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rs797045205

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PVS1_ModeratePM2PP5_Moderate

The NM_152701.5(ABCA13):c.11473+2T>C variant causes a splice donor change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000025 in 1,597,956 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000026 ( 0 hom. )

Consequence

ABCA13
NM_152701.5 splice_donor

Scores

1
2
4
Splicing: ADA: 0.9185
2

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 2.64
Variant links:
Genes affected
ABCA13 (HGNC:14638): (ATP binding cassette subfamily A member 13) In human, the ATP-binding cassette (ABC) family of transmembrane transporters has at least 48 genes and 7 gene subfamilies. This gene is a member of ABC gene subfamily A (ABCA). Genes within the ABCA family typically encode several thousand amino acids. Like other ABC transmembrane transporter proteins, this protein has 12 or more transmembrane alpha-helix domains that likely arrange to form a single central chamber with multiple substrate binding sites. It is also predicted to have two large extracellular domains and two nucleotide binding domains as is typical for ABCA proteins. Alternative splice variants have been described but their biological validity has not been demonstrated.[provided by RefSeq, Mar 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PVS1
Splicing variant, NOT destroyed by nmd, known LOF gene, truncates exone, which is 0.009026817 fraction of the gene. Cryptic splice site detected, with MaxEntScore 5.1, offset of 4, new splice context is: cttGTaagg. Cryptic site results in frameshift change. If cryptic site found is not functional and variant results in exon loss, it results in inframe change.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 7-48387961-T-C is Pathogenic according to our data. Variant chr7-48387961-T-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 210065.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ABCA13NM_152701.5 linkuse as main transcriptc.11473+2T>C splice_donor_variant ENST00000435803.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ABCA13ENST00000435803.6 linkuse as main transcriptc.11473+2T>C splice_donor_variant 1 NM_152701.5 P1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152082
Hom.:
0
Cov.:
32
show subpopulations
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000432
AC:
1
AN:
231540
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
125848
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:
0.00000922
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000263
AC:
38
AN:
1445874
Hom.:
0
Cov.:
30
AF XY:
0.0000236
AC XY:
17
AN XY:
719164
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:
0.0000343
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152082
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74280
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.0000151

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Schizophrenia Pathogenic:1
Likely pathogenic, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoJul 16, 2015- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.016
T
BayesDel_noAF
Benign
-0.26
Cadd
Benign
22
Dann
Benign
0.89
Eigen
Pathogenic
0.70
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Uncertain
0.84
D
MutationTaster
Benign
1.0
D
GERP RS
4.4

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.92
dbscSNV1_RF
Benign
0.48
SpliceAI score (max)
0.95
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.95
Position offset: -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: rs797045205; hg19: chr7-48427558; API