chr8-112247135-T-C

Variant summary

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

The NM_198123.2(CSMD3):​c.10111-4A>G variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000444 in 1,595,762 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00047 ( 0 hom. )

Consequence

CSMD3
NM_198123.2 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0002786
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -0.247
Variant links:
Genes affected
CSMD3 (HGNC:19291): (CUB and Sushi multiple domains 3) Predicted to be involved in regulation of dendrite development. Predicted to be located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.79).
BP6
Variant 8-112247135-T-C is Benign according to our data. Variant chr8-112247135-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 3048612.Status of the report is no_assertion_criteria_provided, 0 stars.
BS2
High AC in GnomAd4 at 27 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CSMD3NM_198123.2 linkuse as main transcriptc.10111-4A>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000297405.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CSMD3ENST00000297405.10 linkuse as main transcriptc.10111-4A>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_198123.2 P1Q7Z407-1

Frequencies

GnomAD3 genomes
AF:
0.000178
AC:
27
AN:
152076
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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:
0.000309
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000168
AC:
42
AN:
250474
Hom.:
0
AF XY:
0.000163
AC XY:
22
AN XY:
135372
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000328
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000309
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000472
AC:
681
AN:
1443568
Hom.:
0
Cov.:
27
AF XY:
0.000460
AC XY:
331
AN XY:
719310
show subpopulations
Gnomad4 AFR exome
AF:
0.0000905
Gnomad4 AMR exome
AF:
0.000112
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000233
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000584
Gnomad4 OTH exome
AF:
0.000519
GnomAD4 genome
AF:
0.000177
AC:
27
AN:
152194
Hom.:
0
Cov.:
32
AF XY:
0.000188
AC XY:
14
AN XY:
74418
show subpopulations
Gnomad4 AFR
AF:
0.000120
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000309
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000313
Hom.:
0
Bravo
AF:
0.000298
EpiCase
AF:
0.000327
EpiControl
AF:
0.000356

ClinVar

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

Submissions by phenotype

CSMD3-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMar 28, 2019This variant is classified as likely 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
-0.79
CADD
Benign
1.7
DANN
Benign
0.64

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00028
dbscSNV1_RF
Benign
0.0040
SpliceAI score (max)
0.030
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: rs377197883; hg19: chr8-113259364; API