Genetic Variant CHMP7:p.Gln78Arg (chr8-23246928-A-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_152272.5(CHMP7):c.233A>G(p.Gln78Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000192 in 1,564,518 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q78L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

CHMP7
NM_152272.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.15

Publications

0 publications found

Variant links:

Genes affected

CHMP7 (HGNC:28439): (charged multivesicular body protein 7) Involved in several processes, including late endosome to vacuole transport; midbody abscission; and mitotic nuclear division. Located in cytosol; nuclear envelope; and nucleoplasm. Part of ESCRT III complex. Colocalizes with chromatin. [provided by Alliance of Genome Resources, Apr 2022]

CHMP7 links:

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ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.13202849).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CHMP7	NM_152272.5 link	c.233A>G	p.Gln78Arg	missense_variant	Exon 2 of 11	ENST00000397677.6	NP_689485.1	Q8WUX9-1B3KUH0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CHMP7	ENST00000397677.6 link	c.233A>G	p.Gln78Arg	missense_variant	Exon 2 of 11	1	NM_152272.5	ENSP00000380794.1		Q8WUX9-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152158

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000120

AC:

AN:

166086

AF XY:

0.0000111

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000788

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000148

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000142

AC:

AN:

1412360

Hom.:

Cov.:

AF XY:

0.00000286

AC XY:

AN XY:

698406

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32538

American (AMR)

AF:

0.00

AC:

AN:

37156

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25268

East Asian (EAS)

AF:

0.00

AC:

AN:

37266

South Asian (SAS)

AF:

0.00

AC:

AN:

80648

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47558

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5306

European-Non Finnish (NFE)

AF:

0.00000184

AC:

AN:

1088080

Other (OTH)

AF:

0.00

AC:

AN:

58540

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.450

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152158

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74328

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41434

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68020

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000857

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.21

BayesDel_addAF

Benign

-0.049

BayesDel_noAF

Benign

-0.31

CADD

Uncertain

(source)

DANN

Benign

0.92

DEOGEN2

Benign

0.025

T;T;T

Eigen

Benign

-0.15

Eigen_PC

Benign

0.050

FATHMM_MKL

Benign

0.75

LIST_S2

Benign

0.61

.;T;T

M_CAP

Benign

0.010

MetaRNN

Benign

0.13

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.3

L;L;.

PhyloP100

5.1

PrimateAI

Pathogenic

0.81

PROVEAN

Benign

-0.29

N;N;N

REVEL

Benign

0.067

Sift

Benign

0.47

T;T;T

Sift4G

Benign

0.088

T;T;T

Polyphen

0.0020

B;B;.

Vest4

0.070

MutPred

0.28

Gain of MoRF binding (P = 0.0267);Gain of MoRF binding (P = 0.0267);Gain of MoRF binding (P = 0.0267);

MVP

0.64

MPC

0.71

ClinPred

0.64

GERP RS

5.2

PromoterAI

0.12

Neutral

(source)

Varity_R

0.30

gMVP

0.65

Mutation Taster

=69/31

polymorphism

(source)

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

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8-23246928-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over