6-73425441-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_138441.3(CGAS):​c.1355A>T​(p.Asp452Val) variant causes a missense change. The variant allele was found at a frequency of 0.000235 in 1,614,024 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00025 ( 0 hom. )

Consequence

CGAS
NM_138441.3 missense

Scores

4
3
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.11
Variant links:
Genes affected
CGAS (HGNC:21367): (cyclic GMP-AMP synthase) Enables several functions, including 2',3'-cyclic GMP-AMP synthase activity; chromatin binding activity; and phosphatidylinositol-4,5-bisphosphate binding activity. Involved in several processes, including cellular response to exogenous dsRNA; positive regulation of intracellular signal transduction; and regulation of defense response. Located in several cellular components, including cytosol; nucleus; and site of double-strand break. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CGASNM_138441.3 linkuse as main transcriptc.1355A>T p.Asp452Val missense_variant 5/5 ENST00000370315.4 NP_612450.2
CGASNM_001410911.1 linkuse as main transcriptc.1332+23A>T intron_variant NP_001397840.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CGASENST00000370315.4 linkuse as main transcriptc.1355A>T p.Asp452Val missense_variant 5/51 NM_138441.3 ENSP00000359339 P1Q8N884-1
CGASENST00000370318.5 linkuse as main transcriptc.1332+23A>T intron_variant 1 ENSP00000359342 Q8N884-2
CGASENST00000680833.1 linkuse as main transcriptc.1332+23A>T intron_variant ENSP00000506638

Frequencies

GnomAD3 genomes
AF:
0.000125
AC:
19
AN:
152168
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.000265
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000175
AC:
44
AN:
251362
Hom.:
0
AF XY:
0.000177
AC XY:
24
AN XY:
135878
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:
0.000139
Gnomad NFE exome
AF:
0.000352
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000247
AC:
361
AN:
1461856
Hom.:
0
Cov.:
32
AF XY:
0.000231
AC XY:
168
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.0000374
Gnomad4 NFE exome
AF:
0.000311
Gnomad4 OTH exome
AF:
0.000199
GnomAD4 genome
AF:
0.000125
AC:
19
AN:
152168
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74338
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.000265
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000200
Hom.:
0
Bravo
AF:
0.000162
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000239
AC:
29
EpiCase
AF:
0.000382
EpiControl
AF:
0.000296

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJun 17, 2024The c.1355A>T (p.D452V) alteration is located in exon 5 (coding exon 5) of the MB21D1 gene. This alteration results from a A to T substitution at nucleotide position 1355, causing the aspartic acid (D) at amino acid position 452 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.82
BayesDel_addAF
Benign
-0.24
T
BayesDel_noAF
Benign
-0.27
CADD
Uncertain
23
DANN
Benign
0.87
DEOGEN2
Benign
0.11
T
Eigen
Benign
0.16
Eigen_PC
Benign
0.030
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Benign
0.83
T
M_CAP
Benign
0.033
D
MetaRNN
Uncertain
0.72
D
MetaSVM
Benign
-1.2
T
MutationAssessor
Uncertain
2.6
M
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Benign
0.38
T
PROVEAN
Pathogenic
-5.6
D
REVEL
Benign
0.29
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.73
MVP
0.43
MPC
1.2
ClinPred
0.68
D
GERP RS
4.6
Varity_R
0.84
gMVP
0.69

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs200818241; hg19: chr6-74135164; API