12-21815831-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 1P and 0B. PP2

The NM_020297.4(ABCC9):​c.3955G>A​(p.Val1319Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000411 in 1,460,690 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V1319A) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

ABCC9
NM_020297.4 missense

Scores

3
11
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.55
Variant links:
Genes affected
ABCC9 (HGNC:60): (ATP binding cassette subfamily C member 9) 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 is thought to form ATP-sensitive potassium channels in cardiac, skeletal, and vascular and non-vascular smooth muscle. Protein structure suggests a role as the drug-binding channel-modulating subunit of the extra-pancreatic ATP-sensitive potassium channels. Mutations in this gene are associated with cardiomyopathy dilated type 1O. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), ABCC9. . Gene score misZ 4.9694 (greater than the threshold 3.09). Trascript score misZ 7.023 (greater than threshold 3.09). GenCC has associacion of gene with hypertrichotic osteochondrodysplasia Cantu type, dilated cardiomyopathy, acromegaloid facial appearance syndrome, Brugada syndrome, atrial fibrillation, familial, 12, intellectual disability and myopathy syndrome, dilated cardiomyopathy 1O, familial isolated dilated cardiomyopathy, hypertrichosis-acromegaloid facial appearance syndrome.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ABCC9NM_020297.4 linkuse as main transcriptc.3955G>A p.Val1319Ile missense_variant 34/40 ENST00000261200.9
LOC105369689XR_007063241.1 linkuse as main transcriptn.632-11379C>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ABCC9ENST00000261200.9 linkuse as main transcriptc.3955G>A p.Val1319Ile missense_variant 34/405 NM_020297.4 P4O60706-2

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251236
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135786
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000411
AC:
6
AN:
1460690
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
726766
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000540
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
31
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterresearchBiesecker Lab/Clinical Genomics Section, National Institutes of HealthJun 24, 2013- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.050
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.33
.;.;T
Eigen
Pathogenic
0.74
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;D;D
M_CAP
Uncertain
0.18
D
MetaRNN
Uncertain
0.67
D;D;D
MetaSVM
Uncertain
0.74
D
MutationAssessor
Benign
1.9
L;.;L
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.68
T
PROVEAN
Benign
-0.92
N;N;N
REVEL
Uncertain
0.64
Sift
Uncertain
0.0060
D;D;D
Sift4G
Uncertain
0.018
D;D;D
Polyphen
1.0
D;.;D
Vest4
0.62
MutPred
0.50
Loss of MoRF binding (P = 0.1246);.;Loss of MoRF binding (P = 0.1246);
MVP
0.91
MPC
0.83
ClinPred
0.87
D
GERP RS
5.1
Varity_R
0.34
gMVP
0.76

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs200499616; hg19: chr12-21968765; API