chr16-88804814-C-T

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_030928.4(CDT1):c.404C>T(p.Ala135Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000879 in 1,612,612 control chromosomes in the GnomAD database, including 10 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0042 ( 4 hom., cov: 33)

Exomes 𝑓: 0.00054 ( 6 hom. )

Consequence

CDT1
NM_030928.4 missense

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 3.30

Publications

5 publications found

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]

CDT1 Gene-Disease associations (from GenCC):

Meier-Gorlin syndrome 4
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P
Meier-Gorlin syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

CDT1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.007534325).

BP6

Variant 16-88804814-C-T is Benign according to our data. Variant chr16-88804814-C-T is described in ClinVar as Benign. ClinVar VariationId is 128676.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00416 (633/152314) while in subpopulation AFR AF = 0.0133 (551/41570). AF 95% confidence interval is 0.0123. There are 4 homozygotes in GnomAd4. There are 300 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 4 AD,AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_030928.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CDT1	NM_030928.4	MANE Select	c.404C>T	p.Ala135Val	missense	Exon 3 of 10	NP_112190.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
CDT1	ENST00000301019.9	TSL:1 MANE Select	c.404C>T	p.Ala135Val	missense	Exon 3 of 10	ENSP00000301019.4
CDT1	ENST00000929785.1		c.404C>T	p.Ala135Val	missense	Exon 3 of 10	ENSP00000599844.1
CDT1	ENST00000562747.1	TSL:2	n.110C>T		non_coding_transcript_exon	Exon 2 of 5

Frequencies

GnomAD3 genomes

AF:

0.00415

AC:

631

AN:

152196

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0132

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00412

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:

0.000176

Gnomad OTH

AF:

0.00335

GnomAD2 exomes

AF:

0.00115

AC:

285

AN:

247956

AF XY:

0.000882

show subpopulations

Gnomad AFR exome

AF:

0.0133

Gnomad AMR exome

AF:

0.00122

Gnomad ASJ exome

AF:

0.000101

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000224

Gnomad OTH exome

AF:

0.00116

GnomAD4 exome

AF:

0.000537

AC:

784

AN:

1460298

Hom.:

Cov.:

AF XY:

0.000486

AC XY:

353

AN XY:

726488

show subpopulations

African (AFR)

AF:

0.0129

AC:

431

AN:

33472

American (AMR)

AF:

0.00161

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.0000383

AC:

AN:

26118

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.0000232

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52118

Middle Eastern (MID)

AF:

0.00121

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000156

AC:

174

AN:

1111834

Other (OTH)

AF:

0.00161

AC:

AN:

60336

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.471

Heterozygous variant carriers

109

163

218

272

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00416

AC:

633

AN:

152314

Hom.:

Cov.:

AF XY:

0.00403

AC XY:

300

AN XY:

74470

show subpopulations

African (AFR)

AF:

0.0133

AC:

551

AN:

41570

American (AMR)

AF:

0.00412

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5174

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000176

AC:

AN:

68012

Other (OTH)

AF:

0.00331

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.491

Heterozygous variant carriers

125

156

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00120

Hom.:

Bravo

AF:

0.00465

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000519

AC:

ESP6500AA

AF:

0.0116

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00119

AC:

144

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.000327

EpiControl

AF:

0.000356

ClinVar

ClinVar submissions as Germline

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.094

BayesDel_addAF

Benign

-0.54

BayesDel_noAF

Benign

-0.53

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.070

Eigen

Benign

-0.71

Eigen_PC

Benign

-0.80

FATHMM_MKL

Benign

0.051

LIST_S2

Benign

0.56

MetaRNN

Benign

0.0075

MetaSVM

Benign

-0.95

MutationAssessor

Benign

1.6

PhyloP100

3.3

PrimateAI

Uncertain

0.52

PROVEAN

Benign

-1.3

REVEL

Benign

0.092

Sift

Benign

0.030

Sift4G

Benign

0.17

Polyphen

0.54

Vest4

0.41

MVP

0.88

MPC

0.036

ClinPred

0.026

GERP RS

3.3

Varity_R

0.043

gMVP

0.35

Mutation Taster

=97/3

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.19

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over