4-1212284-C-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001012614.2(CTBP1):​c.1246G>A​(p.Val416Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000843 in 1,008,162 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000085 ( 0 hom. )

Consequence

CTBP1
NM_001012614.2 missense

Scores

1
2
16

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 1.53
Variant links:
Genes affected
CTBP1 (HGNC:2494): (C-terminal binding protein 1) This gene encodes a protein that binds to the C-terminus of adenovirus E1A proteins. This phosphoprotein is a transcriptional repressor and may play a role during cellular proliferation. This protein and the product of a second closely related gene, CTBP2, can dimerize. Both proteins can also interact with a polycomb group protein complex which participates in regulation of gene expression during development. Alternative splicing of transcripts from this gene results in multiple transcript variants. [provided by RefSeq, Jul 2008]
CTBP1-AS (HGNC:48337): (CTBP1 antisense RNA)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.073963225).
BS2
High AC in GnomAd4 at 11 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CTBP1NM_001012614.2 linkuse as main transcriptc.1246G>A p.Val416Ile missense_variant 10/10 ENST00000382952.8 NP_001012632.1
CTBP1-ASNR_104331.1 linkuse as main transcriptn.757C>T non_coding_transcript_exon_variant 3/6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CTBP1ENST00000382952.8 linkuse as main transcriptc.1246G>A p.Val416Ile missense_variant 10/101 NM_001012614.2 ENSP00000372411 A1Q13363-2
CTBP1-ASENST00000625256.1 linkuse as main transcriptn.757C>T non_coding_transcript_exon_variant 3/61

Frequencies

GnomAD3 genomes
AF:
0.0000787
AC:
11
AN:
139784
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000256
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000698
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000253
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000125
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000852
AC:
74
AN:
868378
Hom.:
0
Cov.:
36
AF XY:
0.0000695
AC XY:
30
AN XY:
431820
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000170
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00159
Gnomad4 SAS exome
AF:
0.0000292
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000726
Gnomad4 OTH exome
AF:
0.0000635
GnomAD4 genome
AF:
0.0000787
AC:
11
AN:
139784
Hom.:
0
Cov.:
32
AF XY:
0.0000739
AC XY:
5
AN XY:
67614
show subpopulations
Gnomad4 AFR
AF:
0.0000256
Gnomad4 AMR
AF:
0.0000698
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000253
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000125
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000473
Hom.:
0
ExAC
AF:
0.0000168
AC:
2

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Hypotonia, ataxia, developmental delay, and tooth enamel defect syndrome Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityOct 02, 2020- -
not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenNov 01, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.071
BayesDel_addAF
Benign
-0.092
T
BayesDel_noAF
Benign
-0.37
CADD
Uncertain
25
DANN
Benign
0.93
DEOGEN2
Benign
0.35
.;T
Eigen
Benign
-0.99
Eigen_PC
Benign
-0.93
FATHMM_MKL
Benign
0.44
N
LIST_S2
Uncertain
0.92
D;D
M_CAP
Pathogenic
0.35
D
MetaRNN
Benign
0.074
T;T
MetaSVM
Benign
-0.83
T
MutationAssessor
Benign
0.0
.;N
MutationTaster
Benign
1.0
N;N
PrimateAI
Uncertain
0.70
T
PROVEAN
Benign
-0.28
N;N
REVEL
Benign
0.26
Sift
Benign
0.37
T;T
Sift4G
Benign
0.44
T;T
Polyphen
0.0050
.;B
Vest4
0.18
MutPred
0.090
.;Loss of methylation at K428 (P = 0.114);
MVP
0.29
MPC
0.38
ClinPred
0.025
T
GERP RS
0.94
Varity_R
0.034
gMVP
0.24

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs748609943; hg19: chr4-1206072; COSMIC: COSV99337591; COSMIC: COSV99337591; API