Genetic Variant ABCA10:p.Leu1348Met (chr17-69153399-G-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001377321.1(ABCA10):c.4042C>A(p.Leu1348Met) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,364 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 14/24 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 variant affecting the same amino acid position, but resulting in a different missense (i.e. L1348V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

ABCA10
NM_001377321.1 missense, splice_region

Scores

Splicing: ADA: 0.0004463

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.209

Publications

0 publications found

Variant links:

Genes affected

ABCA10 (HGNC:30): (ATP binding cassette subfamily A member 10) 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, and White). This encoded protein is a member of the ABC1 subfamily. Members of the ABC1 subfamily comprise the only major ABC subfamily found exclusively in multicellular eukaryotes. This gene is clustered among 4 other ABC1 family members on 17q24, but neither the substrate nor the function of this gene is known. [provided by RefSeq, Jul 2008]

ABCA10 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.929

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001377321.1. 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
	ABCA10	NM_001377321.1	MANE Select	c.4042C>A	p.Leu1348Met	missense splice_region	Exon 34 of 39	NP_001364250.1	Q8WWZ4-1
	ABCA10	NM_080282.4		c.4042C>A	p.Leu1348Met	missense splice_region	Exon 35 of 40	NP_525021.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ABCA10	ENST00000690296.1	MANE Select	c.4042C>A	p.Leu1348Met	missense splice_region	Exon 34 of 39	ENSP00000509702.1	Q8WWZ4-1
ABCA10	ENST00000269081.8	TSL:1	c.4042C>A	p.Leu1348Met	missense splice_region	Exon 35 of 40	ENSP00000269081.4	Q8WWZ4-1
ABCA10	ENST00000518929.5	TSL:1	n.*3443C>A		non_coding_transcript_exon	Exon 30 of 35	ENSP00000430341.1	E5RFP5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461364

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

726998

show subpopulations

African (AFR)

AF:

0.000120

AC:

AN:

33458

American (AMR)

AF:

0.00

AC:

AN:

44664

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26082

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86182

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53368

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111782

Other (OTH)

AF:

0.00

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.455

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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.26

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.39

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.44

Eigen

Uncertain

0.25

Eigen_PC

Benign

0.015

FATHMM_MKL

Uncertain

0.82

LIST_S2

Uncertain

0.95

M_CAP

Benign

0.0070

MetaRNN

Pathogenic

0.93

MetaSVM

Benign

-0.98

MutationAssessor

Uncertain

2.9

PhyloP100

0.21

PrimateAI

Benign

0.41

PROVEAN

Benign

-1.8

REVEL

Benign

0.25

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.0050

Polyphen

1.0

Vest4

0.57

MutPred

0.82

Loss of methylation at K1347 (P = 0.0376)

MVP

0.23

MPC

0.22

ClinPred

0.93

GERP RS

1.4

Varity_R

0.35

gMVP

0.25

Mutation Taster

=70/30

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00045

dbscSNV1_RF

Benign

0.0020

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over