Genetic Variant ISOC1:p.Pro99Leu (chr5-129095062-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_016048.2(ISOC1):c.296C>T(p.Pro99Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000076 in 1,578,854 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 34)

Exomes 𝑓: 0.0000063 ( 0 hom. )

Consequence

ISOC1
NM_016048.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.71

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:

LOC124901060 (HGNC:):

LOC124901060 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016048.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ISOC1	NM_016048.2	MANE Select	c.296C>T	p.Pro99Leu	missense	Exon 1 of 5	NP_057132.2	Q96CN7

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ISOC1	ENST00000173527.6	TSL:1 MANE Select	c.296C>T	p.Pro99Leu	missense	Exon 1 of 5	ENSP00000173527.5	Q96CN7
ISOC1	ENST00000868049.1		c.296C>T	p.Pro99Leu	missense	Exon 1 of 5	ENSP00000538108.1
ISOC1	ENST00000868048.1		c.296C>T	p.Pro99Leu	missense	Exon 1 of 4	ENSP00000538107.1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152220

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000935

AC:

AN:

213878

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000639

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000997

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000631

AC:

AN:

1426516

Hom.:

Cov.:

AF XY:

0.00000424

AC XY:

AN XY:

707682

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32208

American (AMR)

AF:

0.00

AC:

AN:

42236

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25218

East Asian (EAS)

AF:

0.0000264

AC:

AN:

37894

South Asian (SAS)

AF:

0.00

AC:

AN:

83038

European-Finnish (FIN)

AF:

0.00

AC:

AN:

43854

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5140

European-Non Finnish (NFE)

AF:

0.00000729

AC:

AN:

1097788

Other (OTH)

AF:

0.00

AC:

AN:

59140

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.469

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

AF:

0.0000197

AC:

AN:

152338

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74496

show subpopulations

African (AFR)

AF:

0.0000481

AC:

AN:

41578

American (AMR)

AF:

0.00

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5164

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.76

PhyloP100

5.7

PromoterAI

-0.023

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.25

gMVP

0.58

Mutation Taster

=62/38

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

Details are displayed if max score is > 0.2

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over