Genetic Variant NM_017721.5:c.93C>T (chr19-13909855-C-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_ModerateBP6_ModerateBP7

The NM_017721.5(CC2D1A):c.93C>T(p.Gly31Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

CC2D1A
NM_017721.5 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.411

Publications

0 publications found

Variant links:

Genes affected

CC2D1A (HGNC:30237): (coiled-coil and C2 domain containing 1A) This gene encodes a transcriptional repressor that binds to a conserved 14-bp 5'-repressor element and regulates expression of the 5-hydroxytryptamine (serotonin) receptor 1A gene in neuronal cells. The DNA binding and transcriptional repressor activities of the protein are inhibited by calcium. A mutation in this gene results in a nonsyndromic form of cognitive disability (MRT3). [provided by RefSeq, Jul 2017]

CC2D1A Gene-Disease associations (from GenCC):

complex neurodevelopmental disorder
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
intellectual disability, autosomal recessive 3
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
autosomal recessive non-syndromic intellectual disability
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

CC2D1A links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.28).

BP6

Variant 19-13909855-C-T is Benign according to our data. Variant chr19-13909855-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3015594.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-0.411 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CC2D1A	NM_017721.5 link	c.93C>T	p.Gly31Gly	synonymous_variant	Exon 2 of 29	ENST00000318003.11	NP_060191.3	Q6P1N0-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CC2D1A	ENST00000318003.11 link	c.93C>T	p.Gly31Gly	synonymous_variant	Exon 2 of 29	1	NM_017721.5	ENSP00000313601.6	Q6P1N0-1
CC2D1A	ENST00000589606.5 link	c.93C>T	p.Gly31Gly	synonymous_variant	Exon 2 of 29	1		ENSP00000467526.1	Q6P1N0-2
CC2D1A	ENST00000585896.5 link	n.332C>T		non_coding_transcript_exon_variant	Exon 2 of 10	2
CC2D1A	ENST00000680439.1 link	n.251C>T		non_coding_transcript_exon_variant	Exon 2 of 7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1427786

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

706176

African (AFR)

AF:

0.00

AC:

AN:

32624

American (AMR)

AF:

0.00

AC:

AN:

41168

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24178

East Asian (EAS)

AF:

0.00

AC:

AN:

39148

South Asian (SAS)

AF:

0.00

AC:

AN:

82100

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52432

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5596

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1091688

Other (OTH)

AF:

0.00

AC:

AN:

58852

GnomAD4 genome

Cov.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Nov 29, 2023

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

-0.28

CADD

Benign

9.0

(source)

DANN

Benign

0.75

PhyloP100

-0.41

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over