Genetic Variant CCDC102B:p.Arg26Arg (chr18-68836841-C-T) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_024781.3(CCDC102B):c.78C>T(p.Arg26Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00375 in 1,613,896 control chromosomes in the GnomAD database, including 175 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.020 ( 102 hom., cov: 31)

Exomes 𝑓: 0.0020 ( 73 hom. )

Consequence

CCDC102B
NM_024781.3 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.318

Publications

1 publications found

Variant links:

Genes affected

CCDC102B (HGNC:26295): (coiled-coil domain containing 102B)

CCDC102B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

BP6

Variant 18-68836841-C-T is Benign according to our data. Variant chr18-68836841-C-T is described in ClinVar as Benign. ClinVar VariationId is 784380.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-0.318 with no splicing effect.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0673 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024781.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CCDC102B	NM_024781.3	MANE Select	c.78C>T	p.Arg26Arg	synonymous	Exon 2 of 8	NP_079057.3	Q68D86-1
	CCDC102B	NM_001093729.2		c.78C>T	p.Arg26Arg	synonymous	Exon 4 of 10	NP_001087198.2	Q68D86-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CCDC102B	ENST00000360242.9	TSL:1 MANE Select	c.78C>T	p.Arg26Arg	synonymous	Exon 2 of 8	ENSP00000353377.5	Q68D86-1
CCDC102B	ENST00000584156.5	TSL:1	c.78C>T	p.Arg26Arg	synonymous	Exon 1 of 6	ENSP00000463111.1	Q68D86-2
CCDC102B	ENST00000584775.5	TSL:1	c.78C>T	p.Arg26Arg	synonymous	Exon 4 of 7	ENSP00000463538.1	J3QLG6

Frequencies

GnomAD3 genomes

AF:

0.0201

AC:

3060

AN:

151988

Hom.:

102

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0695

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00858

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000387

Gnomad SAS

AF:

0.000415

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.000309

Gnomad OTH

AF:

0.0134

GnomAD2 exomes

AF:

0.00515

AC:

1284

AN:

249270

AF XY:

0.00404

show subpopulations

Gnomad AFR exome

AF:

0.0710

Gnomad AMR exome

AF:

0.00353

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000111

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000398

Gnomad OTH exome

AF:

0.00248

GnomAD4 exome

AF:

0.00205

AC:

2990

AN:

1461790

Hom.:

Cov.:

AF XY:

0.00176

AC XY:

1280

AN XY:

727196

show subpopulations

African (AFR)

AF:

0.0673

AC:

2254

AN:

33478

American (AMR)

AF:

0.00420

AC:

188

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0000504

AC:

AN:

39694

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.0000375

AC:

AN:

53404

Middle Eastern (MID)

AF:

0.00208

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.000232

AC:

258

AN:

1111948

Other (OTH)

AF:

0.00445

AC:

269

AN:

60388

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

184

368

551

735

919

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

152

228

304

380

<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:

0.0201

AC:

3064

AN:

152106

Hom.:

102

Cov.:

AF XY:

0.0197

AC XY:

1467

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.0694

AC:

2879

AN:

41480

American (AMR)

AF:

0.00857

AC:

131

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000388

AC:

AN:

5160

South Asian (SAS)

AF:

0.000416

AC:

AN:

4810

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10596

Middle Eastern (MID)

AF:

0.00340

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000309

AC:

AN:

67990

Other (OTH)

AF:

0.0132

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

148

296

445

593

741

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

120

150

<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:

0.00954

Hom.:

Bravo

AF:

0.0221

Asia WGS

AF:

0.00577

AC:

AN:

3478

EpiCase

AF:

0.000218

EpiControl

AF:

0.000356

ClinVar

ClinVar submissions

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

3.4

(source)

DANN

Benign

0.43

PhyloP100

-0.32

PromoterAI

0.0090

Neutral

(source)

Mutation Taster

=100/0

polymorphism (auto)

(source)

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

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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