rs193920956

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

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

The NM_022169.5(ABCG4):c.237G>C(p.Arg79Ser) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,460,924 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/24 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ABCG4
NM_022169.5 missense, splice_region

Scores

Splicing: ADA: 0.002383

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.04

Publications

1 publications found

Variant links:

Genes affected

ABCG4 (HGNC:13884): (ATP binding cassette subfamily G member 4) The protein encoded by this gene is a member of the ATP-binding cassette (ABC) transporter superfamily. ABC proteins transport various molecules across extra- and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). The encoded protein is a member of the White subfamily and plays an important role in cellular cholesterol homeostasis. This protein functions as either a homodimer or as a heterodimer with another ABC subfamily protein such as ABCG1. [provided by RefSeq, Jan 2017]

ABCG4 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=0.25552016).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ABCG4	NM_022169.5 link	c.237G>C	p.Arg79Ser	missense_variant, splice_region_variant	Exon 2 of 15	ENST00000619701.5	NP_071452.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ABCG4	ENST00000619701.5 link	c.237G>C	p.Arg79Ser	missense_variant, splice_region_variant	Exon 2 of 15	1	NM_022169.5	ENSP00000481728.1	Q9H172-1
ABCG4	ENST00000622721.1 link	c.237G>C	p.Arg79Ser	missense_variant, splice_region_variant	Exon 1 of 14	1		ENSP00000484289.1	Q9H172-1
ABCG4	ENST00000615496.4 link	c.237G>C	p.Arg79Ser	missense_variant, splice_region_variant	Exon 2 of 15	2		ENSP00000479253.1	Q9H172-1
ABCG4	ENST00000524604.5 link	c.237G>C	p.Arg79Ser	missense_variant, splice_region_variant	Exon 2 of 4	3		ENSP00000431915.1	E9PJ00

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000800

AC:

AN:

250064

AF XY:

0.0000148

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000177

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1460924

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726614

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33462

American (AMR)

AF:

0.00

AC:

AN:

44706

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26112

East Asian (EAS)

AF:

0.00

AC:

AN:

39666

South Asian (SAS)

AF:

0.00

AC:

AN:

86234

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53222

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1111416

Other (OTH)

AF:

0.00

AC:

AN:

60342

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.00000000770867), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.400

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000165

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000119

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.24

BayesDel_addAF

Benign

-0.039

BayesDel_noAF

Benign

-0.28

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.22

T;.;T;T

Eigen

Benign

-0.12

Eigen_PC

Benign

-0.036

FATHMM_MKL

Uncertain

0.80

LIST_S2

Benign

0.84

.;T;.;T

M_CAP

Benign

0.017

MetaRNN

Benign

0.26

T;T;T;T

MetaSVM

Benign

-0.88

MutationAssessor

Benign

0.46

N;.;N;N

PhyloP100

3.0

PrimateAI

Uncertain

0.79

PROVEAN

Uncertain

-3.0

.;D;.;.

REVEL

Benign

0.19

Sift

Benign

0.11

.;T;.;.

Sift4G

Benign

0.19

T;T;T;T

Polyphen

0.65

P;.;P;P

Vest4

0.63

MutPred

0.48

Loss of MoRF binding (P = 0.0335);Loss of MoRF binding (P = 0.0335);Loss of MoRF binding (P = 0.0335);Loss of MoRF binding (P = 0.0335);

MVP

0.62

ClinPred

0.51

GERP RS

2.4

PromoterAI

-0.00030

Neutral

(source)

Varity_R

0.24

gMVP

0.82

Mutation Taster

=39/61

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.0024

dbscSNV1_RF

Benign

0.10

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over