Genetic Variant CCDC148:p.Arg489Trp (chr2-158178902-G-A) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_138803.4(CCDC148):c.1465C>T(p.Arg489Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000353 in 1,612,984 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

CCDC148
NM_138803.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.08

Publications

2 publications found

Variant links:

Genes affected

CCDC148 (HGNC:25191): (coiled-coil domain containing 148)

CCDC148 links:

CCDC148-AS1 (HGNC:44134): (CCDC148 antisense RNA 1)

CCDC148-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.789

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_138803.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
CCDC148	NM_138803.4	MANE Select	c.1465C>T	p.Arg489Trp	missense	Exon 12 of 14	NP_620158.3
CCDC148	NM_001301684.2		c.1027C>T	p.Arg343Trp	missense	Exon 10 of 12	NP_001288613.1
CCDC148-AS1	NR_038850.1		n.221+790G>A		intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CCDC148	ENST00000283233.10	TSL:1 MANE Select	c.1465C>T	p.Arg489Trp	missense	Exon 12 of 14	ENSP00000283233.5	Q8NFR7-1
CCDC148	ENST00000448656.5	TSL:1	n.*1056C>T		non_coding_transcript_exon	Exon 10 of 12	ENSP00000415540.1	F8WCV9
CCDC148	ENST00000448656.5	TSL:1	n.*1056C>T		3_prime_UTR	Exon 10 of 12	ENSP00000415540.1	F8WCV9

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

151974

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000725

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

GnomAD2 exomes

AF:

0.0000359

AC:

AN:

250820

AF XY:

0.0000221

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000174

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000356

AC:

AN:

1461010

Hom.:

Cov.:

AF XY:

0.0000399

AC XY:

AN XY:

726804

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33450

American (AMR)

AF:

0.000179

AC:

AN:

44698

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26112

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39642

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86190

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53362

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.0000315

AC:

AN:

1111456

Other (OTH)

AF:

0.0000497

AC:

AN:

60338

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome 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

GnomAD4 genome

AF:

0.0000329

AC:

AN:

151974

Hom.:

Cov.:

AF XY:

0.0000270

AC XY:

AN XY:

74200

show subpopulations

African (AFR)

AF:

0.0000725

AC:

AN:

41372

American (AMR)

AF:

0.00

AC:

AN:

15232

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10576

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68010

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

Heterozygous variant carriers

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:

0.0000865

Hom.:

Bravo

AF:

0.0000378

ExAC

AF:

0.0000412

AC:

EpiCase

AF:

0.0000546

EpiControl

AF:

0.00

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Benign

-0.14

BayesDel_noAF

Benign

-0.17

CADD

Uncertain

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.24

Eigen

Uncertain

0.31

Eigen_PC

Uncertain

0.29

FATHMM_MKL

Benign

0.73

LIST_S2

Uncertain

0.93

M_CAP

Benign

0.037

MetaRNN

Pathogenic

0.79

MetaSVM

Benign

-0.97

MutationAssessor

Uncertain

2.7

PhyloP100

2.1

PrimateAI

Benign

0.43

PROVEAN

Pathogenic

-4.9

REVEL

Benign

0.24

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.014

Polyphen

1.0

Vest4

0.75

MVP

0.44

MPC

0.076

ClinPred

0.88

GERP RS

3.7

Varity_R

0.18

gMVP

0.43

Mutation Taster

=91/9

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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