chr1-243489086-G-A

Variant names:

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 2P and 10B. PM2BP4_ModerateBP6_Very_Strong

The NM_006642.5(SDCCAG8):c.2058G>A(p.Gln686Gln) variant causes a synonymous change. The variant allele was found at a frequency of 0.0000031 in 1,613,272 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SDCCAG8
NM_006642.5 synonymous

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 4.38

Publications

1 publications found

Variant links:

Genes affected

SDCCAG8 (HGNC:10671): (SHH signaling and ciliogenesis regulator SDCCAG8) This gene encodes a centrosome associated protein. This protein may be involved in organizing the centrosome during interphase and mitosis. Mutations in this gene are associated with retinal-renal ciliopathy. [provided by RefSeq, Oct 2010]

SDCCAG8 links:

AKT3 (HGNC:393): (AKT serine/threonine kinase 3) The protein encoded by this gene is a member of the AKT, also called PKB, serine/threonine protein kinase family. AKT kinases are known to be regulators of cell signaling in response to insulin and growth factors. They are involved in a wide variety of biological processes including cell proliferation, differentiation, apoptosis, tumorigenesis, as well as glycogen synthesis and glucose uptake. This kinase has been shown to be stimulated by platelet-derived growth factor (PDGF), insulin, and insulin-like growth factor 1 (IGF1). Alternatively splice transcript variants encoding distinct isoforms have been described. [provided by RefSeq, Jul 2008]

AKT3 Gene-Disease associations (from GenCC):

overgrowth syndrome and/or cerebral malformations due to abnormalities in MTOR pathway genes
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 1
Inheritance: AD Classification: STRONG Submitted by: G2P
megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome 2
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp, Illumina, Labcorp Genetics (formerly Invitae)
megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
microcephaly
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

AKT3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.43).

BP6

Variant 1-243489086-G-A is Benign according to our data. Variant chr1-243489086-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 1337418.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SDCCAG8	NM_006642.5 link	c.2058G>A	p.Gln686Gln	synonymous_variant	Exon 17 of 18	ENST00000366541.8	NP_006633.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SDCCAG8	ENST00000366541.8 link	c.2058G>A	p.Gln686Gln	synonymous_variant	Exon 17 of 18	1	NM_006642.5	ENSP00000355499.3	Q86SQ7-1
SDCCAG8	ENST00000435549.1 link	c.1161G>A	p.Gln387Gln	synonymous_variant	Exon 10 of 11	1		ENSP00000410200.1	A0A0C4DG71
AKT3	ENST00000336199.9 link	c.*7-636C>T		intron_variant	Intron 13 of 13	1		ENSP00000336943.5	Q9Y243-2
SDCCAG8	ENST00000497459.1 link	n.137G>A		non_coding_transcript_exon_variant	Exon 2 of 3	2

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152258

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

249832

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461014

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726824

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33472

American (AMR)

AF:

0.00

AC:

AN:

44704

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52834

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5602

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111972

Other (OTH)

AF:

0.0000331

AC:

AN:

60362

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.408

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152258

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74396

show subpopulations

African (AFR)

AF:

0.0000482

AC:

AN:

41482

American (AMR)

AF:

0.00

AC:

AN:

15294

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4838

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000227

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:1

Oct 04, 2019

Genetic Services Laboratory, University of Chicago

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Senior-Loken syndrome 7;C3889474:Bardet-Biedl syndrome 16

Benign:1

Jul 09, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.43

CADD

Benign

9.6

(source)

DANN

Benign

0.84

PhyloP100

4.4

Mutation Taster

=100/0

polymorphism

(source)

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

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chr1-243489086-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over