16-16178871-G-T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM1PM2

The NM_001171.6(ABCC6):c.2342C>A(p.Ala781Glu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,586 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. A781V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ABCC6
NM_001171.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.03

Publications

4 publications found

Variant links:

Genes affected

ABCC6 (HGNC:57): (ATP binding cassette subfamily C member 6) The 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 intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). The encoded protein, a member of the MRP subfamily, is involved in multi-drug resistance. Mutations in this gene cause pseudoxanthoma elasticum. Alternatively spliced transcript variants that encode different proteins have been described for this gene. [provided by RefSeq, Jul 2008]

ABCC6 Gene-Disease associations (from GenCC):

arterial calcification, generalized, of infancy, 2
Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
autosomal recessive inherited pseudoxanthoma elasticum
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Laboratory for Molecular Medicine, Orphanet, Labcorp Genetics (formerly Invitae), G2P
arterial calcification of infancy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ABCC6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM1

In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 9 uncertain in NM_001171.6

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001171.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
ABCC6	NM_001171.6	MANE Select	c.2342C>A	p.Ala781Glu	missense	Exon 18 of 31	NP_001162.5
ABCC6	NM_001440309.1		c.2342C>A	p.Ala781Glu	missense	Exon 18 of 31	NP_001427238.1
ABCC6	NM_001351800.1		c.2000C>A	p.Ala667Glu	missense	Exon 18 of 31	NP_001338729.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
ABCC6	ENST00000205557.12	TSL:1 MANE Select	c.2342C>A	p.Ala781Glu	missense	Exon 18 of 31	ENSP00000205557.7
ABCC6	ENST00000456970.6	TSL:2	n.2342C>A		non_coding_transcript_exon	Exon 18 of 29	ENSP00000405002.2
ABCC6	ENST00000622290.5	TSL:5	n.2342C>A		non_coding_transcript_exon	Exon 18 of 32	ENSP00000483331.2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1461586

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727106

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53154

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5744

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112004

Other (OTH)

AF:

0.0000166

AC:

AN:

60392

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

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:

0.00000756

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.51

BayesDel_addAF

Pathogenic

0.20

BayesDel_noAF

Uncertain

0.050

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.55

Eigen

Uncertain

0.43

Eigen_PC

Uncertain

0.38

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.96

M_CAP

Uncertain

0.20

MetaRNN

Uncertain

0.68

MetaSVM

Uncertain

0.59

MutationAssessor

Uncertain

2.5

PhyloP100

8.0

PrimateAI

Benign

0.45

PROVEAN

Benign

-2.1

REVEL

Pathogenic

0.70

Sift

Uncertain

0.0010

Sift4G

Pathogenic

0.0010

Polyphen

0.97

Vest4

0.43

MVP

0.90

MPC

0.28

ClinPred

0.94

GERP RS

4.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.54

gMVP

0.77

Mutation Taster

=18/82

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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