Genetic Variant ABCA3:p.Glu517Gln (chr16-2300067-C-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_001089.3(ABCA3):c.1549G>C(p.Glu517Gln) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,796 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. E517K) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 30)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ABCA3
NM_001089.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.42

Publications

0 publications found

Variant links:

Genes affected

ABCA3 (HGNC:33): (ATP binding cassette subfamily A member 3) The membrane-associated protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intracellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the ABC1 subfamily. Members of the ABC1 subfamily comprise the only major ABC subfamily found exclusively in multicellular eukaryotes. The full transporter encoded by this gene may be involved in development of resistance to xenobiotics and engulfment during programmed cell death. [provided by RefSeq, Jul 2008]

ABCA3 Gene-Disease associations (from GenCC):

interstitial lung disease due to ABCA3 deficiency
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Orphanet

ABCA3 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=0.24708146).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ABCA3	NM_001089.3 link	c.1549G>C	p.Glu517Gln	missense_variant	Exon 13 of 33	ENST00000301732.10	NP_001080.2	Q99758-1Q4LE27

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ABCA3	ENST00000301732.10 link	c.1549G>C	p.Glu517Gln	missense_variant	Exon 13 of 33	1	NM_001089.3	ENSP00000301732.5	Q99758-1
ABCA3	ENST00000382381.7 link	c.1375G>C	p.Glu459Gln	missense_variant	Exon 12 of 32	1		ENSP00000371818.3	H0Y3H2
ABCA3	ENST00000563623.5 link	n.2112G>C		non_coding_transcript_exon_variant	Exon 13 of 20	1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461796

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727190

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53326

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.099

BayesDel_addAF

Uncertain

0.012

BayesDel_noAF

Benign

-0.22

CADD

Benign

(source)

DANN

Benign

0.94

DEOGEN2

Benign

0.15

T;.

Eigen

Benign

-0.54

Eigen_PC

Benign

-0.44

FATHMM_MKL

Uncertain

0.89

LIST_S2

Benign

0.70

T;T

M_CAP

Uncertain

0.16

MetaRNN

Benign

0.25

T;T

MetaSVM

Benign

-0.41

MutationAssessor

Benign

1.1

L;.

PhyloP100

4.4

PrimateAI

Benign

0.39

PROVEAN

Benign

-0.96

N;N

REVEL

Uncertain

0.35

Sift

Benign

0.21

T;T

Sift4G

Benign

0.19

T;T

Polyphen

0.23

B;.

Vest4

0.15

MutPred

0.41

Loss of disorder (P = 0.0644);.;

MVP

0.73

MPC

0.24

ClinPred

0.56

GERP RS

2.8

Varity_R

0.071

gMVP

0.87

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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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