Genetic Variant ABCC5:p.Ala395Ala (chr3-183978614-A-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_005688.4(ABCC5):c.1185T>A(p.Ala395Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 32)

Failed GnomAD Quality Control

Consequence

ABCC5
NM_005688.4 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.91

Publications

45 publications found

Variant links:

Genes affected

ABCC5 (HGNC:56): (ATP binding cassette subfamily C member 5) 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). This protein is a member of the MRP subfamily which is involved in multi-drug resistance. This protein functions in the cellular export of its substrate, cyclic nucleotides. This export contributes to the degradation of phosphodiesterases and possibly an elimination pathway for cyclic nucleotides. Studies show that this protein provides resistance to thiopurine anticancer drugs, 6-mercatopurine and thioguanine, and the anti-HIV drug 9-(2-phosphonylmethoxyethyl)adenine. This protein may be involved in resistance to thiopurines in acute lymphoblastic leukemia and antiretroviral nucleoside analogs in HIV-infected patients. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]

ABCC5 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.91).

BP7

Synonymous conserved (PhyloP=-1.91 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ABCC5	NM_005688.4 link	c.1185T>A	p.Ala395Ala	synonymous_variant	Exon 9 of 30	ENST00000334444.11	NP_005679.2	O15440-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ABCC5	ENST00000334444.11 link	c.1185T>A	p.Ala395Ala	synonymous_variant	Exon 9 of 30	1	NM_005688.4	ENSP00000333926.6	O15440-1
ABCC5	ENST00000265586.10 link	c.1185T>A	p.Ala395Ala	synonymous_variant	Exon 9 of 29	5		ENSP00000265586.6	O15440-5
ABCC5	ENST00000437205.5 link	n.1185T>A		non_coding_transcript_exon_variant	Exon 9 of 30	5		ENSP00000403510.1	F8WCY8
ABCC5	ENST00000492216.1 link	n.736T>A		non_coding_transcript_exon_variant	Exon 5 of 6	5

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

151942

Hom.:

Cov.:

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

151942

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74210

African (AFR)

AF:

0.00

AC:

AN:

41352

American (AMR)

AF:

0.00

AC:

AN:

15258

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5176

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10558

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67982

Other (OTH)

AF:

0.00

AC:

AN:

2092

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.91

CADD

Benign

0.10

(source)

DANN

Benign

0.62

PhyloP100

-1.9

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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