Genetic Variant NM_174923.3:c.154C>T (chr9-35658623-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_174923.3(CCDC107):c.154C>T(p.Pro52Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000884 in 1,572,966 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000093 ( 0 hom. )

Consequence

CCDC107
NM_174923.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0390

Publications

0 publications found

Variant links:

Genes affected

CCDC107 (HGNC:28465): (coiled-coil domain containing 107) This gene encodes a membrane protein which contains a coiled-coil domain in the central region. Multiple alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2013]

CCDC107 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.04904872).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CCDC107	NM_174923.3 link	c.154C>T	p.Pro52Ser	missense_variant	Exon 2 of 5	ENST00000426546.7	NP_777583.2	Q8WV48-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CCDC107	ENST00000426546.7 link	c.154C>T	p.Pro52Ser	missense_variant	Exon 2 of 5	1	NM_174923.3	ENSP00000414964.2		Q8WV48-1

Frequencies

GnomAD3 genomes

AF:

0.0000460

AC:

AN:

152190

Hom.:

Cov.:

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:

0.000103

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000486

AC:

AN:

205622

AF XY:

0.0000346

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000122

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000433

Gnomad OTH exome

AF:

0.000387

GnomAD4 exome

AF:

0.0000929

AC:

132

AN:

1420776

Hom.:

Cov.:

AF XY:

0.0000833

AC XY:

AN XY:

708034

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31354

American (AMR)

AF:

0.000137

AC:

AN:

43886

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25442

East Asian (EAS)

AF:

0.00

AC:

AN:

37078

South Asian (SAS)

AF:

0.00

AC:

AN:

85102

European-Finnish (FIN)

AF:

0.00

AC:

AN:

39114

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4126

European-Non Finnish (NFE)

AF:

0.000110

AC:

120

AN:

1095612

Other (OTH)

AF:

0.000102

AC:

AN:

59062

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.650

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000460

AC:

AN:

152190

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74352

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41440

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000103

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000126

Hom.:

Bravo

AF:

0.0000491

ExAC

AF:

0.0000420

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 01, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.154C>T (p.P52S) alteration is located in exon 2 (coding exon 2) of the CCDC107 gene. This alteration results from a C to T substitution at nucleotide position 154, causing the proline (P) at amino acid position 52 to be replaced by a serine (S). 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

0.097

BayesDel_addAF

Benign

-0.42

BayesDel_noAF

Benign

-0.58

CADD

Benign

9.0

(source)

DANN

Benign

0.80

DEOGEN2

Benign

0.071

.;.;T;T;.;.

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.049

LIST_S2

Benign

0.65

T;T;T;T;T;T

M_CAP

Benign

0.011

MetaRNN

Benign

0.049

T;T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.52

N;N;.;N;N;N

PhyloP100

-0.039

PrimateAI

Benign

0.44

PROVEAN

Uncertain

-3.0

D;D;D;D;D;D

REVEL

Benign

0.030

Sift

Benign

0.28

T;T;T;T;T;T

Sift4G

Benign

0.27

T;T;T;T;T;T

Polyphen

0.035, 0.019

.;.;.;B;B;B

Vest4

0.15

MutPred

0.50

Gain of phosphorylation at P52 (P = 0.0011);Gain of phosphorylation at P52 (P = 0.0011);Gain of phosphorylation at P52 (P = 0.0011);Gain of phosphorylation at P52 (P = 0.0011);Gain of phosphorylation at P52 (P = 0.0011);Gain of phosphorylation at P52 (P = 0.0011);

MVP

0.088

MPC

0.88

ClinPred

0.031

GERP RS

-1.6

PromoterAI

-0.020

Neutral

(source)

Varity_R

0.052

gMVP

0.30

Mutation Taster

=100/0

polymorphism

(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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NM_174923.3:c.154C>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over