rs755194747

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_030928.4(CDT1):​c.782G>A​(p.Gly261Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000031 in 1,613,016 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 0.000013 ( 0 hom., cov: 35)
Exomes 𝑓: 0.000033 ( 0 hom. )

Consequence

CDT1
NM_030928.4 missense

Scores

2
17

Clinical Significance

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

Conservation

PhyloP100: 1.87
Variant links:
Genes affected
CDT1 (HGNC:24576): (chromatin licensing and DNA replication factor 1) The protein encoded by this gene is involved in the formation of the pre-replication complex that is necessary for DNA replication. The encoded protein can bind geminin, which prevents replication and may function to prevent this protein from initiating replication at inappropriate origins. Phosphorylation of this protein by cyclin A-dependent kinases results in degradation of the protein. [provided by RefSeq, Mar 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.38437587).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CDT1NM_030928.4 linkuse as main transcriptc.782G>A p.Gly261Asp missense_variant 5/10 ENST00000301019.9 NP_112190.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CDT1ENST00000301019.9 linkuse as main transcriptc.782G>A p.Gly261Asp missense_variant 5/101 NM_030928.4 ENSP00000301019 P1
CDT1ENST00000569140.1 linkuse as main transcriptc.53G>A p.Gly18Asp missense_variant 1/53 ENSP00000456926
CDT1ENST00000562747.1 linkuse as main transcriptn.488G>A non_coding_transcript_exon_variant 4/52

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152218
Hom.:
0
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000160
AC:
4
AN:
249614
Hom.:
0
AF XY:
0.0000222
AC XY:
3
AN XY:
135432
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:
0.00
Gnomad NFE exome
AF:
0.0000356
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000329
AC:
48
AN:
1460798
Hom.:
0
Cov.:
69
AF XY:
0.0000317
AC XY:
23
AN XY:
726674
show subpopulations
Gnomad4 AFR exome
AF:
0.00
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:
0.00
Gnomad4 NFE exome
AF:
0.0000423
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152218
Hom.:
0
Cov.:
35
AF XY:
0.0000269
AC XY:
2
AN XY:
74374
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000450
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.00000825
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoApr 27, 2016- -
Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 25, 2024The c.782G>A (p.G261D) alteration is located in exon 5 (coding exon 5) of the CDT1 gene. This alteration results from a G to A substitution at nucleotide position 782, causing the glycine (G) at amino acid position 261 to be replaced by an aspartic acid (D). 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
Benign
0.15
BayesDel_addAF
Benign
-0.20
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
14
DANN
Uncertain
0.99
DEOGEN2
Benign
0.17
T
Eigen
Benign
-0.35
Eigen_PC
Benign
-0.49
FATHMM_MKL
Benign
0.52
D
LIST_S2
Benign
0.71
T
M_CAP
Benign
0.015
T
MetaRNN
Benign
0.38
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.1
M
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.29
T
PROVEAN
Benign
-2.4
N
REVEL
Benign
0.15
Sift
Benign
0.15
T
Sift4G
Benign
0.13
T
Polyphen
0.83
P
Vest4
0.42
MutPred
0.46
Loss of MoRF binding (P = 0.04);
MVP
0.58
MPC
0.022
ClinPred
0.51
D
GERP RS
3.9
Varity_R
0.15
gMVP
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs755194747; hg19: chr16-88872227; API