4-84635255-T-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_001263.4(CDS1):​c.723-9T>A variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00233 in 1,297,760 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: 𝑓 0.0012 ( 2 hom., cov: 31)
Exomes 𝑓: 0.0025 ( 4 hom. )

Consequence

CDS1
NM_001263.4 splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0008073
2

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: -4.07
Variant links:
Genes affected
CDS1 (HGNC:1800): (CDP-diacylglycerol synthase 1) Breakdown products of phosphoinositides are ubiquitous second messengers that function downstream of many G protein-coupled receptors and tyrosine kinases regulating cell growth, calcium metabolism, and protein kinase C activity. This gene encodes an enzyme which regulates the amount of phosphatidylinositol available for signaling by catalyzing the conversion of phosphatidic acid to CDP-diacylglycerol. This enzyme is an integral membrane protein localized to two subcellular domains, the matrix side of the inner mitochondrial membrane where it is thought to be involved in the synthesis of phosphatidylglycerol and cardiolipin and the cytoplasmic side of the endoplasmic reticulum where it functions in phosphatidylinositol biosynthesis. Two genes encoding this enzyme have been identified in humans, one mapping to human chromosome 4q21 and a second to 20p13. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant 4-84635255-T-A is Benign according to our data. Variant chr4-84635255-T-A is described in ClinVar as [Benign]. Clinvar id is 3049585.Status of the report is no_assertion_criteria_provided, 0 stars.
BS2
High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CDS1NM_001263.4 linkuse as main transcriptc.723-9T>A splice_polypyrimidine_tract_variant, intron_variant ENST00000295887.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CDS1ENST00000295887.6 linkuse as main transcriptc.723-9T>A splice_polypyrimidine_tract_variant, intron_variant 1 NM_001263.4 P1

Frequencies

GnomAD3 genomes
AF:
0.00119
AC:
180
AN:
150680
Hom.:
2
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00125
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000793
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00135
Gnomad SAS
AF:
0.0121
Gnomad FIN
AF:
0.000193
Gnomad MID
AF:
0.00318
Gnomad NFE
AF:
0.000695
Gnomad OTH
AF:
0.000974
GnomAD3 exomes
AF:
0.00394
AC:
705
AN:
179016
Hom.:
2
AF XY:
0.00452
AC XY:
441
AN XY:
97648
show subpopulations
Gnomad AFR exome
AF:
0.00229
Gnomad AMR exome
AF:
0.00251
Gnomad ASJ exome
AF:
0.00180
Gnomad EAS exome
AF:
0.00178
Gnomad SAS exome
AF:
0.0156
Gnomad FIN exome
AF:
0.00347
Gnomad NFE exome
AF:
0.00236
Gnomad OTH exome
AF:
0.00389
GnomAD4 exome
AF:
0.00248
AC:
2845
AN:
1146974
Hom.:
4
Cov.:
18
AF XY:
0.00270
AC XY:
1565
AN XY:
580164
show subpopulations
Gnomad4 AFR exome
AF:
0.00226
Gnomad4 AMR exome
AF:
0.00201
Gnomad4 ASJ exome
AF:
0.000613
Gnomad4 EAS exome
AF:
0.00277
Gnomad4 SAS exome
AF:
0.0122
Gnomad4 FIN exome
AF:
0.00119
Gnomad4 NFE exome
AF:
0.00181
Gnomad4 OTH exome
AF:
0.00220
GnomAD4 genome
AF:
0.00119
AC:
179
AN:
150786
Hom.:
2
Cov.:
31
AF XY:
0.00144
AC XY:
106
AN XY:
73670
show subpopulations
Gnomad4 AFR
AF:
0.00125
Gnomad4 AMR
AF:
0.000792
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00136
Gnomad4 SAS
AF:
0.0119
Gnomad4 FIN
AF:
0.000193
Gnomad4 NFE
AF:
0.000695
Gnomad4 OTH
AF:
0.000963
Alfa
AF:
0.00325
Hom.:
1
Bravo
AF:
0.000967

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

CDS1-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesAug 14, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
CADD
Benign
0.33
DANN
Benign
0.14

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00081
dbscSNV1_RF
Benign
0.084
SpliceAI score (max)
0.080
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: rs376285323; hg19: chr4-85556408; COSMIC: COSV55690093; API