rs200848845

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_017721.5(CC2D1A):​c.2731C>G​(p.Arg911Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000298 in 1,611,688 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 Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

CC2D1A
NM_017721.5 missense

Scores

7
12

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 0.179

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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.11624676).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CC2D1ANM_017721.5 linkc.2731C>G p.Arg911Gly missense_variant Exon 27 of 29 ENST00000318003.11 NP_060191.3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CC2D1AENST00000318003.11 linkc.2731C>G p.Arg911Gly missense_variant Exon 27 of 29 1 NM_017721.5 ENSP00000313601.6

Frequencies

GnomAD3 genomes
AF:
0.0000986
AC:
15
AN:
152070
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000338
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
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:
0.0000574
AC:
14
AN:
243946
AF XY:
0.0000598
show subpopulations
Gnomad AFR exome
AF:
0.000272
Gnomad AMR exome
AF:
0.0000292
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000392
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000340
GnomAD4 exome
AF:
0.0000226
AC:
33
AN:
1459618
Hom.:
0
Cov.:
33
AF XY:
0.0000165
AC XY:
12
AN XY:
726178
show subpopulations
African (AFR)
AF:
0.0000897
AC:
3
AN:
33460
American (AMR)
AF:
0.0000448
AC:
2
AN:
44678
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26076
East Asian (EAS)
AF:
0.000277
AC:
11
AN:
39684
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86218
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52046
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5758
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111496
Other (OTH)
AF:
0.000266
AC:
16
AN:
60202
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
3
5
8
10
13
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000986
AC:
15
AN:
152070
Hom.:
0
Cov.:
32
AF XY:
0.000121
AC XY:
9
AN XY:
74272
show subpopulations
African (AFR)
AF:
0.000338
AC:
14
AN:
41392
American (AMR)
AF:
0.00
AC:
0
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5176
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67982
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000907
ESP6500AA
AF:
0.000255
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000748
AC:
9

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:2
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Jun 26, 2024
GeneDx
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

In silico analysis indicates that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

not specified Uncertain:1
Jan 29, 2017
Genetic Services Laboratory, University of Chicago
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Inborn genetic diseases Uncertain:1
Nov 16, 2016
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The p.R911G variant (also known as c.2731C>G), located in coding exon 27 of the CC2D1A gene, results from a C to G substitution at nucleotide position 2731. The arginine at codon 911 is replaced by glycine, an amino acid with dissimilar properties. This variant was previously reported in the SNPDatabase as rs200848845. Based on data from the NHLBI Exome Sequencing Project (ESP), the G allele has an overall frequency of approximately 0.01% (1/12186) total alleles studied, having been observed in 0.03% (1/3922) African American alleles. This amino acid position is well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this variant remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.16
BayesDel_addAF
Benign
-0.24
T
BayesDel_noAF
Benign
-0.26
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.12
T;.
Eigen
Benign
0.053
Eigen_PC
Benign
0.056
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Benign
0.84
T;T
M_CAP
Benign
0.045
D
MetaRNN
Benign
0.12
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.1
M;.
PhyloP100
0.18
PrimateAI
Uncertain
0.58
T
PROVEAN
Uncertain
-2.5
N;.
REVEL
Benign
0.12
Sift
Uncertain
0.0020
D;.
Sift4G
Uncertain
0.0030
D;D
Polyphen
0.91
P;P
Vest4
0.49
MVP
0.31
MPC
0.77
ClinPred
0.22
T
GERP RS
2.7
Varity_R
0.31
gMVP
0.37
Mutation Taster
=80/20
polymorphism

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

Other links and lift over

dbSNP: rs200848845; hg19: chr19-14040911; API