Genetic Variant NM_001089.3:c.4772A>C (chr16-2278016-T-G) – ACMG Classification: Likely_pathogenic (7 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2PP3_StrongPP5

The NM_001089.3(ABCA3):c.4772A>C(p.Gln1591Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,032 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ABCA3
NM_001089.3 missense

Scores

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 3.39

Publications

12 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: Likely_pathogenic. The variant received 7 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.977

PP5

Variant 16-2278016-T-G is Pathogenic according to our data. Variant chr16-2278016-T-G is described in ClinVar as Pathogenic. ClinVar VariationId is 8014.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ABCA3	NM_001089.3 link	c.4772A>C	p.Gln1591Pro	missense_variant	Exon 31 of 33	ENST00000301732.10	NP_001080.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ABCA3	ENST00000301732.10 link	c.4772A>C	p.Gln1591Pro	missense_variant	Exon 31 of 33	1	NM_001089.3	ENSP00000301732.5
ABCA3	ENST00000382381.7 link	c.4598A>C	p.Gln1533Pro	missense_variant	Exon 30 of 32	1		ENSP00000371818.3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461032

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726832

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5734

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112000

Other (OTH)

AF:

0.00

AC:

AN:

60382

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

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

Interstitial lung disease due to ABCA3 deficiency

Pathogenic:1

Mar 25, 2004

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.90

BayesDel_addAF

Pathogenic

0.51

BayesDel_noAF

Pathogenic

0.50

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.67

D;.

Eigen

Uncertain

0.37

Eigen_PC

Uncertain

0.34

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.94

D;D

M_CAP

Pathogenic

0.55

MetaRNN

Pathogenic

0.98

D;D

MetaSVM

Pathogenic

1.1

MutationAssessor

Pathogenic

3.0

M;.

PhyloP100

3.4

PrimateAI

Uncertain

0.64

PROVEAN

Uncertain

-3.6

D;D

REVEL

Pathogenic

0.91

Sift

Uncertain

0.0080

D;D

Sift4G

Uncertain

0.011

D;D

Polyphen

0.99

D;.

Vest4

0.94

MutPred

0.82

Loss of sheet (P = 0.0817);.;

MVP

0.96

MPC

0.88

ClinPred

0.98

GERP RS

3.0

Varity_R

0.66

gMVP

0.96

Mutation Taster

=64/36

disease causing (ClinVar)

(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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over