Genetic Variant ISOC1:p.Glu124Gln (chr5-129105016-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_016048.2(ISOC1):c.370G>C(p.Glu124Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000372 in 1,613,592 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000037 ( 0 hom. )

Consequence

ISOC1
NM_016048.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.93

Publications

0 publications found

Variant links:

Genes affected

ISOC1 (HGNC:24254): (isochorismatase domain containing 1) Predicted to be located in peroxisome. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ISOC1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ISOC1	NM_016048.2 link	c.370G>C	p.Glu124Gln	missense_variant	Exon 2 of 5	ENST00000173527.6	NP_057132.2	Q96CN7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ISOC1	ENST00000173527.6 link	c.370G>C	p.Glu124Gln	missense_variant	Exon 2 of 5	1	NM_016048.2	ENSP00000173527.5		Q96CN7
ISOC1	ENST00000514194.5 link	c.343G>C	p.Glu115Gln	missense_variant	Exon 2 of 3	3		ENSP00000421273.1		D6RGE2

Frequencies

GnomAD3 genomes

AF:

0.0000395

AC:

AN:

152074

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000197

Gnomad ASJ

AF:

0.000576

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:

0.000478

GnomAD2 exomes

AF:

0.0000642

AC:

AN:

249388

AF XY:

0.0000813

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000319

Gnomad ASJ exome

AF:

0.000298

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000884

Gnomad OTH exome

AF:

0.000165

GnomAD4 exome

AF:

0.0000369

AC:

AN:

1461518

Hom.:

Cov.:

AF XY:

0.0000399

AC XY:

AN XY:

727074

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33472

American (AMR)

AF:

0.000313

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.000115

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39686

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53384

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000216

AC:

AN:

1111722

Other (OTH)

AF:

0.000182

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.494

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000395

AC:

AN:

152074

Hom.:

Cov.:

AF XY:

0.0000538

AC XY:

AN XY:

74290

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41408

American (AMR)

AF:

0.000197

AC:

AN:

15266

Ashkenazi Jewish (ASJ)

AF:

0.000576

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10594

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67990

Other (OTH)

AF:

0.000478

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000451

Hom.:

Bravo

AF:

0.000113

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000121

AC:

ExAC

AF:

0.0000579

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 16, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.370G>C (p.E124Q) alteration is located in exon 2 (coding exon 2) of the ISOC1 gene. This alteration results from a G to C substitution at nucleotide position 370, causing the glutamic acid (E) at amino acid position 124 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

Pathogenic

0.90

BayesDel_addAF

Benign

0.0087

BayesDel_noAF

Uncertain

0.080

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.27

T;T

Eigen

Pathogenic

0.86

Eigen_PC

Pathogenic

0.81

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.95

D;D

M_CAP

Benign

0.031

MetaRNN

Uncertain

0.63

D;D

MetaSVM

Uncertain

0.11

MutationAssessor

Uncertain

2.3

.;M

PhyloP100

8.9

PrimateAI

Pathogenic

0.86

PROVEAN

Uncertain

-2.5

D;D

REVEL

Uncertain

0.29

Sift

Uncertain

0.010

D;D

Sift4G

Uncertain

0.0040

D;D

Polyphen

1.0

.;D

Vest4

0.85

MVP

0.66

MPC

0.95

ClinPred

0.47

GERP RS

4.8

Varity_R

0.53

gMVP

0.68

Mutation Taster

=23/77

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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chr5-129105016-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over