catalytic residue at M1 (P = 0.01);Gain of catalytic residue at M1 (P = 0.01);Gain of catalytic residue at M1 (P = 0.01);
MVP
0.38
ClinPred
0.63
D
GERP RS
3.1
PromoterAI
0.0092
Neutral
Varity_R
0.45
gMVP
0.062
Mutation Taster
=86/114
disease causing

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

Other links and lift over

dbSNP: rs1298717770; hg19: chr7-2598818; API